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Core Data from the Deep Sea Drilling Project


Leg : 38    Depth to Top of Core(m):   377.50    Piece: 1
Hole: 344   Top/Bottom Interval(mm): 1140/1170
Core:  34   Sample Depth:   378.66
Sect:  1    Analyst Name: Kharin, G.

Analytical Method(s):
  Wet chemical  Wet chemical  Wet chemical

Alteration    Rock type    Rock name
Extensive     IGNEOUS      DOLERITE

SiO2    :  49.06    Al2O3:  16.87    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.88    FeO       :   5.53
MgO     :   8.85    CaO  :   9.76    Na2O      :   2.86
K2O     :   0.40    TiO2 :   1.50    MnO       :   0.18
P2O5    :   0.21    LOI  :   1.10    H2O+      :
H2O-    :           CO2  :   0.22    SO3       :
S       :   0.72    Total:           Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT 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 : 38    Depth to Top of Core(m):   377.50    Piece: 2
Hole: 344   Top/Bottom Interval(mm):  270/ 300
Core:  34   Sample Depth:   379.29
Sect:  2    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      DOLERITE

SiO2    :  48.19    Al2O3:  16.43    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.35    FeO       :   5.14
MgO     :   8.27    CaO  :   9.35    Na2O      :   2.79
K2O     :   0.64    TiO2 :   1.12    MnO       :   0.13
P2O5    :   0.14    LOI  :           H2O+      :   3.34
H2O-    :           CO2  :           SO3       :   0.30
S       :           Total:  98.19    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
H2O not partitioned.
Essential oxides quoted to .01
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.



Leg : 38    Depth to Top of Core(m):   377.50    Piece: 2
Hole: 344   Top/Bottom Interval(mm):  270/ 300
Core:  34   Sample Depth:   379.29
Sect:  2    Analyst Name: Ridley, W.

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

Alteration    Rock type    Rock name
Slight        IGNEOUS      DOLERITE

SiO2    :  47.21    Al2O3:  14.10    Fe2O3(tot):
FeO(tot):  17.08    Fe2O3:   1.89    FeO       :  15.38
MgO     :   6.65    CaO  :   4.49    Na2O      :   3.86
K2O     :   0.51    TiO2 :   3.52    MnO       :   0.31
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:  0.412

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
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 : 38    Depth to Top of Core(m):   377.50    Piece: 2
Hole: 344   Top/Bottom Interval(mm):  270/ 300
Core:  34   Sample Depth:   379.29
Sect:  2    Analyst Name: Schilling, J.-G.

Analytical Method(s):
  Inst neutron activ  Inst neutron activ  Inst neutron activ

Alteration    Rock type    Rock name
Slight        IGNEOUS      DOLERITE

SiO2    :           Al2O3:           Fe2O3(tot):
FeO(tot):   7.37    Fe2O3:           FeO       :
MgO     :           CaO  :           Na2O      :   3.09
K2O     :           TiO2 :           MnO       :
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:

Comments:
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.
Partial analysis.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 38    Depth to Top of Core(m):   377.50    Piece: 2
Hole: 344   Top/Bottom Interval(mm):  220/ 250
Core:  34   Sample Depth:   380.74
Sect:  3    Analyst Name: Kharin, G.

Analytical Method(s):
  Wet chemical  Wet chemical  Wet chemical

Alteration    Rock type    Rock name
Extensive     IGNEOUS      DOLERITE

SiO2    :  45.48    Al2O3:  17.65    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.11    FeO       :   4.75
MgO     :   6.49    CaO  :  10.87    Na2O      :   3.04
K2O     :   0.64    TiO2 :   1.36    MnO       :   0.21
P2O5    :   0.18    LOI  :   2.92    H2O+      :
H2O-    :           CO2  :   2.48    SO3       :
S       :   1.95    Total:           Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT 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 : 38    Depth to Top of Core(m):   377.50    Piece: 6
Hole: 344   Top/Bottom Interval(mm):  900/ 930
Core:  34   Sample Depth:   381.42
Sect:  3    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      DOLERITE

SiO2    :  47.41    Al2O3:  16.85    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.32    FeO       :   5.27
MgO     :   7.10    CaO  :  10.52    Na2O      :   3.06
K2O     :   0.55    TiO2 :   1.13    MnO       :   0.13
P2O5    :   0.15    LOI  :           H2O+      :   2.71
H2O-    :           CO2  :           SO3       :   0.31
S       :           Total:  97.51    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
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 : 38    Depth to Top of Core(m):   377.50    Piece: 4
Hole: 344   Top/Bottom Interval(mm):  700/ 730
Core:  34   Sample Depth:   382.72
Sect:  4    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      DOLERITE

SiO2    :  46.92    Al2O3:  16.40    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.46    FeO       :   4.92
MgO     :   7.62    CaO  :  11.00    Na2O      :   2.82
K2O     :   0.54    TiO2 :   1.09    MnO       :   0.14
P2O5    :   0.15    LOI  :           H2O+      :   2.46
H2O-    :           CO2  :           SO3       :   0.48
S       :           Total:  97.00    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
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 : 38    Depth to Top of Core(m):   387.00    Piece: 2
Hole: 344   Top/Bottom Interval(mm):  870/ 900
Core:  35   Sample Depth:   387.89
Sect:  1    Analyst Name: Kharin, G.

