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Core Data from the Deep Sea Drilling Project


Leg : 82    Depth to Top of Core(m):   405.00    Piece: 6
Hole: 558   Top/Bottom Interval(mm):  460/ 480
Core:  27   Sample Depth:   408.47
Sect:  3    Analyst Name: Puchelt, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  49.32    Al2O3:  14.56    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.74    FeO       :   5.32
MgO     :  10.16    CaO  :  10.84    Na2O      :   2.48
K2O     :   0.38    TiO2 :   1.20    MnO       :   0.16
P2O5    :   0.13    LOI  :           H2O+      :   1.20
H2O-    :           CO2  :   0.21    SO3       :
S       : -0.010    Total: 100.70    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   405.00    Piece: 7
Hole: 558   Top/Bottom Interval(mm):  690/ 720
Core:  27   Sample Depth:   408.71
Sect:  3    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.90    Al2O3:  14.40    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.73    FeO       :   5.86
MgO     :   9.45    CaO  :  10.48    Na2O      :   2.16
K2O     :   0.29    TiO2 :   1.22    MnO       :   0.15
P2O5    :   0.13    LOI  :           H2O+      :   1.35
H2O-    :           CO2  :   0.04    SO3       :
S       :           Total:  99.15    Magnesium#:  0.675

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   405.00    Piece: 8
Hole: 558   Top/Bottom Interval(mm):  740/ 770
Core:  27   Sample Depth:   408.76
Sect:  3    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.23    Al2O3:  13.98    Fe2O3(tot):  10.82
FeO(tot):           Fe2O3:           FeO       :
MgO     :   9.78    CaO  :  10.46    Na2O      :   1.89
K2O     :   0.18    TiO2 :   1.21    MnO       :   0.16
P2O5    :   0.14    LOI  :   0.87    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.72    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   405.00    Piece: 9
Hole: 558   Top/Bottom Interval(mm):  920/ 950
Core:  27   Sample Depth:   408.94
Sect:  3    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  49.58    Al2O3:  14.43    Fe2O3(tot):  10.41
FeO(tot):           Fe2O3:           FeO       :
MgO     :   9.38    CaO  :  10.35    Na2O      :   2.27
K2O     :   0.39    TiO2 :   1.22    MnO       :   0.15
P2O5    :   0.13    LOI  :   2.11    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.42    Magnesium#:   0.67

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   405.00    Piece: 11A
Hole: 558   Top/Bottom Interval(mm): 1120/1140
Core:  27   Sample Depth:   409.13
Sect:  3    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.60    Al2O3:  14.64    Fe2O3(tot):  10.32
FeO(tot):   9.29    Fe2O3:           FeO       :
MgO     :   9.53    CaO  :  10.62    Na2O      :   2.21
K2O     :   0.26    TiO2 :   1.25    MnO       :   0.15
P2O5    :   0.15    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.72    Magnesium#:   0.67

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   405.00    Piece: 11B
Hole: 558   Top/Bottom Interval(mm): 1160/1180
Core:  27   Sample Depth:   409.17
Sect:  3    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.10    Al2O3:  14.20    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.69    FeO       :   5.46
MgO     :  10.58    CaO  :  10.65    Na2O      :   2.17
K2O     :   0.34    TiO2 :   1.22    MnO       :   0.16
P2O5    :   0.13    LOI  :           H2O+      :   0.97
H2O-    :           CO2  :   0.50    SO3       :
S       :           Total: 100.19    Magnesium#:  0.689

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 3
Hole: 558   Top/Bottom Interval(mm):  380/ 410
Core:  28   Sample Depth:   414.90
Sect:  1    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.86    Al2O3:  15.01    Fe2O3(tot):  10.10
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.01    CaO  :  11.85    Na2O      :   2.15
K2O     :   0.31    TiO2 :   1.08    MnO       :   0.15
P2O5    :   0.11    LOI  :   1.60    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.23    Magnesium#:   0.64

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 4
Hole: 558   Top/Bottom Interval(mm):  460/ 470
Core:  28   Sample Depth:   414.97
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
Moderate      IGNEOUS      BASALT GLASS

SiO2    :  51.80    Al2O3:  15.20    Fe2O3(tot):
FeO(tot):   9.14    Fe2O3:           FeO       :
MgO     :   8.44    CaO  :  12.00    Na2O      :   2.34
K2O     :   0.07    TiO2 :   1.08    MnO       :   0.15
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.22    Magnesium#:  0.654

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 5
Hole: 558   Top/Bottom Interval(mm):  550/ 580
Core:  28   Sample Depth:   415.07
Sect:  1    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  51.09    Al2O3:  15.82    Fe2O3(tot):   8.80
FeO(tot):   7.92    Fe2O3:           FeO       :
MgO     :   8.26    CaO  :  12.40    Na2O      :   2.15
K2O     :   0.17    TiO2 :   1.16    MnO       :   0.16
P2O5    :   0.12    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.14    Magnesium#:   0.67

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 8
Hole: 558   Top/Bottom Interval(mm):  790/ 810
Core:  28   Sample Depth:   415.30
Sect:  1    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.49    Al2O3:  15.14    Fe2O3(tot):   9.85
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.51    CaO  :  12.03    Na2O      :   2.24
K2O     :   0.29    TiO2 :   1.08    MnO       :   0.15
P2O5    :   0.10    LOI  :   2.39    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.27    Magnesium#:   0.63

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 9
Hole: 558   Top/Bottom Interval(mm):  910/ 940
Core:  28   Sample Depth:   415.43
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.46    Al2O3:  15.00    Fe2O3(tot):  10.12
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.44    CaO  :  12.16    Na2O      :   1.76
K2O     :   0.21    TiO2 :   1.11    MnO       :   0.15
P2O5    :   0.12    LOI  :   0.97    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.50    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 1
Hole: 558   Top/Bottom Interval(mm):   60/  80
Core:  28   Sample Depth:   416.07
Sect:  2    Analyst Name: Puchelt, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.57    Al2O3:  15.42    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.62    FeO       :   5.20
MgO     :   7.31    CaO  :  12.86    Na2O      :   2.39
K2O     :   0.34    TiO2 :   1.16    MnO       :   0.15
P2O5    :   0.10    LOI  :           H2O+      :   0.96
H2O-    :           CO2  :   0.54    SO3       :
S       : -0.010    Total: 100.62    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 7
Hole: 558   Top/Bottom Interval(mm):  520/ 550
Core:  28   Sample Depth:   416.54
Sect:  2    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.60    Al2O3:  15.14    Fe2O3(tot):  10.42
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.91    CaO  :  12.16    Na2O      :   2.15
K2O     :   0.25    TiO2 :   1.09    MnO       :   0.16
P2O5    :   0.11    LOI  :   1.49    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.48    Magnesium#:   0.63

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 10
Hole: 558   Top/Bottom Interval(mm):  800/ 830
Core:  28   Sample Depth:   416.82
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYSIC BASALT

SiO2    :  50.00    Al2O3:  15.00    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.80    FeO       :   5.36
MgO     :   7.87    CaO  :  11.69    Na2O      :   2.01
K2O     :   0.35    TiO2 :   1.12    MnO       :   0.17
P2O5    :   0.09    LOI  :           H2O+      :   0.45
H2O-    :           CO2  :   0.08    SO3       :
S       :           Total:  98.97    Magnesium#:  0.622

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 12
Hole: 558   Top/Bottom Interval(mm): 1000/1020
Core:  28   Sample Depth:   417.01
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.40    Al2O3:  15.40    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.69    FeO       :   4.56
MgO     :   8.17    CaO  :  12.23    Na2O      :   2.07
K2O     :   0.21    TiO2 :   1.14    MnO       :   0.16
P2O5    :   0.10    LOI  :           H2O+      :   0.49
H2O-    :           CO2  :   0.20    SO3       :
S       :           Total:  99.78    Magnesium#:  0.653

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 15
Hole: 558   Top/Bottom Interval(mm): 1210/1250
Core:  28   Sample Depth:   417.23
Sect:  2    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.67    Al2O3:  15.05    Fe2O3(tot):   9.42
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.17    CaO  :  12.16    Na2O      :   1.70
K2O     :   0.11    TiO2 :   1.12    MnO       :   0.16
P2O5    :   0.13    LOI  :   0.65    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.34    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 4
Hole: 558   Top/Bottom Interval(mm):  360/ 380
Core:  28   Sample Depth:   417.87
Sect:  3    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.20    Al2O3:  15.05    Fe2O3(tot):   9.52
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.43    CaO  :  11.76    Na2O      :   2.21
K2O     :   0.24    TiO2 :   1.08    MnO       :   0.15
P2O5    :   0.10    LOI  :   2.35    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.09    Magnesium#:   0.64

