Leg : 64 Depth to Top of Core(m): 515.00 Piece: 1B
Hole: 474A Top/Bottom Interval(mm): 1480/1500
Core: 39 Sample Depth: 519.49
Sect: 3 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Moderate IGNEOUS PLAG-SPINEL PHYRIC BASALT
SiO2 : 48.2 Al2O3: 15.6 Fe2O3(tot): 11.15
FeO(tot): Fe2O3: FeO :
MgO : 7.07 CaO : 11.17 Na2O : 3.01
K2O : 0.05 TiO2 : 1.78 MnO : 0.21
P2O5 : 0.12 LOI : 1.20 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.64 Magnesium#:
Comments: SAMPLED ADJACENT TO CHILLED MARGIN.
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 515.00 Piece: 8
Hole: 474A Top/Bottom Interval(mm): 650/ 670
Core: 39 Sample Depth: 520.16
Sect: 4 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS DOLERITE
SiO2 : 45.9 Al2O3: 15.9 Fe2O3(tot): 10.48
FeO(tot): Fe2O3: FeO :
MgO : 10.86 CaO : 10.75 Na2O : 2.78
K2O : 0.03 TiO2 : 1.69 MnO : 0.17
P2O5 : 0.14 LOI : 0.9 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.60 Magnesium#:
Comments: ALTERATION RESTRICTED TO RIMS AND CRACKS OF OL.
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 524.50 Piece: 1A
Hole: 474A Top/Bottom Interval(mm): 190/ 210
Core: 40 Sample Depth: 524.70
Sect: 1 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Moderate IGNEOUS DOLERITE
SiO2 : 44.8 Al2O3: 14.7 Fe2O3(tot): 11.13
FeO(tot): Fe2O3: FeO :
MgO : 14.90 CaO : 9.27 Na2O : 2.37
K2O : 0.03 TiO2 : 1.54 MnO : 0.16
P2O5 : 0.13 LOI : 0.9 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.89 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 524.50 Piece: 3E
Hole: 474A Top/Bottom Interval(mm): 400/ 0
Core: 40 Sample Depth: 526.40
Sect: 2 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Moderate IGNEOUS DOLERITE
SiO2 : 48.1 Al2O3: 14.1 Fe2O3(tot): 10.26
FeO(tot): Fe2O3: FeO :
MgO : 11.17 CaO : 10.21 Na2O : 2.66
K2O : 0.06 TiO2 : 1.59 MnO : 0.17
P2O5 : 0.12 LOI : 1.18 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.63 Magnesium#:
Comments: OL-RICH,ADJACENT TO VEIN MATERIAL,IN PHENO-RICH ZONE.
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 524.50 Piece: 5A
Hole: 474A Top/Bottom Interval(mm): 1100/ 0
Core: 40 Sample Depth: 527.10
Sect: 2 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Moderate IGNEOUS DOLERITE
SiO2 : 45.8 Al2O3: 15.6 Fe2O3(tot): 11.19
FeO(tot): Fe2O3: FeO :
MgO : 10.01 CaO : 11.40 Na2O : 2.91
K2O : 0.06 TiO2 : 1.61 MnO : 0.19
P2O5 : 0.11 LOI : 1.03 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.89 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 534.00 Piece: 2
Hole: 474A Top/Bottom Interval(mm): 80/ 100
Core: 41 Sample Depth: 541.59
Sect: 6 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS DOLERITE
SiO2 : 46.9 Al2O3: 15.2 Fe2O3(tot): 11.10
FeO(tot): Fe2O3: FeO :
MgO : 11.42 CaO : 9.74 Na2O : 2.56
K2O : 0.02 TiO2 : 1.48 MnO : 0.21
P2O5 : 0.09 LOI : 1.46 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 100.19 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 543.50 Piece: 1A
Hole: 474A Top/Bottom Interval(mm): 60/ 80
Core: 42 Sample Depth: 543.57
Sect: 1 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS DOLERITE
SiO2 : 44.5 Al2O3: 15.2 Fe2O3(tot): 10.77
