Leg : 81 Depth to Top of Core(m): 680.00 Piece: 2C
Hole: 555 Top/Bottom Interval(mm): 1130/1160
Core: 69 Sample Depth: 682.65
Sect: 2 Analyst Name: Hutchison, D.
Analytical Method(s):
Wet chemical Wet chemical Wet chemical
Alteration Rock type Rock name
IGNEOUS BASALT
SiO2 : 49.9 Al2O3: 14.0 Fe2O3(tot):
FeO(tot): Fe2O3: 3.82 FeO : 8.61
MgO : 5.96 CaO : 11.4 Na2O : 2.60
K2O : 0.11 TiO2 : 1.68 MnO : 0.42
P2O5 : 0.14 LOI : H2O+ : 1.40
H2O- : 1.33 CO2 : 0.26 SO3 :
S : Total: 100.30 Magnesium#:
Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Leg : 81 Depth to Top of Core(m): 680.00 Piece: 2
Hole: 555 Top/Bottom Interval(mm): 370/ 390
Core: 69 Sample Depth: 683.38
Sect: 3 Analyst Name: Richardson, C.
Analytical Method(s):
Atomic absorption Atomic absorption Atomic absorption
Alteration Rock type Rock name
IGNEOUS GLOMEROPHYRIC BASALT
SiO2 : 49.2 Al2O3: 14.4 Fe2O3(tot): 13.3
FeO(tot): Fe2O3: 3.64 FeO : 8.69
MgO : 6.40 CaO : 10.9 Na2O : 2.52
K2O : 0.04 TiO2 : 1.71 MnO : 0.23
P2O5 : 0.12 LOI : H2O+ : 1.53
H2O- : CO2 : SO3 :
S : Total: 99.38 Magnesium#: 0.49
Comments:
Analysis NOT normalized to 100 1n source.
Total water not directly determined.
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 : 81 Depth to Top of Core(m): 746.50 Piece: 2D
Hole: 555 Top/Bottom Interval(mm): 850/ 870
Core: 76 Sample Depth: 747.36
Sect: 1 Analyst Name: Richardson, C.
Analytical Method(s):
Atomic absorption Atomic absorption Atomic absorption
Alteration Rock type Rock name
IGNEOUS GLOMEROPHYRIC BASALT
SiO2 : 48.3 Al2O3: 13.9 Fe2O3(tot): 11.4
FeO(tot): Fe2O3: 3.76 FeO : 6.88
MgO : 7.96 CaO : 11.9 Na2O : 2.61
K2O : 0.09 TiO2 : 1.06 MnO : 0.23
P2O5 : 0.06 LOI : H2O+ : 2.44
H2O- : CO2 : SO3 :
S : Total: 99.19 Magnesium#: 0.54
Comments:
Analysis NOT normalized to 100 1n source.
Total water not directly determined.
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 : 81 Depth to Top of Core(m): 756.00 Piece:
Hole: 555 Top/Bottom Interval(mm): 740/ 770
Core: 77 Sample Depth: 761.26
Sect: 4 Analyst Name: Hutchison, D.
Analytical Method(s):
Wet chemical Wet chemical Wet chemical
Alteration Rock type Rock name
IGNEOUS TUFF
SiO2 : 47.1 Al2O3: 12.4 Fe2O3(tot):
FeO(tot): Fe2O3: 9.66 FeO : 3.22
MgO : 9.49 CaO : 2.8 Na2O : 4.82
K2O : 0.12 TiO2 : 1.26 MnO : 0.26
P2O5 : 0.08 LOI : H2O+ : 8.86
H2O- : 9.20 CO2 : 0.34 SO3 :
S : Total: 100.41 Magnesium#:
Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Leg : 81 Depth to Top of Core(m): 803.50 Piece: 1
Hole: 555 Top/Bottom Interval(mm): 20/ 40
Core: 82 Sample Depth: 805.03
Sect: 2 Analyst Name: Richardson, C.
Analytical Method(s):
Atomic absorption Atomic absorption Atomic absorption
Alteration Rock type Rock name
IGNEOUS BASALT
SiO2 : 50.0 Al2O3: 12.8 Fe2O3(tot): 10.6
FeO(tot): Fe2O3: 3.07 FeO : 6.78
MgO : 7.75 CaO : 10.3 Na2O : 2.22
K2O : 2.20 TiO2 : 1.27 MnO : 0.22
P2O5 : 0.08 LOI : H2O+ : 2.32
H2O- : CO2 : SO3 :
S : Total: 99.01 Magnesium#: 0.59
Comments:
Analysis NOT normalized to 100 1n source.
Total water not directly determined.
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 : 81 Depth to Top of Core(m): 879.50 Piece: 2
Hole: 555 Top/Bottom Interval(mm): 1250/1280
Core: 90 Sample Depth: 880.77
Sect: 1 Analyst Name: Hutchison, D.