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 7
Hole: 558   Top/Bottom Interval(mm):  600/ 640
Core:  28   Sample Depth:   418.12
Sect:  3    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC TO OL SPARSELY PHYRIC BASALT

SiO2    :  50.07    Al2O3:  14.87    Fe2O3(tot):  10.43
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.27    CaO  :  12.05    Na2O      :   1.82
K2O     :   0.21    TiO2 :   1.10    MnO       :   0.15
P2O5    :   0.10    LOI  :   1.09    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.16    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   414.50    Piece: 19
Hole: 558   Top/Bottom Interval(mm): 1180/1200
Core:  28   Sample Depth:   418.69
Sect:  3    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.90    Al2O3:  15.10    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.66    FeO       :   6.06
MgO     :   7.86    CaO  :  11.89    Na2O      :   1.96
K2O     :   0.22    TiO2 :   1.10    MnO       :   0.16
P2O5    :   0.10    LOI  :           H2O+      :   0.99
H2O-    :           CO2  :   0.10    SO3       :
S       :           Total:  99.12    Magnesium#:  0.630

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   423.50    Piece: 5B
Hole: 558   Top/Bottom Interval(mm):  630/ 650
Core:  29   Sample Depth:   424.14
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.80    Al2O3:  14.70    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.10    FeO       :   7.54
MgO     :   8.79    CaO  :  11.10    Na2O      :   2.21
K2O     :   0.33    TiO2 :   1.42    MnO       :   0.17
P2O5    :   0.19    LOI  :           H2O+      :   0.60
H2O-    :           CO2  :   0.08    SO3       :
S       :           Total: 100.02    Magnesium#:  0.653

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is Initial Reports.
Sample (or sample split) was analyzed more than once, e.g., both onboard
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   423.50    Piece: 5B
Hole: 558   Top/Bottom Interval(mm):  630/ 650
Core:  29   Sample Depth:   424.14
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
Slight        IGNEOUS      BASALT GLASS

SiO2    :  51.80    Al2O3:  15.02    Fe2O3(tot):
FeO(tot):   9.07    Fe2O3:           FeO       :
MgO     :   8.57    CaO  :  11.11    Na2O      :   2.41
K2O     :   0.32    TiO2 :   1.06    MnO       :   0.19
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.54    Magnesium#:  0.660

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
Sample (or sample split) was analyzed more than once, e.g., both onboard
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   423.50    Piece: 7B
Hole: 558   Top/Bottom Interval(mm):  990/1010
Core:  29   Sample Depth:   424.50
Sect:  1    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.58    Al2O3:  14.63    Fe2O3(tot):   9.40
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.78    CaO  :  10.97    Na2O      :   2.39
K2O     :   0.47    TiO2 :   1.37    MnO       :   0.13
P2O5    :   0.19    LOI  :   3.64    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.55    Magnesium#:   0.65

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   423.50    Piece: 7D
Hole: 558   Top/Bottom Interval(mm): 1200/1250
Core:  29   Sample Depth:   424.73
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  51.23    Al2O3:  14.49    Fe2O3(tot):   9.94
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.54    CaO  :  11.21    Na2O      :   2.01
K2O     :   0.42    TiO2 :   1.40    MnO       :   0.14
P2O5    :   0.19    LOI  :   1.80    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.37    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   423.50    Piece: 2
Hole: 558   Top/Bottom Interval(mm):   60/  80
Core:  29   Sample Depth:   425.07
Sect:  2    Analyst Name: Puchelt, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.02    Al2O3:  14.77    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.17    FeO       :   7.53
MgO     :   8.62    CaO  :  11.65    Na2O      :   2.30
K2O     :   0.38    TiO2 :   1.38    MnO       :   0.16
P2O5    :   0.18    LOI  :           H2O+      :   0.89
H2O-    :           CO2  :   0.59    SO3       :
S       : 0.1020    Total: 100.64    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   423.50    Piece: 16A
Hole: 558   Top/Bottom Interval(mm): 1100/1130
Core:  29   Sample Depth:   426.12
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.80    Al2O3:  14.50    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.72    FeO       :   6.92
MgO     :   8.63    CaO  :  11.16    Na2O      :   2.17
K2O     :   0.36    TiO2 :   1.40    MnO       :   0.17
P2O5    :   0.18    LOI  :           H2O+      :   0.79
H2O-    :           CO2  :   0.21    SO3       :
S       :           Total:  99.03    Magnesium#:  0.651

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   423.50    Piece: 11
Hole: 558   Top/Bottom Interval(mm): 1100/1120
Core:  29   Sample Depth:   427.61
Sect:  3    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.40    Al2O3:  14.80    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.72    FeO       :   6.87
MgO     :   8.51    CaO  :  11.26    Na2O      :   2.23
K2O     :   0.36    TiO2 :   1.44    MnO       :   0.16
P2O5    :   0.18    LOI  :           H2O+      :   0.86
H2O-    :           CO2  :   0.18    SO3       :
S       :           Total: 100.01    Magnesium#:  0.649

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   423.50    Piece: 6
Hole: 558   Top/Bottom Interval(mm):  710/ 760
Core:  29   Sample Depth:   428.74
Sect:  4    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.01    Al2O3:  14.58    Fe2O3(tot):  10.19
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.94    CaO  :  11.33    Na2O      :   1.95
K2O     :   0.38    TiO2 :   1.39    MnO       :   0.15
P2O5    :   0.21    LOI  :   1.70    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.83    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   423.50    Piece: 6
Hole: 558   Top/Bottom Interval(mm):  830/ 850
Core:  29   Sample Depth:   428.84
Sect:  4    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.20    Al2O3:  14.30    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.50    FeO       :   4.52
MgO     :   7.64    CaO  :  11.82    Na2O      :   2.12
K2O     :   0.65    TiO2 :   1.35    MnO       :   0.14
P2O5    :   0.18    LOI  :           H2O+      :   1.81
H2O-    :           CO2  :   0.86    SO3       :
S       :           Total:  99.06    Magnesium#:  0.620

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   432.50    Piece: 8A
Hole: 558   Top/Bottom Interval(mm):  600/ 640
Core:  30   Sample Depth:   433.12
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.24    Al2O3:  14.32    Fe2O3(tot):  10.46
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.65    CaO  :  11.29    Na2O      :   1.85
K2O     :   0.26    TiO2 :   1.39    MnO       :   0.18
P2O5    :   0.18    LOI  :   0.12    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  98.94    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   432.50    Piece: 9C
Hole: 558   Top/Bottom Interval(mm):  950/ 970
Core:  30   Sample Depth:   433.46
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.80    Al2O3:  14.80    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.69    FeO       :   6.05
MgO     :   8.10    CaO  :  11.24    Na2O      :   2.27
K2O     :   0.43    TiO2 :   1.44    MnO       :   0.16
P2O5    :   0.18    LOI  :           H2O+      :   1.16
H2O-    :           CO2  :   0.45    SO3       :
S       :           Total:  98.73    Magnesium#:  0.636

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   432.50    Piece: 9E
Hole: 558   Top/Bottom Interval(mm): 1150/1180
Core:  30   Sample Depth:   433.67
Sect:  1    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.32    Al2O3:  15.16    Fe2O3(tot):  10.46
FeO(tot):   9.41    Fe2O3:           FeO       :
MgO     :   8.17    CaO  :  11.58    Na2O      :   2.30
K2O     :   0.46    TiO2 :   1.45    MnO       :   0.15
P2O5    :   0.21    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.27    Magnesium#:   0.63

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   432.50    Piece: 2
Hole: 558   Top/Bottom Interval(mm):  120/ 140
Core:  30   Sample Depth:   435.63
Sect:  3    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      GLASS/CALCITE BRECCIA

SiO2    :  49.21    Al2O3:  14.65    Fe2O3(tot):   9.94
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.90    CaO  :  10.94    Na2O      :   2.35
K2O     :   0.49    TiO2 :   1.38    MnO       :   0.14
P2O5    :   0.19    LOI  :   3.14    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.33    Magnesium#:   0.64

Comments: APHYRIC PILLOW BASALT GLASS
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   432.50    Piece: 10B
Hole: 558   Top/Bottom Interval(mm):  940/ 960
Core:  30   Sample Depth:   436.45
Sect:  3    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.90    Al2O3:  14.80    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.77    FeO       :   4.43
MgO     :   7.95    CaO  :  11.11    Na2O      :   2.36
K2O     :   0.44    TiO2 :   1.44    MnO       :   0.15
P2O5    :   0.19    LOI  :           H2O+      :   1.16
H2O-    :           CO2  :   0.07    SO3       :
S       :           Total:  98.73    Magnesium#:  0.648