FeO(tot): Fe2O3: FeO :
MgO : 14.87 CaO : 9.59 Na2O : 2.47
K2O : 0.00 TiO2 : 1.28 MnO : 0.17
P2O5 : 0.09 LOI : 1.22 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 100.07 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 543.50 Piece: 5F
Hole: 474A Top/Bottom Interval(mm): 820/ 0
Core: 42 Sample Depth: 547.32
Sect: 3 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Moderate IGNEOUS DOLERITE
SiO2 : 48.8 Al2O3: 16.6 Fe2O3(tot): 9.68
FeO(tot): Fe2O3: FeO :
MgO : 8.28 CaO : 11.64 Na2O : 2.78
K2O : 0.09 TiO2 : 1.35 MnO : 0.16
P2O5 : 0.12 LOI : 0.26 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.81 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 543.50 Piece: 1G
Hole: 474A Top/Bottom Interval(mm): 610/ 630
Core: 42 Sample Depth: 548.62
Sect: 4 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS DOLERITE
SiO2 : 48.5 Al2O3: 16.7 Fe2O3(tot): 9.74
FeO(tot): Fe2O3: FeO :
MgO : 8.44 CaO : 11.50 Na2O : 2.78
K2O : 0.11 TiO2 : 1.38 MnO : 0.15
P2O5 : 0.12 LOI : 0.53 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.96 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 553.00 Piece: 4J
Hole: 474A Top/Bottom Interval(mm): 1190/1210
Core: 43 Sample Depth: 554.20
Sect: 1 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Slight IGNEOUS DOLERITE
SiO2 : 49.1 Al2O3: 15.1 Fe2O3(tot): 10.58
FeO(tot): Fe2O3: FeO :
MgO : 8.09 CaO : 11.56 Na2O : 2.62
K2O : 0.07 TiO2 : 1.97 MnO : 0.17
P2O5 : 0.19 LOI : 0.68 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 100.20 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 553.00 Piece: 3B
Hole: 474A Top/Bottom Interval(mm): 750/ 770
Core: 43 Sample Depth: 555.26
Sect: 2 Analyst Name: Pal Verma, S.
Analytical Method(s):
Isotope dilution Isotope dilution Isotope dilution
Alteration Rock type Rock name
Slight IGNEOUS DOLERITE
SiO2 : Al2O3: Fe2O3(tot):
FeO(tot): Fe2O3: FeO :
MgO : CaO : Na2O :
K2O : .097 TiO2 : MnO :
P2O5 : LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: Magnesium#:
Comments:
Essential oxides quoted to .01
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Partial analysis.
Leg : 64 Depth to Top of Core(m): 553.00 Piece: 5B
Hole: 474A Top/Bottom Interval(mm): 490/ 510
Core: 43 Sample Depth: 556.50
Sect: 3 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS DOLERITE
SiO2 : 48.9 Al2O3: 15.4 Fe2O3(tot): 10.83
FeO(tot): Fe2O3: FeO :
MgO : 7.87 CaO : 11.64 Na2O : 2.69
K2O : 0.11 TiO2 : 1.84 MnO : 0.17
P2O5 : 0.20 LOI : 0.64 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 562.50 Piece: 12A
Hole: 474A Top/Bottom Interval(mm): 1000/1030
Core: 44 Sample Depth: 563.52
Sect: 1 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Moderate IGNEOUS APHYRIC BASALT
SiO2 : 48.8 Al2O3: 15.5 Fe2O3(tot): 11.58
FeO(tot): Fe2O3: FeO :
MgO : 6.34 CaO : 12.10 Na2O : 2.56
K2O : 0.06 TiO2 : 1.95 MnO : 0.23
P2O5 : 0.16 LOI : 0.62 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.86 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 562.50 Piece:
Hole: 474A Top/Bottom Interval(mm): 340/ 380
Core: 44 Sample Depth: 564.36
Sect: 2 Analyst Name: Fornari, D.