Analytical Method(s):
  Wet chemical  Wet chemical  Wet chemical

Alteration    Rock type    Rock name
Extensive     IGNEOUS      DOLERITE

SiO2    :  45.45    Al2O3:  16.68    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.93    FeO       :   4.15
MgO     :   7.48    CaO  :   9.99    Na2O      :   3.16
K2O     :   0.90    TiO2 :   1.45    MnO       :   0.17
P2O5    :   0.17    LOI  :   2.98    H2O+      :
H2O-    :           CO2  :   3.57    SO3       :
S       :   1.37    Total:           Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT 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 : 38    Depth to Top of Core(m):   387.00    Piece: 3
Hole: 344   Top/Bottom Interval(mm):  750/ 780
Core:  35   Sample Depth:   389.27
Sect:  2    Analyst Name: Kharin, G.

Analytical Method(s):
  Wet chemical  Wet chemical  Wet chemical

Alteration    Rock type    Rock name
Extensive     IGNEOUS      DOLERITE

SiO2    :  49.34    Al2O3:  16.27    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.06    FeO       :   4.42
MgO     :   8.21    CaO  :   9.03    Na2O      :   3.24
K2O     :   0.64    TiO2 :   1.32    MnO       :   0.19
P2O5    :   0.20    LOI  :   2.48    H2O+      :
H2O-    :           CO2  :   0.88    SO3       :
S       :   1.80    Total:           Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT 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 : 38    Depth to Top of Core(m):   387.00    Piece: 6
Hole: 344   Top/Bottom Interval(mm): 1420/1450
Core:  35   Sample Depth:   389.94
Sect:  2    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      DOLERITE

SiO2    :  48.70    Al2O3:  16.32    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.70    FeO       :   4.55
MgO     :   7.83    CaO  :   9.97    Na2O      :   2.97
K2O     :   0.75    TiO2 :   1.03    MnO       :   0.13
P2O5    :   0.16    LOI  :           H2O+      :   3.33
H2O-    :           CO2  :           SO3       :   0.23
S       :           Total:  98.67    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
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 : 38    Depth to Top of Core(m):   387.00    Piece: 4
Hole: 344   Top/Bottom Interval(mm):  360/ 390
Core:  35   Sample Depth:   391.88
Sect:  4    Analyst Name: Kharin, G.

Analytical Method(s):
  Wet chemical  Wet chemical  Wet chemical

Alteration    Rock type    Rock name
Extensive     IGNEOUS      DOLERITE

SiO2    :  50.70    Al2O3:  16.61    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.62    FeO       :   4.88
MgO     :   7.80    CaO  :  10.00    Na2O      :   3.16
K2O     :   0.46    TiO2 :   1.53    MnO       :   0.20
P2O5    :   0.20    LOI  :   1.38    H2O+      :
H2O-    :           CO2  :   1.35    SO3       :
S       :   0.05    Total:           Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT 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 : 38    Depth to Top of Core(m):   387.00    Piece: 7
Hole: 344   Top/Bottom Interval(mm):  870/ 900
Core:  35   Sample Depth:   392.39
Sect:  4    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      DOLERITE

SiO2    :  48.94    Al2O3:  16.43    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.40    FeO       :   5.41
MgO     :   7.70    CaO  :  10.58    Na2O      :   2.93
K2O     :   0.32    TiO2 :   1.21    MnO       :   0.14
P2O5    :   0.17    LOI  :           H2O+      :   3.22
H2O-    :           CO2  :           SO3       :   0.09
S       :           Total:  99.63    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
H2O not partitioned.
Essential oxides quoted to .01
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.



Leg : 38    Depth to Top of Core(m):   387.00    Piece: 7
Hole: 344   Top/Bottom Interval(mm):  870/ 900
Core:  35   Sample Depth:   392.39
Sect:  4    Analyst Name: Ridley, W.

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

Alteration    Rock type    Rock name
Slight        IGNEOUS      GABBRO-DOLERITE

SiO2    :  51.58    Al2O3:  15.98    Fe2O3(tot):
FeO(tot):   7.23    Fe2O3:   0.80    FeO       :   6.51
MgO     :   7.69    CaO  :  11.10    Na2O      :   2.82
K2O     :   0.47    TiO2 :   1.46    MnO       :   0.18
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:  0.656

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
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 : 38    Depth to Top of Core(m):   387.00    Piece: 7
Hole: 344   Top/Bottom Interval(mm):  870/ 900
Core:  35   Sample Depth:   392.39
Sect:  4    Analyst Name: Schilling, J.-G.