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   432.50    Piece: 10B
Hole: 558   Top/Bottom Interval(mm):  990/1030
Core:  30   Sample Depth:   436.51
Sect:  3    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.46    Al2O3:  14.60    Fe2O3(tot):  10.18
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.17    CaO  :  11.41    Na2O      :   2.08
K2O     :   0.33    TiO2 :   1.41    MnO       :   0.15
P2O5    :   0.19    LOI  :   1.63    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.61    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   432.50    Piece: 1
Hole: 558   Top/Bottom Interval(mm):   20/  40
Core:  30   Sample Depth:   437.03
Sect:  4    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  50.40    Al2O3:  14.50    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.03    FeO       :   5.69
MgO     :   8.83    CaO  :  11.28    Na2O      :   2.28
K2O     :   0.31    TiO2 :   1.42    MnO       :   0.16
P2O5    :   0.18    LOI  :           H2O+      :   0.63
H2O-    :           CO2  :   0.39    SO3       :
S       :           Total: 100.10    Magnesium#:  0.657

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   432.50    Piece: 2
Hole: 558   Top/Bottom Interval(mm):   70/  90
Core:  30   Sample Depth:   437.08
Sect:  4    Analyst Name: Schmincke, H.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
Slight        IGNEOUS      BASALT GLASS

SiO2    :  51.20    Al2O3:  14.84    Fe2O3(tot):
FeO(tot):   8.99    Fe2O3:           FeO       :
MgO     :   8.99    CaO  :  11.11    Na2O      :   2.51
K2O     :   0.31    TiO2 :   1.39    MnO       :   0.14
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.08    Magnesium#:  0.672

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   432.50    Piece: 4B
Hole: 558   Top/Bottom Interval(mm):  410/ 430
Core:  30   Sample Depth:   437.42
Sect:  4    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  49.40    Al2O3:  14.50    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.15    FeO       :   4.45
MgO     :   8.54    CaO  :  10.98    Na2O      :   2.31
K2O     :   0.36    TiO2 :   1.42    MnO       :   0.15
P2O5    :   0.19    LOI  :           H2O+      :   1.11
H2O-    :           CO2  :   0.07    SO3       :
S       :           Total:  98.64    Magnesium#:  0.655

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   432.50    Piece: 4C
Hole: 558   Top/Bottom Interval(mm):  550/ 590
Core:  30   Sample Depth:   437.57
Sect:  4    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.83    Al2O3:  14.56    Fe2O3(tot):   9.92
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.67    CaO  :  11.33    Na2O      :   1.99
K2O     :   0.23    TiO2 :   1.40    MnO       :   0.14
P2O5    :   0.20    LOI  :   1.44    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.71    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   441.50    Piece: 5C
Hole: 558   Top/Bottom Interval(mm):  620/ 640
Core:  31   Sample Depth:   442.13
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.35    Al2O3:  14.40    Fe2O3(tot):  10.29
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.20    CaO  :  11.21    Na2O      :   2.08
K2O     :   0.29    TiO2 :   1.37    MnO       :   0.15
P2O5    :   0.19    LOI  :   1.40    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.93    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   441.50    Piece: 50
Hole: 558   Top/Bottom Interval(mm):  790/ 820
Core:  31   Sample Depth:   442.31
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.90    Al2O3:  14.20    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.85    FeO       :   4.78
MgO     :   8.27    CaO  :  11.36    Na2O      :   2.17
K2O     :   0.45    TiO2 :   1.34    MnO       :   0.14
P2O5    :   0.18    LOI  :           H2O+      :   1.81
H2O-    :           CO2  :   0.61    SO3       :
S       :           Total:  99.09    Magnesium#:  0.647

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   441.50    Piece: 5D
Hole: 558   Top/Bottom Interval(mm):  860/ 890
Core:  31   Sample Depth:   442.38
Sect:  1    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.10    Al2O3:  14.75    Fe2O3(tot):   9.33
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.78    CaO  :  11.11    Na2O      :   2.36
K2O     :   0.29    TiO2 :   1.38    MnO       :   0.14
P2O5    :   0.19    LOI  :   3.02    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.45    Magnesium#:   0.65

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   441.50    Piece: 6
Hole: 558   Top/Bottom Interval(mm): 1180/1200
Core:  31   Sample Depth:   442.69
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.20    Al2O3:  14.50    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.28    FeO       :   7.31
MgO     :   8.73    CaO  :  11.06    Na2O      :   2.18
K2O     :   0.33    TiO2 :   1.41    MnO       :   0.17
P2O5    :   0.18    LOI  :           H2O+      :   0.68
H2O-    :           CO2  :   0.14    SO3       :
S       :           Total:  99.18    Magnesium#:  0.654

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is Initial Reports.
Sample (or sample split) was analyzed more than once, e.g., both onboard
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   441.50    Piece: 6
Hole: 558   Top/Bottom Interval(mm): 1180/1200
Core:  31   Sample Depth:   442.69
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
Slight        IGNEOUS      BASALT GLASS

SiO2    :  51.70    Al2O3:  14.91    Fe2O3(tot):
FeO(tot):   9.12    Fe2O3:           FeO       :
MgO     :   8.67    CaO  :  11.18    Na2O      :   2.57
K2O     :   0.32    TiO2 :   1.42    MnO       :   0.17
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.07    Magnesium#:  0.661

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
Sample (or sample split) was analyzed more than once, e.g., both onboard
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   441.50    Piece: 9
Hole: 558   Top/Bottom Interval(mm): 1280/1300
Core:  31   Sample Depth:   444.29
Sect:  2    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.61    Al2O3:  14.45    Fe2O3(tot):  10.08
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.41    CaO  :  11.29    Na2O      :   2.04
K2O     :   0.28    TiO2 :   1.39    MnO       :   0.15
P2O5    :   0.19    LOI  :   1.29    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.18    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 4
Hole: 558   Top/Bottom Interval(mm):  410/ 440
Core:  32   Sample Depth:   450.93
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APYRIC BASALT

SiO2    :  50.80    Al2O3:  14.70    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.08    FeO       :   7.51
MgO     :   8.87    CaO  :  11.07    Na2O      :   2.29
K2O     :   0.31    TiO2 :   1.43    MnO       :   0.17
P2O5    :   0.19    LOI  :           H2O+      :   0.63
H2O-    :           CO2  :   0.08    SO3       :
S       :           Total: 100.09    Magnesium#:  0.657

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is Initial Reports.
Sample (or sample split) was analyzed more than once, e.g., both onboard
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 4
Hole: 558   Top/Bottom Interval(mm):  410/ 440
Core:  32   Sample Depth:   450.93
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
Moderate      IGNEOUS      BASALT GLASS

SiO2    :  51.90    Al2O3:  14.93    Fe2O3(tot):
FeO(tot):   9.04    Fe2O3:           FeO       :
MgO     :   8.66    CaO  :  11.07    Na2O      :   2.60
K2O     :   0.31    TiO2 :   1.37    MnO       :   0.14
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.98    Magnesium#:  0.663

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
Sample (or sample split) was analyzed more than once, e.g., both onboard
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 8A
Hole: 558   Top/Bottom Interval(mm): 1060/1100
Core:  32   Sample Depth:   451.58
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.52    Al2O3:  14.52    Fe2O3(tot):  10.12
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.35    CaO  :  11.55    Na2O      :   2.17
K2O     :   0.34    TiO2 :   1.40    MnO       :   0.15
P2O5    :   0.19    LOI  :   1.60    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.91    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 8B
Hole: 558   Top/Bottom Interval(mm): 1150/1170
Core:  32   Sample Depth:   451.66
Sect:  1    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.41    Al2O3:  14.78    Fe2O3(tot):   9.74
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.85    CaO  :  11.30    Na2O      :   2.35
K2O     :   0.39    TiO2 :   1.38    MnO       :   0.14
P2O5    :   0.20    LOI  :   3.60    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.14    Magnesium#:   0.64

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 8B
Hole: 558   Top/Bottom Interval(mm): 1230/1250
Core:  32   Sample Depth:   451.74
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.60    Al2O3:  14.80    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.77    FeO       :   4.91
MgO     :   7.79    CaO  :  11.69    Na2O      :   2.27
K2O     :   0.39    TiO2 :   1.42    MnO       :   0.14
P2O5    :   0.20    LOI  :           H2O+      :   1.65
H2O-    :           CO2  :   0.65    SO3       :
S       :           Total:  99.32    Magnesium#:  0.631

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 7
Hole: 558   Top/Bottom Interval(mm):  570/ 590
Core:  32   Sample Depth:   452.58
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      BASALT