Analytical Method(s):
Electron microprobe Electron microprobe Electron microprobe
Alteration Rock type Rock name
IGNEOUS BASALTIC GLASS
SiO2 : 50.7 Al2O3: 14.89 Fe2O3(tot):
FeO(tot): Fe2O3: 1.04 FeO : 9.31
MgO : 7.45 CaO : 11.24 Na2O : 2.78
K2O : 0.18 TiO2 : 1.73 MnO : 0.18
P2O5 : 0.12 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: Magnesium#: .588
Comments: CR2O3 = .04
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
Values for iron partitioning calculated.
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.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.
Leg : 64 Depth to Top of Core(m): 562.50 Piece: 8B
Hole: 474A Top/Bottom Interval(mm): 630/ 650
Core: 44 Sample Depth: 564.64
Sect: 2 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG-CPX PHYRIC BASALT
SiO2 : 49.3 Al2O3: 15.7 Fe2O3(tot): 10.83
FeO(tot): Fe2O3: FeO :
MgO : 6.25 CaO : 12.05 Na2O : 2.63
K2O : 0.06 TiO2 : 1.94 MnO : 0.22
P2O5 : 0.18 LOI : 0.62 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 562.50 Piece: 5B
Hole: 474A Top/Bottom Interval(mm): 350/ 0
Core: 44 Sample Depth: 565.85
Sect: 3 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Slight IGNEOUS PLAG-SPINEL PHYRIC BASALT
SiO2 : 49.3 Al2O3: 15.5 Fe2O3(tot): 10.44
FeO(tot): Fe2O3: FeO :
MgO : 7.26 CaO : 11.45 Na2O : 2.62
K2O : 0.07 TiO2 : 2.00 MnO : 0.20
P2O5 : 0.19 LOI : 0.92 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 562.50 Piece: 5E
Hole: 474A Top/Bottom Interval(mm): 580/ 0
Core: 44 Sample Depth: 566.08
Sect: 3 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG-SPINEL PHYRIC BASALT
SiO2 : 49.3 Al2O3: 15.7 Fe2O3(tot): 11.37
FeO(tot): Fe2O3: FeO :
MgO : 6.03 CaO : 11.91 Na2O : 2.64
K2O : 0.07 TiO2 : 1.86 MnO : 0.18
P2O5 : 0.15 LOI : 0.62 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.85 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 562.50 Piece:
Hole: 474A Top/Bottom Interval(mm): 920/ 0
Core: 44 Sample Depth: 567.92
Sect: 4 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG-SPINEL PHYRIC BASALT
SiO2 : 49.4 Al2O3: 15.8 Fe2O3(tot): 11.19
FeO(tot): Fe2O3: FeO :
MgO : 6.32 CaO : 11.74 Na2O : 2.54
K2O : 0.07 TiO2 : 1.90 MnO : 0.18
P2O5 : 0.21 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.39 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 562.50 Piece: 6B
Hole: 474A Top/Bottom Interval(mm): 370/ 0
Core: 44 Sample Depth: 568.87
Sect: 5 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS APHYRIC BASALT
SiO2 : 49.6 Al2O3: 16.1 Fe2O3(tot): 11.13
FeO(tot): Fe2O3: FeO :
MgO : 6.25 CaO : 11.62 Na2O : 2.61
K2O : 0.11 TiO2 : 1.87 MnO : 0.18
P2O5 : 0.17 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.56 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 572.00 Piece: 2F
Hole: 474A Top/Bottom Interval(mm): 990/ 0
Core: 45 Sample Depth: 572.99
Sect: 1 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS APHYRIC BASALT
SiO2 : 48.8 Al2O3: 16.0 Fe2O3(tot): 11.16
FeO(tot): Fe2O3: FeO :
MgO : 7.30 CaO : 11.29 Na2O : 2.65
K2O : 0.15 TiO2 : 1.85 MnO : 0.17
P2O5 : 0.20 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.64 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 572.00 Piece: 3
Hole: 474A Top/Bottom Interval(mm): 660/ 0
Core: 45 Sample Depth: 574.16
Sect: 2 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS APHYRIC BASALT
SiO2 : 49.0 Al2O3: 15.7 Fe2O3(tot): 10.94
FeO(tot): Fe2O3: FeO :
MgO : 7.51 CaO : 10.92 Na2O : 2.49
K2O : 0.15 TiO2 : 1.85 MnO : 0.17
