Leg : 81 Depth to Top of Core(m): 133.00 Piece: 6
Hole: 554A Top/Bottom Interval(mm): 630/ 660
Core: 7 Sample Depth: 133.64
Sect: 1 Analyst Name: Hutchison, D.
Analytical Method(s):
Wet chemical Wet chemical Wet chemical
Alteration Rock type Rock name
Fresh IGNEOUS BASALT
SiO2 : 50.8 Al2O3: 13.6 Fe2O3(tot):
FeO(tot): Fe2O3: 6.34 FeO : 6.87
MgO : 6.58 CaO : 11.4 Na2O : 2.14
K2O : 0.34 TiO2 : 1.08 MnO : 0.30
P2O5 : 0.08 LOI : H2O+ : 0.74
H2O- : 0.74 CO2 : 0.06 SO3 :
S : Total: 100.33 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): 133.00 Piece: 5A
Hole: 554A Top/Bottom Interval(mm): 660/ 690
Core: 7 Sample Depth: 135.18
Sect: 2 Analyst Name: Joron, J.L.
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Fresh IGNEOUS APHYRIC BASALT
SiO2 : 49.68 Al2O3: 13.51 Fe2O3(tot): 14.71
FeO(tot): Fe2O3: FeO :
MgO : 6.76 CaO : 11.67 Na2O : 1.52
K2O : 0.32 TiO2 : 1.04 MnO : 0.21
P2O5 : 0.11 LOI : H2O+ : 0.07
H2O- : CO2 : SO3 :
S : Total: 99.60 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.
H2O is loss on ignition.
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 : 81 Depth to Top of Core(m): 133.00 Piece: 1
Hole: 554A Top/Bottom Interval(mm): 100/ 120
Core: 7 Sample Depth: 136.11
Sect: 3 Analyst Name: Hutchison, D.
Analytical Method(s):
Wet chemical Wet chemical Wet chemical
Alteration Rock type Rock name
Fresh IGNEOUS BASALT
SiO2 : 51.5 Al2O3: 14.0 Fe2O3(tot):
FeO(tot): Fe2O3: 3.85 FeO : 7.79
MgO : 6.70 CaO : 11.7 Na2O : 2.28
K2O : 0.19 TiO2 : 1.06 MnO : 0.31
P2O5 : 0.07 LOI : H2O+ : 0.77
H2O- : 0.77 CO2 : 0.02 SO3 :
S : Total: 100.24 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): 133.00 Piece: 3A
Hole: 554A Top/Bottom Interval(mm): 250/ 280
Core: 7 Sample Depth: 137.76
Sect: 4 Analyst Name: Hutchison, D.
Analytical Method(s):
Wet chemical Wet chemical Wet chemical
Alteration Rock type Rock name
Fresh IGNEOUS BASALT
SiO2 : 51.2 Al2O3: 13.8 Fe2O3(tot):
FeO(tot): Fe2O3: 3.85 FeO : 8.24
MgO : 6.67 CaO : 11.5 Na2O : 2.24
K2O : 0.24 TiO2 : 1.06 MnO : 0.34
P2O5 : 0.10 LOI : H2O+ : 0.72
H2O- : 0.72 CO2 : 0.04 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.
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): 133.00 Piece: 3B
Hole: 554A Top/Bottom Interval(mm): 270/ 290
Core: 7 Sample Depth: 137.78
Sect: 4 Analyst Name: Richardson, C.
Analytical Method(s):
Atomic absorption Atomic absorption Atomic absorption
Alteration Rock type Rock name
Fresh IGNEOUS APHYRIC BASALT
SiO2 : 50.1 Al2O3: 14.1 Fe2O3(tot): 13.2
FeO(tot): Fe2O3: 2.90 FeO : 9.27
MgO : 6.99 CaO : 11.4 Na2O : 2.28
K2O : 0.15 TiO2 : 1.12 MnO : 0.21
P2O5 : 0.07 LOI : H2O+ : 0.49
H2O- : CO2 : SO3 :
S : Total: 99.08 Magnesium#: 0.51
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): 133.00 Piece: 5
Hole: 554A Top/Bottom Interval(mm): 820/ 850
Core: 7 Sample Depth: 138.34
Sect: 4 Analyst Name: Joron, J.L.
Analytical Method(s):
X-Ray fluorescence X-Ray fluorescence X-Ray fluorescence
Alteration Rock type Rock name
Slight IGNEOUS APHYRIC BASALT
SiO2 : 50.20 Al2O3: 13.67 Fe2O3(tot): 13.48
FeO(tot): Fe2O3: FeO :
MgO : 7.00 CaO : 11.95 Na2O : 1.87
K2O : 0.16 TiO2 : 1.06 MnO : 0.21
P2O5 : 0.09 LOI : H2O+ : 0.13
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.
H2O is loss on ignition.
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 : 81 Depth to Top of Core(m): 199.50 Piece: 1
Hole: 554A Top/Bottom Interval(mm): 20/ 40
Core: 14 Sample Depth: 199.53
Sect: 1 Analyst Name: Richardson, C.
Analytical Method(s):
Atomic absorption Atomic absorption Atomic absorption
Alteration Rock type Rock name
Slight IGNEOUS APHYRIC BASALT
SiO2 : 48.3 Al2O3: 15.1 Fe2O3(tot): 14.2
FeO(tot): Fe2O3: 6.10 FeO : 7.29
MgO : 5.05 CaO : 11.7 Na2O : 2.38
K2O : 0.36 TiO2 : 1.16 MnO : 0.25
P2O5 : 0.13 LOI : H2O+ : 1.52
H2O- : CO2 : SO3 :
S : Total: 99.34 Magnesium#: 0.41
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): 199.50 Piece: 8A
Hole: 554A Top/Bottom Interval(mm): 750/ 770
Core: 14 Sample Depth: 200.26
Sect: 1 Analyst Name: Desprairies, A.
Analytical Method(s):
Energy dispersion Energy dispersion Energy dispersion
Alteration Rock type Rock name
Fresh IGNEOUS BASALT
SiO2 : 50.4 Al2O3: 13.90 Fe2O3(tot): 13.4
FeO(tot): Fe2O3: FeO :
MgO : 7.50 CaO : 11.60 Na2O : 1.70
K2O : 0.20 TiO2 : 1.10 MnO : 0.20
P2O5 : LOI : H2O+ :
H2O- : CO2 : SO3 :
S : Total: Magnesium#:
Comments:
Analysis normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
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.
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