SiO2    :  49.80    Al2O3:  14.70    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.22    FeO       :   6.78
MgO     :   9.13    CaO  :  11.40    Na2O      :   2.08
K2O     :   0.32    TiO2 :   1.30    MnO       :   0.16
P2O5    :   0.17    LOI  :           H2O+      :   0.68
H2O-    :           CO2  :   0.17    SO3       :
S       :           Total:  98.88    Magnesium#:  0.678

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 16A
Hole: 558   Top/Bottom Interval(mm): 1300/1320
Core:  32   Sample Depth:   453.31
Sect:  2    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC BASALT

SiO2    :  50.33    Al2O3:  15.40    Fe2O3(tot):   9.36
FeO(tot):   8.42    Fe2O3:           FeO       :
MgO     :   8.67    CaO  :  11.89    Na2O      :   2.24
K2O     :   0.40    TiO2 :   1.35    MnO       :   0.14
P2O5    :   0.19    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.97    Magnesium#:   0.67

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 16C
Hole: 558   Top/Bottom Interval(mm): 1450/1470
Core:  32   Sample Depth:   453.46
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      BASALT

SiO2    :  49.00    Al2O3:  14.90    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.43    FeO       :   4.05
MgO     :   8.39    CaO  :  11.45    Na2O      :   2.24
K2O     :   0.48    TiO2 :   1.33    MnO       :   0.14
P2O5    :   0.17    LOI  :           H2O+      :   0.99
H2O-    :           CO2  :   0.11    SO3       :
S       :           Total:  98.65    Magnesium#:  0.655

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 4B
Hole: 558   Top/Bottom Interval(mm):  350/ 370
Core:  32   Sample Depth:   453.86
Sect:  3    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.00    Al2O3:  15.00    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.16    FeO       :   4.34
MgO     :   8.86    CaO  :  11.49    Na2O      :   2.27
K2O     :   0.40    TiO2 :   1.32    MnO       :   0.14
P2O5    :   0.17    LOI  :           H2O+      :   1.01
H2O-    :           CO2  :   0.22    SO3       :
S       :           Total: 100.40    Magnesium#:  0.666

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 4B
Hole: 558   Top/Bottom Interval(mm):  380/ 400
Core:  32   Sample Depth:   453.89
Sect:  3    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.36    Al2O3:  14.82    Fe2O3(tot):   9.52
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.73    CaO  :  11.33    Na2O      :   2.32
K2O     :   0.32    TiO2 :   1.26    MnO       :   0.14
P2O5    :   0.18    LOI  :   3.56    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.54    Magnesium#:   0.67

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 4C
Hole: 558   Top/Bottom Interval(mm):  630/ 670
Core:  32   Sample Depth:   454.15
Sect:  3    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.24    Al2O3:  14.64    Fe2O3(tot):   9.48
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.30    CaO  :  11.48    Na2O      :   2.17
K2O     :   0.26    TiO2 :   1.30    MnO       :   0.13
P2O5    :   0.18    LOI  :   1.69    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  98.87    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 8
Hole: 558   Top/Bottom Interval(mm):  730/ 750
Core:  32   Sample Depth:   455.74
Sect:  4    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.42    Al2O3:  14.86    Fe2O3(tot):   9.83
FeO(tot):   8.85    Fe2O3:           FeO       :
MgO     :   8.97    CaO  :  11.63    Na2O      :   2.13
K2O     :   0.31    TiO2 :   1.30    MnO       :   0.17
P2O5    :   0.17    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.80    Magnesium#:   0.67

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 8
Hole: 558   Top/Bottom Interval(mm):  770/ 790
Core:  32   Sample Depth:   455.78
Sect:  4    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.30    Al2O3:  14.80    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.16    FeO       :   6.88
MgO     :   9.25    CaO  :  11.40    Na2O      :   2.10
K2O     :   0.28    TiO2 :   1.31    MnO       :   0.16
P2O5    :   0.16    LOI  :           H2O+      :   0.58
H2O-    :           CO2  :   0.09    SO3       :
S       :           Total:  99.48    Magnesium#:  0.680

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 11B
Hole: 558   Top/Bottom Interval(mm): 1110/1130
Core:  32   Sample Depth:   456.12
Sect:  4    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  49.60    Al2O3:  15.00    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.46    FeO       :   3.64
MgO     :   8.52    CaO  :  11.64    Na2O      :   2.29
K2O     :   0.33    TiO2 :   1.34    MnO       :   0.15
P2O5    :   0.16    LOI  :           H2O+      :   1.13
H2O-    :           CO2  :   0.21    SO3       :
S       :           Total:  99.44    Magnesium#:  0.668

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 2B
Hole: 558   Top/Bottom Interval(mm):  660/ 700
Core:  32   Sample Depth:   457.18
Sect:  5    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.83    Al2O3:  15.40    Fe2O3(tot):  10.20
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.67    CaO  :  12.09    Na2O      :   2.27
K2O     :   0.29    TiO2 :   1.34    MnO       :   0.15
P2O5    :   0.19    LOI  :   1.80    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.23    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 3B
Hole: 558   Top/Bottom Interval(mm):  880/ 900
Core:  32   Sample Depth:   457.39
Sect:  5    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  49.08    Al2O3:  14.86    Fe2O3(tot):   9.46
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.56    CaO  :  11.24    Na2O      :   2.26
K2O     :   0.41    TiO2 :   1.27    MnO       :   0.14
P2O5    :   0.17    LOI  :   2.87    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.32    Magnesium#:   0.67

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   450.50    Piece: 1C
Hole: 558   Top/Bottom Interval(mm): 1010/1030
Core:  32   Sample Depth:   457.52
Sect:  5    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.94    Al2O3:  15.30    Fe2O3(tot):   9.91
FeO(tot):   8.92    Fe2O3:           FeO       :
MgO     :   8.78    CaO  :  11.70    Na2O      :   2.35
K2O     :   0.41    TiO2 :   1.30    MnO       :   0.14
P2O5    :   0.19    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.00    Magnesium#:   0.66

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   459.50    Piece: 5
Hole: 558   Top/Bottom Interval(mm):  330/ 340
Core:  33   Sample Depth:   459.84
Sect:  1    Analyst Name: Dmitriev, L.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
              IGNEOUS      GLASSY RIND

SiO2    :  50.94    Al2O3:  15.55    Fe2O3(tot):
FeO(tot):   8.61    Fe2O3:           FeO       :
MgO     :   8.06    CaO  :  11.95    Na2O      :   2.45
K2O     :   0.32    TiO2 :   1.39    MnO       :
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.27    Magnesium#:

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
Sample (or sample split) was analyzed more than once, e.g., both onboard
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   459.50    Piece: 5
Hole: 558   Top/Bottom Interval(mm):  330/ 340
Core:  33   Sample Depth:   459.84
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
Moderate      IGNEOUS      BASALT GLASS

SiO2    :  51.70    Al2O3:  15.37    Fe2O3(tot):
FeO(tot):   8.64    Fe2O3:           FeO       :
MgO     :   8.55    CaO  :  11.68    Na2O      :   2.44
K2O     :   0.29    TiO2 :   1.28    MnO       :   0.10
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.08    Magnesium#:  0.670

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
Sample (or sample split) was analyzed more than once, e.g., both onboard
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   459.50    Piece: 9A
Hole: 558   Top/Bottom Interval(mm):  770/ 800
Core:  33   Sample Depth:   460.29
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.27    Al2O3:  14.65    Fe2O3(tot):   9.93
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.36    CaO  :  11.62    Na2O      :   2.25
K2O     :   0.24    TiO2 :   1.29    MnO       :   0.14
P2O5    :   0.16    LOI  :   1.56    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.47    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   459.50    Piece: 7B
Hole: 558   Top/Bottom Interval(mm):  710/ 730
Core:  33   Sample Depth:   461.72
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.80    Al2O3:  15.30    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.55    FeO       :   3.70
MgO     :   7.84    CaO  :  11.67    Na2O      :   2.20
K2O     :   0.41    TiO2 :   1.30    MnO       :   0.13
P2O5    :   0.16    LOI  :           H2O+      :   1.94
H2O-    :           CO2  :   0.15    SO3       :
S       :           Total:  99.10    Magnesium#:  0.646

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   459.50    Piece: 14
Hole: 558   Top/Bottom Interval(mm): 1440/1470
Core:  33   Sample Depth:   462.46
Sect:  2    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.38    Al2O3:  14.85    Fe2O3(tot):   9.83
FeO(tot):   8.85    Fe2O3:           FeO       :
MgO     :   9.01    CaO  :  11.55    Na2O      :   1.84
K2O     :   0.30    TiO2 :   1.31    MnO       :   0.17
P2O5    :   0.18    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.40    Magnesium#:   0.67