P2O5 : 0.23 LOI : 0.91 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.87 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 572.00 Piece: 2A
Hole: 474A Top/Bottom Interval(mm): 810/ 0
Core: 45 Sample Depth: 575.81
Sect: 3 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS APHYRIC BASALT
SiO2 : 49.6 Al2O3: 16.1 Fe2O3(tot): 10.78
FeO(tot): Fe2O3: FeO :
MgO : 6.65 CaO : 11.59 Na2O : 2.69
K2O : 0.15 TiO2 : 1.78 MnO : 0.17
P2O5 : 0.22 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.75 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 572.00 Piece: 3B
Hole: 474A Top/Bottom Interval(mm): 640/ 0
Core: 45 Sample Depth: 577.14
Sect: 4 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS APHYRIC BASALT
SiO2 : 49.2 Al2O3: 16.2 Fe2O3(tot): 10.83
FeO(tot): Fe2O3: FeO :
MgO : 6.50 CaO : 11.53 Na2O : 2.77
K2O : 0.12 TiO2 : 1.83 MnO : 0.14
P2O5 : 0.20 LOI : 0.53 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.79 Magnesium#:
Comments: PLAG PHYRIC DOLERITE
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 572.00 Piece: 6A
Hole: 474A Top/Bottom Interval(mm): 400/ 420
Core: 45 Sample Depth: 578.41
Sect: 5 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS APHYRIC BASALT
SiO2 : 49.7 Al2O3: 15.9 Fe2O3(tot): 10.81
FeO(tot): Fe2O3: FeO :
MgO : 6.70 CaO : 11.32 Na2O : 2.67
K2O : 0.13 TiO2 : 1.78 MnO : 0.14
P2O5 : 0.22 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.41 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 572.00 Piece: 3
Hole: 474A Top/Bottom Interval(mm): 610/ 0
Core: 45 Sample Depth: 580.11
Sect: 6 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS APHYRIC BASALT
SiO2 : 49.4 Al2O3: 16.0 Fe2O3(tot): 10.60
FeO(tot): Fe2O3: FeO :
MgO : 6.51 CaO : 11.30 Na2O : 2.65
K2O : 0.14 TiO2 : 1.71 MnO : 0.16
P2O5 : 0.21 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 98.68 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 581.00 Piece: 2F
Hole: 474A Top/Bottom Interval(mm): 1100/1120
Core: 46 Sample Depth: 582.11
Sect: 1 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG MODERATELY PHYRIC BASALT
SiO2 : 49.4 Al2O3: 16.0 Fe2O3(tot): 10.86
FeO(tot): Fe2O3: FeO :
MgO : 7.25 CaO : 11.49 Na2O : 2.70
K2O : 0.15 TiO2 : 1.77 MnO : 0.16
P2O5 : 0.21 LOI : 0.39 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 100.35 Magnesium#:
Comments: ALTERATION RESTRICTED TO REPLACEMENT OF OL BY CLAY.MIN
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 581.00 Piece: 3
Hole: 474A Top/Bottom Interval(mm): 260/ 290
Core: 46 Sample Depth: 582.78
Sect: 2 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG PHYRIC BASALT
SiO2 : 49.1 Al2O3: 16.9 Fe2O3(tot): 10.08
FeO(tot): Fe2O3: FeO :
MgO : 6.90 CaO : 12.57 Na2O : 2.32
K2O : 0.12 TiO2 : 1.44 MnO : 0.16
P2O5 : 0.09 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.62 Magnesium#:
Comments: PLAG MEGACRYSTS (TO 1 CM)
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 581.00 Piece: 8A
Hole: 474A Top/Bottom Interval(mm): 550/ 0
Core: 46 Sample Depth: 583.05
Sect: 2 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG-OL-CPX PHYRIC BASALT
SiO2 : 48.5 Al2O3: 16.2 Fe2O3(tot): 10.32
FeO(tot): Fe2O3: FeO :
MgO : 7.95 CaO : 12.31 Na2O : 2.39
K2O : 0.08 TiO2 : 1.47 MnO : 0.17
P2O5 : 0.10 LOI : 0.54 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 100.01 Magnesium#:
Comments: PLAG MEGACRYSTS (TO 1 CM)
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 581.00 Piece:
Hole: 474A Top/Bottom Interval(mm): 1120/1120
Core: 46 Sample Depth: 583.62
Sect: 2 Analyst Name: Fornari, D.