Analytical Method(s):
Wet chemical Wet chemical Wet chemical
Alteration Rock type Rock name
IGNEOUS BASALT
SiO2 : 49.5 Al2O3: 13.2 Fe2O3(tot):
FeO(tot): Fe2O3: 5.81 FeO : 7.20
MgO : 6.99 CaO : 10.9 Na2O : 2.42
K2O : 0.07 TiO2 : 1.34 MnO : 0.39
P2O5 : 0.08 LOI : H2O+ : 2.13
H2O- : 2.26 CO2 : 0.00 SO3 :
S : Total: 100.03 Magnesium#:
Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Leg : 81 Depth to Top of Core(m): 927.00 Piece: 3B
Hole: 555 Top/Bottom Interval(mm): 400/ 430
Core: 95 Sample Depth: 927.42
Sect: 1 Analyst Name: Hutchison, D.
Analytical Method(s):
Wet chemical Wet chemical Wet chemical
Alteration Rock type Rock name
IGNEOUS OLIVINE-DOLERITE
SiO2 : 49.7 Al2O3: 13.9 Fe2O3(tot):
FeO(tot): Fe2O3: 2.82 FeO : 8.79
MgO : 7.50 CaO : 12.5 Na2O : 2.10
K2O : 0.09 TiO2 : 1.08 MnO : 0.34
P2O5 : 0.08 LOI : H2O+ : 1.19
H2O- : 0.56 CO2 : 0.10 SO3 :
S : Total: 99.49 Magnesium#:
Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Leg : 81 Depth to Top of Core(m): 936.50 Piece: 6
Hole: 555 Top/Bottom Interval(mm): 950/ 980
Core: 96 Sample Depth: 938.97
Sect: 2 Analyst Name: Hutchison, D.
Analytical Method(s):
Wet chemical Wet chemical Wet chemical
Alteration Rock type Rock name
IGNEOUS OLIVINE-DOLERITE
SiO2 : 49.6 Al2O3: 13.8 Fe2O3(tot):
FeO(tot): Fe2O3: 3.62 FeO : 8.22
MgO : 7.25 CaO : 12.4 Na2O : 2.11
K2O : 0.09 TiO2 : 1.15 MnO : 0.40
P2O5 : 0.08 LOI : H2O+ : 1.37
H2O- : 0.66 CO2 : 0.00 SO3 :
S : Total: 100.09 Magnesium#:
Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Leg : 81 Depth to Top of Core(m): 936.50 Piece: 10
Hole: 555 Top/Bottom Interval(mm): 1080/1100
Core: 96 Sample Depth: 943.59
Sect: 5 Analyst Name: Hutchison, D.
Analytical Method(s):
Wet chemical Wet chemical Wet chemical
Alteration Rock type Rock name
IGNEOUS OLIVINE-DOLERITE
SiO2 : 49.6 Al2O3: 14.1 Fe2O3(tot):
FeO(tot): Fe2O3: 3.26 FeO : 8.16
MgO : 7.76 CaO : 12.5 Na2O : 2.18
K2O : 0.06 TiO2 : 1.07 MnO : 0.39
P2O5 : 0.06 LOI : H2O+ : 2.12
H2O- : 0.94 CO2 : 0.00 SO3 :
S : Total: 101.26 Magnesium#:
Comments:
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Leg : 81 Depth to Top of Core(m): 946.00 Piece: 2
Hole: 555 Top/Bottom Interval(mm): 360/ 390
Core: 97 Sample Depth: 949.38
Sect: 3 Analyst Name: Hutchison, D.
Analytical Method(s):
Wet chemical Wet chemical Wet chemical
Alteration Rock type Rock name
IGNEOUS OLIVINE-DOLERITE
SiO2 : 50.3 Al2O3: 13.7 Fe2O3(tot):
FeO(tot): Fe2O3: 4.16 FeO : 8.23
MgO : 6.31 CaO : 12.2 Na2O : 2.50
K2O : 0.05 TiO2 : 1.42 MnO : 0.34
P2O5 : 0.08 LOI : H2O+ : 1.15
H2O- : 1.17 CO2 : 0.06 SO3 :
S : 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.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
Leg : 81 Depth to Top of Core(m): 946.00 Piece: 2
Hole: 555 Top/Bottom Interval(mm): 800/ 830
Core: 97 Sample Depth: 954.32
Sect: 6 Analyst Name: Hutchison, D.
Analytical Method(s):
Wet chemical Wet chemical Wet chemical
Alteration Rock type Rock name
IGNEOUS OLIVINE-DOLERITE
SiO2 : 49.6 Al2O3: 14.2 Fe2O3(tot):
FeO(tot): Fe2O3: 3.43 FeO : 7.70
MgO : 7.74 CaO : 12.6 Na2O : 2.13
K2O : 0.05 TiO2 : 1.01 MnO : 0.35
P2O5 : 0.07 LOI : H2O+ : 1.62
H2O- : 1.18 CO2 : 0.05 SO3 :
S : 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.
Laboratory analysis.
Data source is Initial Reports.
ship and at one or more shore laboratories or by different techniques.
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