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   459.50    Piece: 2
Hole: 558   Top/Bottom Interval(mm):   70/  90
Core:  33   Sample Depth:   462.58
Sect:  3    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  50.40    Al2O3:  14.70    Fe2O3(tot):
FeO(tot):           Fe2O3:   1.52    FeO       :   7.38
MgO     :   9.02    CaO  :  11.35    Na2O      :   2.11
K2O     :   0.28    TiO2 :   1.28    MnO       :   0.16
P2O5    :   0.16    LOI  :           H2O+      :   0.60
H2O-    :           CO2  :   0.10    SO3       :
S       :           Total:  99.04    Magnesium#:  0.676

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   459.50    Piece: 6
Hole: 558   Top/Bottom Interval(mm):  610/ 640
Core:  33   Sample Depth:   463.13
Sect:  3    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.29    Al2O3:  14.92    Fe2O3(tot):   9.86
FeO(tot):   8.87    Fe2O3:           FeO       :
MgO     :   9.05    CaO  :  11.51    Na2O      :   1.88
K2O     :   0.30    TiO2 :   1.30    MnO       :   0.16
P2O5    :   0.18    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.45    Magnesium#:   0.67

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   459.50    Piece: 9A
Hole: 558   Top/Bottom Interval(mm):  890/ 910
Core:  33   Sample Depth:   463.40
Sect:  3    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  49.40    Al2O3:  15.10    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.60    FeO       :   3.48
MgO     :   8.59    CaO  :  11.92    Na2O      :   2.23
K2O     :   0.34    TiO2 :   1.33    MnO       :   0.14
P2O5    :   0.16    LOI  :           H2O+      :   1.06
H2O-    :           CO2  :   0.33    SO3       :
S       :           Total:  99.64    Magnesium#:  0.671

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   459.50    Piece: 9D
Hole: 558   Top/Bottom Interval(mm): 1350/1380
Core:  33   Sample Depth:   463.87
Sect:  3    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  48.47    Al2O3:  14.69    Fe2O3(tot):   9.64
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.99    CaO  :  11.23    Na2O      :   2.23
K2O     :   0.36    TiO2 :   1.26    MnO       :   0.15
P2O5    :   0.17    LOI  :   3.07    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.26    Magnesium#:   0.68

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   459.50    Piece: 9D
Hole: 558   Top/Bottom Interval(mm): 1390/1410
Core:  33   Sample Depth:   463.90
Sect:  3    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC BASALT

SiO2    :  49.93    Al2O3:  15.34    Fe2O3(tot):   9.72
FeO(tot):   8.75    Fe2O3:           FeO       :
MgO     :   8.70    CaO  :  11.74    Na2O      :   2.36
K2O     :   0.38    TiO2 :   1.31    MnO       :   0.15
P2O5    :   0.18    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.81    Magnesium#:   0.66

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   459.50    Piece: 9D
Hole: 558   Top/Bottom Interval(mm): 1440/1470
Core:  33   Sample Depth:   463.96
Sect:  3    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC BASALT

SiO2    :  49.95    Al2O3:  14.90    Fe2O3(tot):   9.72
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.81    CaO  :  11.72    Na2O      :   2.14
K2O     :   0.28    TiO2 :   1.28    MnO       :   0.14
P2O5    :   0.17    LOI  :   1.48    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.59    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   468.50    Piece: 3A
Hole: 558   Top/Bottom Interval(mm):  300/ 320
Core:  34   Sample Depth:   468.81
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  49.80    Al2O3:  15.00    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.67    FeO       :   6.08
MgO     :   8.91    CaO  :  11.23    Na2O      :   2.03
K2O     :   0.25    TiO2 :   1.26    MnO       :   0.14
P2O5    :   0.16    LOI  :           H2O+      :   1.52
H2O-    :           CO2  :   0.06    SO3       :
S       :           Total:  99.08    Magnesium#:  0.680

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   468.50    Piece: 3B
Hole: 558   Top/Bottom Interval(mm):  340/ 380
Core:  34   Sample Depth:   468.86
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.04    Al2O3:  14.45    Fe2O3(tot):   9.81
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.67    CaO  :  11.59    Na2O      :   1.79
K2O     :   0.21    TiO2 :   1.28    MnO       :   0.14
P2O5    :   0.17    LOI  :   1.14    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.29    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   468.50    Piece: 3F
Hole: 558   Top/Bottom Interval(mm):  630/ 650
Core:  34   Sample Depth:   469.14
Sect:  1    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.39    Al2O3:  15.12    Fe2O3(tot):   9.40
FeO(tot):           Fe2O3:           FeO       :
MgO     :   7.68    CaO  :  11.61    Na2O      :   2.36
K2O     :   0.36    TiO2 :   1.26    MnO       :   0.13
P2O5    :   0.17    LOI  :   3.88    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.36    Magnesium#:   0.65

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   468.50    Piece: 6B
Hole: 558   Top/Bottom Interval(mm): 1130/1150
Core:  34   Sample Depth:   469.64
Sect:  1    Analyst Name: Puchelt, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.18    Al2O3:  14.88    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.59    FeO       :   3.89
MgO     :   8.40    CaO  :  12.20    Na2O      :   2.48
K2O     :   0.47    TiO2 :   1.25    MnO       :   0.27
P2O5    :   0.16    LOI  :           H2O+      :   1.11
H2O-    :           CO2  :   0.50    SO3       :
S       : -0.010    Total: 100.38    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 5B
Hole: 558   Top/Bottom Interval(mm):  460/ 470
Core:  35   Sample Depth:   477.97
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
Slight        IGNEOUS      BASALT GLASS

SiO2    :  51.50    Al2O3:  14.86    Fe2O3(tot):
FeO(tot):   8.83    Fe2O3:           FeO       :
MgO     :   9.36    CaO  :  11.40    Na2O      :   2.33
K2O     :   0.23    TiO2 :   1.18    MnO       :   0.16
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.84    Magnesium#:  0.685

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 11A
Hole: 558   Top/Bottom Interval(mm): 1200/1220
Core:  35   Sample Depth:   478.71
Sect:  1    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.13    Al2O3:  14.56    Fe2O3(tot):   9.65
FeO(tot):           Fe2O3:           FeO       :
MgO     :   9.16    CaO  :  11.31    Na2O      :   2.17
K2O     :   0.33    TiO2 :   1.18    MnO       :   0.15
P2O5    :   0.14    LOI  :   2.40    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.18    Magnesium#:   0.68

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 11C
Hole: 558   Top/Bottom Interval(mm): 1280/1310
Core:  35   Sample Depth:   478.80
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.71    Al2O3:  14.22    Fe2O3(tot):  10.18
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.96    CaO  :  11.53    Na2O      :   1.92
K2O     :   0.33    TiO2 :   1.18    MnO       :   0.16
P2O5    :   0.16    LOI  :   1.05    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.40    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 1
Hole: 558   Top/Bottom Interval(mm):   20/  40
Core:  35   Sample Depth:   479.03
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.70    Al2O3:  14.80    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.89    FeO       :   6.73
MgO     :   9.42    CaO  :  11.49    Na2O      :   2.04
K2O     :   0.25    TiO2 :   1.24    MnO       :   0.17
P2O5    :   0.14    LOI  :           H2O+      :   0.44
H2O-    :           CO2  :   0.09    SO3       :
S       :           Total: 100.44    Magnesium#:  0.671

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 2A
Hole: 558   Top/Bottom Interval(mm):  110/ 130
Core:  35   Sample Depth:   479.12
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.90    Al2O3:  14.60    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.61    FeO       :   6.82
MgO     :   9.27    CaO  :  11.43    Na2O      :   2.02
K2O     :   0.26    TiO2 :   1.22    MnO       :   0.17
P2O5    :   0.14    LOI  :           H2O+      :   0.55
H2O-    :           CO2  :   0.14    SO3       :
S       :           Total:  99.15    Magnesium#:  0.672

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 3
Hole: 558   Top/Bottom Interval(mm):  640/ 650
Core:  35   Sample Depth:   479.65
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
Slight        IGNEOUS      BASALT GLASS

SiO2    :  51.30    Al2O3:  14.84    Fe2O3(tot):
FeO(tot):   8.82    Fe2O3:           FeO       :
MgO     :   9.46    CaO  :  11.52    Na2O      :   2.32
K2O     :   0.23    TiO2 :   1.17    MnO       :   0.15
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.78    Magnesium#:  0.687

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 5A
Hole: 558   Top/Bottom Interval(mm):  840/ 850
Core:  35   Sample Depth:   479.85
Sect:  2    Analyst Name: Dmitriev, L.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
              IGNEOUS      GLASSY RIND