Analytical Method(s):
Electron microprobe Electron microprobe Electron microprobe
Alteration Rock type Rock name
IGNEOUS BASALTIC GLASS
SiO2 : 49.06 Al2O3: 16.62 Fe2O3(tot):
FeO(tot): Fe2O3: 1.02 FeO : 9.20
MgO : 7.86 CaO : 11.21 Na2O : 2.63
K2O : 0.23 TiO2 : 1.70 MnO : 0.20
P2O5 : 0.11 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: Magnesium#: .604
Comments: CR2O3 = .05
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
Values for iron partitioning calculated.
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.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.
Leg : 64 Depth to Top of Core(m): 581.00 Piece: 11B
Hole: 474A Top/Bottom Interval(mm): 1230/ 0
Core: 46 Sample Depth: 583.73
Sect: 2 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG-OL-CPX PHYRIC BASALT
SiO2 : 48.8 Al2O3: 16.4 Fe2O3(tot): 10.29
FeO(tot): Fe2O3: FeO :
MgO : 7.45 CaO : 12.58 Na2O : 2.39
K2O : 0.08 TiO2 : 1.50 MnO : 0.16
P2O5 : 0.11 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.78 Magnesium#:
Comments: SOME MEGACRYSTS OF PLAG + CPX ARE OBSERVED,MINOR ALT.
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 581.00 Piece: 10
Hole: 474A Top/Bottom Interval(mm): 740/ 0
Core: 46 Sample Depth: 584.74
Sect: 3 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS APHYRIC BASALT
SiO2 : 48.0 Al2O3: 17.0 Fe2O3(tot): 9.80
FeO(tot): Fe2O3: FeO :
MgO : 7.60 CaO : 12.39 Na2O : 2.34
K2O : 0.09 TiO2 : 1.37 MnO : 0.16
P2O5 : 0.09 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 98.88 Magnesium#:
Comments: PLAG MEGACRYSTS
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 590.00 Piece: 8
Hole: 474A Top/Bottom Interval(mm): 540/ 0
Core: 47 Sample Depth: 590.54
Sect: 1 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG PHYRIC BASALT
SiO2 : 48.5 Al2O3: 17.3 Fe2O3(tot): 9.75
FeO(tot): Fe2O3: FeO :
MgO : 7.55 CaO : 12.44 Na2O : 2.57
K2O : 0.09 TiO2 : 1.43 MnO : 0.17
P2O5 : 0.11 LOI : 0.06 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.97 Magnesium#:
Comments: ALTERATION (VERY SLIGHT) RESTRICTED TO VEIN
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 590.00 Piece: 18
Hole: 474A Top/Bottom Interval(mm): 1270/ 0
Core: 47 Sample Depth: 591.27
Sect: 1 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG PHYRIC BASALT
SiO2 : 49.0 Al2O3: 17.3 Fe2O3(tot): 9.52
FeO(tot): Fe2O3: FeO :
MgO : 7.50 CaO : 12.16 Na2O : 2.44
K2O : 0.08 TiO2 : 1.40 MnO : 0.16
P2O5 : 0.12 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.62 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 590.00 Piece: 5A
Hole: 474A Top/Bottom Interval(mm): 460/ 480
Core: 47 Sample Depth: 591.97
Sect: 2 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG PHYRIC BASALT
SiO2 : 48.6 Al2O3: 16.9 Fe2O3(tot): 9.93
FeO(tot): Fe2O3: FeO :
MgO : 7.60 CaO : 12.07 Na2O : 2.60
K2O : 0.10 TiO2 : 1.47 MnO : 0.16
P2O5 : 0.12 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.60 Magnesium#:
Comments: 10-15% PLAG MEGACRYSTS (0.5-1.0 CM WIDE)
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 590.00 Piece: 4
Hole: 474A Top/Bottom Interval(mm): 550/ 0
Core: 47 Sample Depth: 593.55
Sect: 3 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG PHYRIC BASALT
SiO2 : 48.5 Al2O3: 17.0 Fe2O3(tot): 9.79
FeO(tot): Fe2O3: FeO :
MgO : 7.75 CaO : 12.25 Na2O : 2.51
K2O : 0.08 TiO2 : 1.41 MnO : 0.16
P2O5 : 0.11 LOI : 0.33 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.91 Magnesium#:
Comments: 10-15% PLAG MEGACRYSTS (0.5-1.5 CM)
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 590.00 Piece: 9B
Hole: 474A Top/Bottom Interval(mm): 1400/1430
Core: 47 Sample Depth: 595.92
Sect: 4 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG PHYRIC BASALT
SiO2 : 48.1 Al2O3: 17.3 Fe2O3(tot): 9.76
FeO(tot): Fe2O3: FeO :
MgO : 7.70 CaO : 12.38 Na2O : 2.53
K2O : 0.08 TiO2 : 1.43 MnO : 0.16
P2O5 : 0.11 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.49 Magnesium#:
Comments: 10-15% PLAG MEGACRYSTS (0.5-1.5 CM)
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 599.00 Piece: 9
Hole: 474A Top/Bottom Interval(mm): 1010/1030
Core: 48 Sample Depth: 600.02
Sect: 1 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG PHYRIC BASALT
SiO2 : 48.3 Al2O3: 16.4 Fe2O3(tot): 10.61
FeO(tot): Fe2O3: FeO :
MgO : 7.50 CaO : 12.31 Na2O : 2.42
K2O : 0.11 TiO2 : 1.59 MnO : 0.17
P2O5 : 0.10 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.45 Magnesium#:
Comments: PLAG MEGACRYSTS,PILLOW 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 599.00 Piece:
Hole: 474A Top/Bottom Interval(mm): 1380/1380
Core: 48 Sample Depth: 600.38
Sect: 1 Analyst Name: Fornari, D.
Analytical Method(s):
Electron microprobe Electron microprobe Electron microprobe
Alteration Rock type Rock name
IGNEOUS BASALTIC GLASS
SiO2 : 49.07 Al2O3: 16.13 Fe2O3(tot):
FeO(tot): Fe2O3: 1.06 FeO : 9.52
MgO : 7.56 CaO : 11.24 Na2O : 2.83
K2O : 0.22 TiO2 : 2.15 MnO : 0.14
P2O5 : 0.13 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: Magnesium#: .586
Comments: CR2O3 = 0
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
Values for iron partitioning calculated.
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.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.
Leg : 64 Depth to Top of Core(m): 599.00 Piece: 5
Hole: 474A Top/Bottom Interval(mm): 420/ 0
Core: 48 Sample Depth: 600.92
Sect: 2 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG PHYRIC BASALT
SiO2 : 48.5 Al2O3: 17.4 Fe2O3(tot): 9.75
FeO(tot): Fe2O3: FeO :
MgO : 7.40 CaO : 12.34 Na2O : 2.48
K2O : 0.10 TiO2 : 1.48 MnO : 0.15
P2O5 : 0.12 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.69 Magnesium#:
Comments: PLAG MEGACRYSTS,PILLOW 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 599.00 Piece:
Hole: 474A Top/Bottom Interval(mm): 930/ 930
Core: 48 Sample Depth: 601.43
Sect: 2 Analyst Name: Fornari, D.
Analytical Method(s):
Electron microprobe Electron microprobe Electron microprobe
Alteration Rock type Rock name
IGNEOUS BASALTIC GLASS
SiO2 : 50.42 Al2O3: 14.90 Fe2O3(tot):
FeO(tot): Fe2O3: 1.00 FeO : 9.02
MgO : 7.42 CaO : 11.61 Na2O : 2.67
K2O : 0.20 TiO2 : 1.71 MnO : 0.16
P2O5 : 0.10 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: Magnesium#: .595
Comments: CR2O3 = .04
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
Values for iron partitioning calculated.
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.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.