SiO2    :  51.82    Al2O3:  15.09    Fe2O3(tot):
FeO(tot):   9.27    Fe2O3:           FeO       :
MgO     :   8.79    CaO  :  11.78    Na2O      :   2.14
K2O     :   0.31    TiO2 :   1.28    MnO       :
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.48    Magnesium#:

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 6A
Hole: 558   Top/Bottom Interval(mm):  970/1020
Core:  35   Sample Depth:   480.00
Sect:  2    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.50    Al2O3:  14.58    Fe2O3(tot):  10.10
FeO(tot):           Fe2O3:           FeO       :
MgO     :   9.17    CaO  :  11.78    Na2O      :   1.70
K2O     :   0.25    TiO2 :   1.20    MnO       :   0.15
P2O5    :   0.15    LOI  :   1.16    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.74    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 6B
Hole: 558   Top/Bottom Interval(mm): 1120/1140
Core:  35   Sample Depth:   480.13
Sect:  2    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.50    Al2O3:  14.88    Fe2O3(tot):  10.02
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.30    CaO  :  11.71    Na2O      :   2.26
K2O     :   0.35    TiO2 :   1.20    MnO       :   0.16
P2O5    :   0.16    LOI  :   2.98    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.52    Magnesium#:   0.65

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 7B
Hole: 558   Top/Bottom Interval(mm):  890/ 910
Core:  35   Sample Depth:   481.40
Sect:  3    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      INTERPILLOW BRECCIA

SiO2    :  48.45    Al2O3:  14.82    Fe2O3(tot):  10.03
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.79    CaO  :  11.62    Na2O      :   2.14
K2O     :   0.32    TiO2 :   1.20    MnO       :   0.15
P2O5    :   0.15    LOI  :   2.74    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.41    Magnesium#:   0.66

Comments: BRECCIA OF FRESH CLASTS IN CALCITE MATRIX
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 8B
Hole: 558   Top/Bottom Interval(mm): 1000/1030
Core:  35   Sample Depth:   481.52
Sect:  3    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC BASALT

SiO2    :  49.76    Al2O3:  14.24    Fe2O3(tot):   9.88
FeO(tot):           Fe2O3:           FeO       :
MgO     :   9.32    CaO  :  11.50    Na2O      :   1.89
K2O     :   0.30    TiO2 :   1.17    MnO       :   0.15
P2O5    :   0.13    LOI  :   0.98    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.32    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 8B
Hole: 558   Top/Bottom Interval(mm): 1070/1090
Core:  35   Sample Depth:   481.58
Sect:  3    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC BASALT

SiO2    :  49.43    Al2O3:  15.03    Fe2O3(tot):  10.14
FeO(tot):   9.12    Fe2O3:           FeO       :
MgO     :   8.92    CaO  :  12.13    Na2O      :   2.52
K2O     :   0.35    TiO2 :   1.22    MnO       :   0.17
P2O5    :   0.16    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.06    Magnesium#:   0.66

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 8B
Hole: 558   Top/Bottom Interval(mm): 1100/1130
Core:  35   Sample Depth:   481.62
Sect:  3    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC BASALT

SiO2    :  49.50    Al2O3:  14.80    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.39    FeO       :   5.63
MgO     :   9.05    CaO  :  11.56    Na2O      :   2.09
K2O     :   0.35    TiO2 :   1.19    MnO       :   0.15
P2O5    :   0.14    LOI  :           H2O+      :   1.76
H2O-    :           CO2  :   0.27    SO3       :
S       :           Total:  99.84    Magnesium#:  0.678

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 10
Hole: 558   Top/Bottom Interval(mm): 1020/1040
Core:  35   Sample Depth:   483.03
Sect:  4    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC BASALT

SiO2    :  48.99    Al2O3:  14.77    Fe2O3(tot):   9.80
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.92    CaO  :  11.17    Na2O      :   2.28
K2O     :   0.35    TiO2 :   1.22    MnO       :   0.15
P2O5    :   0.17    LOI  :   2.62    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.44    Magnesium#:   0.67

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   477.50    Piece: 10
Hole: 558   Top/Bottom Interval(mm): 1060/1080
Core:  35   Sample Depth:   483.07
Sect:  4    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      HYALOCLASTIC BRECCIA

SiO2    :  49.60    Al2O3:  14.90    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.35    FeO       :   5.35
MgO     :   8.91    CaO  :  11.67    Na2O      :   2.11
K2O     :   0.36    TiO2 :   1.22    MnO       :   0.16
P2O5    :   0.14    LOI  :           H2O+      :   1.53
H2O-    :           CO2  :   0.13    SO3       :
S       :           Total: 100.45    Magnesium#:  0.661

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   486.50    Piece: 5
Hole: 558   Top/Bottom Interval(mm):  620/ 650
Core:  36   Sample Depth:   487.14
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
              IGNEOUS      APHYRIC BASALT

SiO2    :  49.64    Al2O3:  14.60    Fe2O3(tot):  10.30
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.25    CaO  :  12.02    Na2O      :   1.67
K2O     :   0.28    TiO2 :   1.23    MnO       :   0.16
P2O5    :   0.16    LOI  :   0.61    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  98.92    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   486.50    Piece: 6B
Hole: 558   Top/Bottom Interval(mm):  740/ 780
Core:  36   Sample Depth:   487.26
Sect:  1    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.22    Al2O3:  15.54    Fe2O3(tot):  10.43
FeO(tot):   9.39    Fe2O3:           FeO       :
MgO     :   7.82    CaO  :  12.26    Na2O      :   2.28
K2O     :   0.41    TiO2 :   1.31    MnO       :   0.18
P2O5    :   0.20    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.63    Magnesium#:   0.62

Comments: CLAST IN BASALTIC BRECCIA
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   486.50    Piece: 6C
Hole: 558   Top/Bottom Interval(mm):  820/ 840
Core:  36   Sample Depth:   487.33
Sect:  1    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      HYALOCLASTITE BRECCIA

SiO2    :  48.65    Al2O3:  14.73    Fe2O3(tot):   9.82
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.40    CaO  :  11.40    Na2O      :   2.19
K2O     :   0.38    TiO2 :   1.22    MnO       :   0.15
P2O5    :   0.17    LOI  :   2.98    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.09    Magnesium#:   0.66

Comments: CLASTS OF MOSTLY PALAGONITIZED GLASS AND BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   486.50    Piece: 5D
Hole: 558   Top/Bottom Interval(mm): 1000/1020
Core:  36   Sample Depth:   489.01
Sect:  2    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.04    Al2O3:  14.92    Fe2O3(tot):   9.66
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.48    CaO  :  11.23    Na2O      :   2.30
K2O     :   0.39    TiO2 :   1.23    MnO       :   0.15
P2O5    :   0.17    LOI  :   2.94    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.51    Magnesium#:   0.66

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   486.50    Piece: 5E
Hole: 558   Top/Bottom Interval(mm): 1070/1100
Core:  36   Sample Depth:   489.09
Sect:  2    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.75    Al2O3:  14.85    Fe2O3(tot):   9.93
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.31    CaO  :  12.04    Na2O      :   1.82
K2O     :   0.33    TiO2 :   1.25    MnO       :   0.16
P2O5    :   0.17    LOI  :   1.39    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.00    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   486.50    Piece: 1B
Hole: 558   Top/Bottom Interval(mm):  170/ 190
Core:  36   Sample Depth:   489.68
Sect:  3    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  48.60    Al2O3:  15.50    Fe2O3(tot):
FeO(tot):           Fe2O3:   7.19    FeO       :   2.90
MgO     :   7.25    CaO  :  12.16    Na2O      :   2.30
K2O     :   0.38    TiO2 :   1.32    MnO       :   0.16
P2O5    :   0.18    LOI  :           H2O+      :   1.11
H2O-    :           CO2  :   0.44    SO3       :
S       :           Total:  99.49    Magnesium#:  0.610

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   486.50    Piece: 3A
Hole: 558   Top/Bottom Interval(mm):  310/ 330
Core:  36   Sample Depth:   489.82
Sect:  3    Analyst Name: Schmincke, H.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
Moderate      IGNEOUS      BASALT GLASS

SiO2    :  52.00    Al2O3:  15.26    Fe2O3(tot):
FeO(tot):   8.84    Fe2O3:           FeO       :
MgO     :   8.78    CaO  :  11.22    Na2O      :   2.48
K2O     :   0.27    TiO2 :   1.23    MnO       :   0.13
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.18    Magnesium#:  0.671