Leg : 64 Depth to Top of Core(m): 599.00 Piece:
Hole: 474A Top/Bottom Interval(mm): 10/ 20
Core: 48 Sample Depth: 602.02
Sect: 3 Analyst Name: Fornari, D.
Analytical Method(s):
Electron microprobe Electron microprobe Electron microprobe
Alteration Rock type Rock name
IGNEOUS BASALTIC GLASS
SiO2 : 49.89 Al2O3: 15.40 Fe2O3(tot):
FeO(tot): Fe2O3: 1.04 FeO : 9.36
MgO : 7.56 CaO : 11.64 Na2O : 2.70
K2O : 0.20 TiO2 : 1.73 MnO : 0.17
P2O5 : 0.09 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: Magnesium#: .590
Comments: CR2O3 = .04
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
Values for iron partitioning calculated.
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.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.
Leg : 64 Depth to Top of Core(m): 599.00 Piece: 2B
Hole: 474A Top/Bottom Interval(mm): 250/ 0
Core: 48 Sample Depth: 602.25
Sect: 3 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG-CPX-OL PHYRIC BASALT
SiO2 : 48.6 Al2O3: 16.9 Fe2O3(tot): 10.00
FeO(tot): Fe2O3: FeO :
MgO : 7.72 CaO : 12.25 Na2O : 2.46
K2O : 0.09 TiO2 : 1.51 MnO : 0.16
P2O5 : 0.11 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.77 Magnesium#:
Comments: ABUNDANT 0.5-1 CM PLAG MEGACRYSTS,PILLOW 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 599.00 Piece: 1B
Hole: 474A Top/Bottom Interval(mm): 140/ 0
Core: 48 Sample Depth: 603.64
Sect: 4 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG-CPX-OL PHYRIC BASALT
SiO2 : 48.1 Al2O3: 17.1 Fe2O3(tot): 9.87
FeO(tot): Fe2O3: FeO :
MgO : 7.10 CaO : 12.63 Na2O : 2.31
K2O : 0.08 TiO2 : 1.51 MnO : 0.17
P2O5 : 0.11 LOI : 0.88 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.86 Magnesium#:
Comments: ABUNDANT 0.5-1 CM PLAG MEGACRYSTS,PILLOW 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 599.00 Piece:
Hole: 474A Top/Bottom Interval(mm): 820/ 820
Core: 48 Sample Depth: 604.32
Sect: 4 Analyst Name: Fornari, D.
Analytical Method(s):
Electron microprobe Electron microprobe Electron microprobe
Alteration Rock type Rock name
IGNEOUS BASALTIC GLASS
SiO2 : 49.38 Al2O3: 15.61 Fe2O3(tot):
FeO(tot): Fe2O3: 1.13 FeO : 10.15
MgO : 7.16 CaO : 10.91 Na2O : 2.88
K2O : 0.26 TiO2 : 2.13 MnO : 0.19
P2O5 : 0.19 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: Magnesium#: .557
Comments: CR2O3 = .02
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
Values for iron partitioning calculated.
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.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.
Leg : 64 Depth to Top of Core(m): 608.00 Piece:
Hole: 474A Top/Bottom Interval(mm): 20/ 30
Core: 49 Sample Depth: 608.03
Sect: 1 Analyst Name: Fornari, D.
Analytical Method(s):
Electron microprobe Electron microprobe Electron microprobe
Alteration Rock type Rock name
IGNEOUS BASALTIC GLASS
SiO2 : 50.27 Al2O3: 16.10 Fe2O3(tot):
FeO(tot): Fe2O3: 1.06 FeO : 9.52
MgO : 6.60 CaO : 10.25 Na2O : 2.88
K2O : 0.25 TiO2 : 2.15 MnO : 0.20
P2O5 : 0.14 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: Magnesium#: .553
Comments: CR2O3 = .04
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
Values for iron partitioning calculated.
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.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.