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   486.50    Piece: 4
Hole: 558   Top/Bottom Interval(mm):  440/ 460
Core:  36   Sample Depth:   489.95
Sect:  3    Analyst Name: Puchelt, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  50.27    Al2O3:  15.00    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.08    FeO       :   5.30
MgO     :   8.67    CaO  :  11.61    Na2O      :   2.51
K2O     :   0.43    TiO2 :   1.23    MnO       :   0.15
P2O5    :   0.15    LOI  :           H2O+      :   1.05
H2O-    :           CO2  :   0.05    SO3       :
S       : 0.0160    Total: 100.50    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   495.50    Piece: 7
Hole: 558   Top/Bottom Interval(mm):  750/ 760
Core:  37   Sample Depth:   496.26
Sect:  1    Analyst Name: Dmitriev, L.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
              IGNEOUS      GLASSY RIND

SiO2    :  50.60    Al2O3:  15.38    Fe2O3(tot):
FeO(tot):  10.23    Fe2O3:           FeO       :
MgO     :   7.76    CaO  :  11.41    Na2O      :   2.57
K2O     :   0.32    TiO2 :   1.63    MnO       :
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.90    Magnesium#:

Comments: OL SPARSELY PHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   495.50    Piece: 10
Hole: 558   Top/Bottom Interval(mm):  890/ 920
Core:  37   Sample Depth:   496.41
Sect:  1    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC BASALT

SiO2    :  49.35    Al2O3:  16.15    Fe2O3(tot):   9.90
FeO(tot):   8.90    Fe2O3:           FeO       :
MgO     :   8.33    CaO  :  12.04    Na2O      :   2.16
K2O     :   0.29    TiO2 :   0.98    MnO       :   0.14
P2O5    :   0.14    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.48    Magnesium#:   0.65

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   495.50    Piece: 19A
Hole: 558   Top/Bottom Interval(mm): 1370/1410
Core:  37   Sample Depth:   496.89
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC BASALT

SiO2    :  48.75    Al2O3:  15.22    Fe2O3(tot):  10.03
FeO(tot):           Fe2O3:           FeO       :
MgO     :  10.10    CaO  :  11.85    Na2O      :   1.49
K2O     :   0.21    TiO2 :   0.93    MnO       :   0.15
P2O5    :   0.09    LOI  :   0.87    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.69    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   495.50    Piece: 19B
Hole: 558   Top/Bottom Interval(mm): 1430/1480
Core:  37   Sample Depth:   496.96
Sect:  1    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Fresh         IGNEOUS      APHYRIC BASALT

SiO2    :  48.34    Al2O3:  15.26    Fe2O3(tot):   9.66
FeO(tot):           Fe2O3:           FeO       :
MgO     :  10.02    CaO  :  11.33    Na2O      :   2.01
K2O     :   0.29    TiO2 :   0.93    MnO       :   0.15
P2O5    :   0.11    LOI  :   2.23    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.33    Magnesium#:   0.70

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   504.50    Piece: 7
Hole: 558   Top/Bottom Interval(mm):  340/ 360
Core:  38   Sample Depth:   504.85
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      BASALT BRECCIA

SiO2    :  50.10    Al2O3:  15.50    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.50    FeO       :   6.76
MgO     :  10.29    CaO  :  11.53    Na2O      :   1.97
K2O     :   0.18    TiO2 :   0.98    MnO       :   0.16
P2O5    :   0.11    LOI  :           H2O+      :   0.37
H2O-    :           CO2  :   0.10    SO3       :
S       :           Total: 100.55    Magnesium#:  0.698

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   504.50    Piece: 13
Hole: 558   Top/Bottom Interval(mm):  930/ 950
Core:  38   Sample Depth:   505.44
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      BASALT BRECCIA

SiO2    :  48.10    Al2O3:  15.40    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.67    FeO       :   3.76
MgO     :   9.87    CaO  :  11.54    Na2O      :   1.96
K2O     :   0.25    TiO2 :   0.96    MnO       :   0.16
P2O5    :   0.11    LOI  :           H2O+      :   0.89
H2O-    :           CO2  :   0.16    SO3       :
S       :           Total:  98.78    Magnesium#:  0.693

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   504.50    Piece: 13
Hole: 558   Top/Bottom Interval(mm):  970/ 990
Core:  38   Sample Depth:   505.48
Sect:  1    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.12    Al2O3:  15.70    Fe2O3(tot):   9.87
FeO(tot):   8.88    Fe2O3:           FeO       :
MgO     :  10.80    CaO  :  11.71    Na2O      :   2.09
K2O     :   0.22    TiO2 :   0.95    MnO       :   0.17
P2O5    :   0.13    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.76    Magnesium#:   0.71

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   504.50    Piece: 14A
Hole: 558   Top/Bottom Interval(mm): 1040/1080
Core:  38   Sample Depth:   505.56
Sect:  1    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  47.34    Al2O3:  15.82    Fe2O3(tot):   9.76
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.59    CaO  :  11.47    Na2O      :   2.07
K2O     :   0.29    TiO2 :   0.95    MnO       :   0.15
P2O5    :   0.13    LOI  :   3.82    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.39    Magnesium#:   0.66

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   504.50    Piece: 16
Hole: 558   Top/Bottom Interval(mm): 1260/1300
Core:  38   Sample Depth:   505.78
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.23    Al2O3:  15.14    Fe2O3(tot):   9.90
FeO(tot):           Fe2O3:           FeO       :
MgO     :   9.89    CaO  :  11.87    Na2O      :   2.04
K2O     :   0.15    TiO2 :   0.95    MnO       :   0.16
P2O5    :   0.11    LOI  :   1.21    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.65    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   504.50    Piece: 4A
Hole: 558   Top/Bottom Interval(mm):  610/ 630
Core:  38   Sample Depth:   506.62
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  49.20    Al2O3:  14.90    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.10    FeO       :   5.27
MgO     :   8.54    CaO  :  11.46    Na2O      :   2.18
K2O     :   0.32    TiO2 :   1.25    MnO       :   0.14
P2O5    :   0.16    LOI  :           H2O+      :   1.57
H2O-    :           CO2  :   0.05    SO3       :
S       :           Total:  99.12    Magnesium#:  0.658

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   504.50    Piece: 5B
Hole: 558   Top/Bottom Interval(mm):  840/ 880
Core:  38   Sample Depth:   506.86
Sect:  2    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.89    Al2O3:  15.71    Fe2O3(tot):  10.35
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.01    CaO  :  12.18    Na2O      :   2.30
K2O     :   0.20    TiO2 :   0.98    MnO       :   0.16
P2O5    :   0.13    LOI  :   1.93    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.84    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   504.50    Piece: 9
Hole: 558   Top/Bottom Interval(mm): 1160/1180
Core:  38   Sample Depth:   507.17
Sect:  2    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.45    Al2O3:  16.15    Fe2O3(tot):  10.10
FeO(tot):   9.09    Fe2O3:           FeO       :
MgO     :   8.33    CaO  :  12.21    Na2O      :   2.12
K2O     :   0.23    TiO2 :   0.99    MnO       :   0.16
P2O5    :   0.13    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.87    Magnesium#:   0.65

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 2C
Hole: 558   Top/Bottom Interval(mm):  200/ 220
Core:  39   Sample Depth:   509.21
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  49.40    Al2O3:  16.10    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.47    FeO       :   4.34
MgO     :   8.47    CaO  :  11.84    Na2O      :   2.22
K2O     :   0.23    TiO2 :   1.01    MnO       :   0.16
P2O5    :   0.11    LOI  :           H2O+      :   1.12
H2O-    :           CO2  :   0.10    SO3       :
S       :           Total:  99.55    Magnesium#:  0.672

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 3
Hole: 558   Top/Bottom Interval(mm):  250/ 260
Core:  39   Sample Depth:   509.26
Sect:  1    Analyst Name: Dmitriev, L.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
              IGNEOUS      GLASSY RIND

SiO2    :  50.71    Al2O3:  15.19    Fe2O3(tot):
FeO(tot):  10.49    Fe2O3:           FeO       :
MgO     :   7.35    CaO  :  10.99    Na2O      :   2.56
K2O     :   0.31    TiO2 :   1.63    MnO       :
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.23    Magnesium#:

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
Results are averages for multiple analyses of the specimen.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 5C
Hole: 558   Top/Bottom Interval(mm):  550/ 570
Core:  39   Sample Depth:   509.56
Sect:  1    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.19    Al2O3:  15.85    Fe2O3(tot):   9.32
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.44    CaO  :  11.67    Na2O      :   2.14
K2O     :   0.24    TiO2 :   0.96    MnO       :   0.16
P2O5    :   0.12    LOI  :   3.19    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.28    Magnesium#:   0.67

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 5G
Hole: 558   Top/Bottom Interval(mm):  830/ 870
Core:  39   Sample Depth:   509.85
Sect:  1    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.87    Al2O3:  15.76    Fe2O3(tot):   9.84
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.30    CaO  :  12.10    Na2O      :   2.75
K2O     :   0.18    TiO2 :   0.98    MnO       :   0.17
P2O5    :   0.13    LOI  :   1.55    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.63    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 8A
Hole: 558   Top/Bottom Interval(mm): 1110/1130
Core:  39   Sample Depth:   510.12
Sect:  1    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.89    Al2O3:  16.61    Fe2O3(tot):  10.48
FeO(tot):   9.43    Fe2O3:           FeO       :
MgO     :   7.54    CaO  :  12.92    Na2O      :   2.32
K2O     :   0.30    TiO2 :   1.02    MnO       :   0.17
P2O5    :   0.14    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.38    Magnesium#:   0.62

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 1
Hole: 558   Top/Bottom Interval(mm):  110/ 130
Core:  39   Sample Depth:   510.62
Sect:  2    Analyst Name: Drake, N.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  49.61    Al2O3:  15.60    Fe2O3(tot):   9.87
FeO(tot):   8.88    Fe2O3:           FeO       :
MgO     :   9.89    CaO  :  11.71    Na2O      :   2.17
K2O     :   0.29    TiO2 :   0.96    MnO       :   0.18
P2O5    :   0.13    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.40    Magnesium#:   0.69

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 3A
Hole: 558   Top/Bottom Interval(mm):  350/ 380
Core:  39   Sample Depth:   510.87
Sect:  2    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  49.24    Al2O3:  15.11    Fe2O3(tot):  10.10
FeO(tot):           Fe2O3:           FeO       :
MgO     :   9.99    CaO  :  11.74    Na2O      :   2.06
K2O     :   0.22    TiO2 :   0.93    MnO       :   0.17
P2O5    :   0.12    LOI  :   1.06    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.74    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 3C
Hole: 558   Top/Bottom Interval(mm):  690/ 710
Core:  39   Sample Depth:   511.20
Sect:  2    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.21    Al2O3:  15.59    Fe2O3(tot):   9.44
FeO(tot):           Fe2O3:           FeO       :
MgO     :   9.30    CaO  :  11.38    Na2O      :   2.09
K2O     :   0.23    TiO2 :   0.94    MnO       :   0.17
P2O5    :   0.12    LOI  :   2.70    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.17    Magnesium#:   0.69

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 5
Hole: 558   Top/Bottom Interval(mm): 1120/1130
Core:  39   Sample Depth:   511.63
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  Electron microprobe  Electron microprobe  Electron microprobe

Alteration    Rock type    Rock name
Moderate      IGNEOUS      BASALT GLASS

SiO2    :  51.20    Al2O3:  15.63    Fe2O3(tot):
FeO(tot):   8.52    Fe2O3:           FeO       :
MgO     :  10.16    CaO  :  11.59    Na2O      :   2.12
K2O     :   0.15    TiO2 :   0.98    MnO       :   0.15
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.45    Magnesium#:  0.710

Comments: APHYRIC BASALT
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 4C
Hole: 558   Top/Bottom Interval(mm):  980/1000
Core:  39   Sample Depth:   514.49
Sect:  4    Analyst Name: Weaver, B.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  47.96    Al2O3:  15.57    Fe2O3(tot):   9.66
FeO(tot):           Fe2O3:           FeO       :
MgO     :   8.47    CaO  :  11.90    Na2O      :   2.14
K2O     :   0.25    TiO2 :   0.94    MnO       :   0.15
P2O5    :   0.12    LOI  :   3.15    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.31    Magnesium#:   0.66

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 5C
Hole: 558   Top/Bottom Interval(mm): 1220/1250
Core:  39   Sample Depth:   514.74
Sect:  4    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :  49.40    Al2O3:  15.50    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.11    FeO       :   5.10
MgO     :  10.09    CaO  :  11.56    Na2O      :   1.99
K2O     :   0.27    TiO2 :   0.98    MnO       :   0.15
P2O5    :   0.11    LOI  :           H2O+      :   0.69
H2O-    :           CO2  :   0.09    SO3       :
S       :           Total: 100.01    Magnesium#:  0.699

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   509.00    Piece: 6
Hole: 558   Top/Bottom Interval(mm): 1310/1350
Core:  39   Sample Depth:   514.83
Sect:  4    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  48.53    Al2O3:  14.80    Fe2O3(tot):  10.02
FeO(tot):           Fe2O3:           FeO       :
MgO     :   9.86    CaO  :  11.69    Na2O      :   1.87
K2O     :   0.20    TiO2 :   0.93    MnO       :   0.15
P2O5    :   0.11    LOI  :   0.89    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.05    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   518.00    Piece: 8A
Hole: 558   Top/Bottom Interval(mm):  920/ 940
Core:  40   Sample Depth:   518.93
Sect:  1    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Extensive     IGNEOUS      BASALT BRECCIA

SiO2    :  47.30    Al2O3:  16.40    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.24    FeO       :   4.37
MgO     :   6.92    CaO  :  12.96    Na2O      :   2.02
K2O     :   0.24    TiO2 :   1.00    MnO       :   0.15
P2O5    :   0.12    LOI  :           H2O+      :   1.67
H2O-    :           CO2  :   0.67    SO3       :
S       :           Total:  99.01    Magnesium#:  0.606

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   518.00    Piece: 1A
Hole: 558   Top/Bottom Interval(mm):   70/  90
Core:  40   Sample Depth:   519.58
Sect:  2    Analyst Name: Schmincke, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Extensive     IGNEOUS      BASALT BRECCIA

SiO2    :  46.90    Al2O3:  15.90    Fe2O3(tot):
FeO(tot):           Fe2O3:   6.13    FeO       :   2.91
MgO     :   6.86    CaO  :  13.16    Na2O      :   2.11
K2O     :   0.76    TiO2 :   1.45    MnO       :   0.14
P2O5    :   0.28    LOI  :           H2O+      :   0.88
H2O-    :           CO2  :   0.94    SO3       :
S       :           Total:  98.40    Magnesium#:  0.622

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Essential oxides quoted to .01
Values for iron partitioning calculated.
Laboratory analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 82    Depth to Top of Core(m):   527.00    Piece: 6F
Hole: 558   Top/Bottom Interval(mm): 1430/1460
Core:  41   Sample Depth:   529.95
Sect:  2    Analyst Name: Bougault, H.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
Almost total  IGNEOUS      BASALT CLAST

SiO2    :  48.02    Al2O3:  15.59    Fe2O3(tot):  10.58
FeO(tot):           Fe2O3:           FeO       :
MgO     :  10.40    CaO  :  11.40    Na2O      :   1.71
K2O     :   0.10    TiO2 :   0.91    MnO       :   0.16
P2O5    :   0.07    LOI  :   1.42    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.36    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Shipboard analysis.
Data source is the author's manuscript.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   527.00    Piece: 7E
Hole: 558   Top/Bottom Interval(mm): 1110/1160
Core:  41   Sample Depth:   531.14
Sect:  3    Analyst Name: Bonatti, E.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
              IGNEOUS      SERPENTINIZED PERIDOTITE

SiO2    :  37.72    Al2O3:   0.77    Fe2O3(tot):   6.67
FeO(tot):           Fe2O3:           FeO       :
MgO     :  37.39    CaO  :   2.01    Na2O      :   0.12
K2O     :   0.00    TiO2 :   0.02    MnO       :   0.07
P2O5    :           LOI  :  16.07    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total: 100.84    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



Leg : 82    Depth to Top of Core(m):   536.00    Piece: 2
Hole: 558   Top/Bottom Interval(mm):  570/ 590
Core:  42   Sample Depth:   536.58
Sect:  1    Analyst Name: Bonatti, E.

Analytical Method(s):
  X-Ray fluorescence  X-Ray fluorescence  X-Ray fluorescence

Alteration    Rock type    Rock name
              IGNEOUS      SERPENTINIZED PERIDOTITE

SiO2    :  38.12    Al2O3:   0.72    Fe2O3(tot):   7.29
FeO(tot):           Fe2O3:           FeO       :
MgO     :  39.53    CaO  :   0.08    Na2O      :   0.15
K2O     :   0.00    TiO2 :   0.02    MnO       :   0.11
P2O5    :           LOI  :  13.03    H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.05    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Essential oxides quoted to .01
Fe oxide partitions not specified or analyzed.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.



    

Introduction


Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]

These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced in 1989 and modified in 2000 by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center (now part of the National Centers for Environmental Information), and collocated World Data Center for Marine Geology and Geophysics, Boulder (now part of the World Data Service for Geophysics). Data were compiled in cooperation with the U.S. Science Support Program, of the Joint Oceanographic Institutions, Inc. (now the Consortium for Ocean Leadership), and the U.S. National Science Foundation.

Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.

Department of Commerce > NOAA > NESDIS > NCEI > doi:10.7289/V54M92G2