Leg : 64 Depth to Top of Core(m): 608.00 Piece: 3
Hole: 474A Top/Bottom Interval(mm): 190/ 0
Core: 49 Sample Depth: 609.69
Sect: 2 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG PHYRIC BASALT
SiO2 : 49.2 Al2O3: 16.3 Fe2O3(tot): 11.03
FeO(tot): Fe2O3: FeO :
MgO : 6.55 CaO : 11.75 Na2O : 2.60
K2O : 0.14 TiO2 : 1.87 MnO : 0.17
P2O5 : 0.14 LOI : 0.11 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.86 Magnesium#:
Comments: 10% PLAG MEGACRYSTS (2 MM-1.5 CM),PILLOW 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 608.00 Piece:
Hole: 474A Top/Bottom Interval(mm): 310/ 350
Core: 49 Sample Depth: 609.83
Sect: 2 Analyst Name: Fornari, D.
Analytical Method(s):
Electron microprobe Electron microprobe Electron microprobe
Alteration Rock type Rock name
IGNEOUS BASALTIC GLASS
SiO2 : 49.68 Al2O3: 14.94 Fe2O3(tot):
FeO(tot): Fe2O3: 1.18 FeO : 10.62
MgO : 6.85 CaO : 10.90 Na2O : 2.67
K2O : 0.32 TiO2 : 2.35 MnO : 0.16
P2O5 : 0.22 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: Magnesium#: .535
Comments: CR2O3 = .01
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
Values for iron partitioning calculated.
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.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.
Leg : 64 Depth to Top of Core(m): 608.00 Piece: 9B
Hole: 474A Top/Bottom Interval(mm): 1330/1360
Core: 49 Sample Depth: 612.35
Sect: 3 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG-CPX PHYRIC BASALT
SiO2 : 48.4 Al2O3: 16.1 Fe2O3(tot): 11.61
FeO(tot): Fe2O3: FeO :
MgO : 6.90 CaO : 11.70 Na2O : 2.71
K2O : 0.15 TiO2 : 2.04 MnO : 0.21
P2O5 : 0.16 LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.95 Magnesium#:
Comments: PLAG MEGACRYSTS TO 1.5 CM,PILLOW 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 617.00 Piece: 5C
Hole: 474A Top/Bottom Interval(mm): 510/ 0
Core: 50 Sample Depth: 619.01
Sect: 2 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG PHYRIC BASALT
SiO2 : 48.7 Al2O3: 15.6 Fe2O3(tot): 11.09
FeO(tot): Fe2O3: FeO :
MgO : 6.65 CaO : 11.50 Na2O : 2.75
K2O : 0.10 TiO2 : 2.44 MnO : 0.22
P2O5 : 0.20 LOI : 0.83 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 100.13 Magnesium#:
Comments: PLAG MEGACRYSTS TO 1 CM WIDE
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 617.00 Piece: 8
Hole: 474A Top/Bottom Interval(mm): 910/ 0
Core: 50 Sample Depth: 620.91
Sect: 3 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS PLAG MODERATELY PHYRIC BASALT
SiO2 : 49.3 Al2O3: 15.2 Fe2O3(tot): 12.08
FeO(tot): Fe2O3: FeO :
MgO : 6.70 CaO : 10.85 Na2O : 2.82
K2O : 0.14 TiO2 : 2.35 MnO : 0.17
P2O5 : 0.23 LOI : 0.21 H2O+ :
H2O- : CO2 : SO3 :
S : Total: 99.93 Magnesium#:
Comments: NO MEGACRYSTS
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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 : 64 Depth to Top of Core(m): 617.00 Piece: 1A
Hole: 474A Top/Bottom Interval(mm): 10/ 40
Core: 50 Sample Depth: 621.53
Sect: 4 Analyst Name:
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Moderate IGNEOUS APHYRIC BASALT
SiO2 : 48.7 Al2O3: 15.2 Fe2O3(tot): 11.66
FeO(tot): Fe2O3: FeO :
MgO : 7.25 CaO : 10.84 Na2O : 2.80
K2O : 0.23 TiO2 : 2.27 MnO : 0.16
P2O5 : 0.26 LOI : 0.50 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.
Fe oxide partitions not specified or analyzed.
H2O+ uncorrected for iron oxidation.
Laboratory analysis.
Data source is Hole Summary Book.
Results are averages for multiple analyses of the specimen.
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.
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