Analytical Method(s):
  Inst neutron activ  Inst neutron activ  Inst neutron activ

Alteration    Rock type    Rock name
Slight        IGNEOUS      GABBRO-DOLERITE

SiO2    :           Al2O3:           Fe2O3(tot):
FeO(tot):   7.16    Fe2O3:           FeO       :
MgO     :           CaO  :           Na2O      :   3.06
K2O     :           TiO2 :           MnO       :
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:

Comments:
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.
Partial analysis.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 38    Depth to Top of Core(m):   395.00    Piece: 6
Hole: 344   Top/Bottom Interval(mm):  800/ 820
Core:  36   Sample Depth:   395.81
Sect:  1    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      DOLERITE

SiO2    :  49.05    Al2O3:  15.83    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.07    FeO       :   6.19
MgO     :   7.37    CaO  :   9.88    Na2O      :   3.03
K2O     :   0.68    TiO2 :   1.26    MnO       :   0.15
P2O5    :   0.15    LOI  :           H2O+      :   3.08
H2O-    :           CO2  :           SO3       :   0.00
S       :           Total:  98.74    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
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 : 38    Depth to Top of Core(m):   395.00    Piece: 1
Hole: 344   Top/Bottom Interval(mm):  150/ 170
Core:  36   Sample Depth:   396.66
Sect:  2    Analyst Name: Kharin, G.

Analytical Method(s):
  Wet chemical  Wet chemical  Wet chemical

Alteration    Rock type    Rock name
Extensive     IGNEOUS      DOLERITE

SiO2    :  50.58    Al2O3:  16.08    Fe2O3(tot):
FeO(tot):           Fe2O3:   4.47    FeO       :   5.72
MgO     :   7.24    CaO  :   9.59    Na2O      :   3.34
K2O     :   0.40    TiO2 :   1.78    MnO       :   0.21
P2O5    :   0.19    LOI  :   0.65    H2O+      :
H2O-    :           CO2  :   0.22    SO3       :
S       :   0.06    Total:           Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT 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 : 38    Depth to Top of Core(m):   395.00    Piece: 2
Hole: 344   Top/Bottom Interval(mm):  750/ 770
Core:  36   Sample Depth:   397.26
Sect:  2    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      DOLERITE

SiO2    :  50.57    Al2O3:  15.93    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.62    FeO       :   5.15
MgO     :   6.85    CaO  :  10.43    Na2O      :   3.10
K2O     :   0.59    TiO2 :   1.22    MnO       :   0.14
P2O5    :   0.15    LOI  :           H2O+      :   2.74
H2O-    :           CO2  :           SO3       :   0.16
S       :           Total:  99.65    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
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 : 38    Depth to Top of Core(m):   395.00    Piece: 5
Hole: 344   Top/Bottom Interval(mm): 1350/1370
Core:  36   Sample Depth:   399.36
Sect:  3    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      DOLERITE

SiO2    :  55.15    Al2O3:  14.95    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.21    FeO       :   6.13
MgO     :   3.31    CaO  :   4.90    Na2O      :   4.59
K2O     :   1.21    TiO2 :   2.18    MnO       :   0.14
P2O5    :   0.42    LOI  :           H2O+      :   2.37
H2O-    :           CO2  :           SO3       :   0.23
S       :           Total:  98.79    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
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 : 38    Depth to Top of Core(m):   395.00    Piece: 2
Hole: 344   Top/Bottom Interval(mm):  340/ 360
Core:  36   Sample Depth:   401.35
Sect:  5    Analyst Name: Kharin, G.

Analytical Method(s):
  Wet chemical  Wet chemical  Wet chemical

Alteration    Rock type    Rock name
Extensive     IGNEOUS      DOLERITE

SiO2    :  50.56    Al2O3:  16.26    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.65    FeO       :   5.07
MgO     :   7.50    CaO  :  10.12    Na2O      :   3.24
K2O     :   0.55    TiO2 :   1.60    MnO       :   0.18
P2O5    :   0.22    LOI  :   0.40    H2O+      :
H2O-    :           CO2  :   0.13    SO3       :
S       :   0.08    Total:           Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT 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 : 38    Depth to Top of Core(m):   395.00    Piece:
Hole: 344   Top/Bottom Interval(mm): 1420/1440
Core:  36   Sample Depth:   402.43
Sect:  5    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      GABBRO-DOLERITE

SiO2    :  50.08    Al2O3:  16.07    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.64    FeO       :   5.10
MgO     :   6.99    CaO  :  10.99    Na2O      :   3.10
K2O     :   0.57    TiO2 :   1.25    MnO       :   0.14
P2O5    :   0.13    LOI  :           H2O+      :   2.37
H2O-    :           CO2  :           SO3       :   0.10
S       :           Total:  99.53    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
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 : 38    Depth to Top of Core(m):   404.50    Piece: 2
Hole: 344   Top/Bottom Interval(mm):  850/ 870
Core:  37   Sample Depth:   405.36
Sect:  1    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      DOLERITE

SiO2    :  49.65    Al2O3:  16.45    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.71    FeO       :   4.84
MgO     :   7.00    CaO  :  11.01    Na2O      :   3.01
K2O     :   0.43    TiO2 :   1.22    MnO       :   0.13
P2O5    :   0.16    LOI  :           H2O+      :   2.17
H2O-    :           CO2  :           SO3       :   0.11
S       :           Total:  98.89    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
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 : 38    Depth to Top of Core(m):   404.50    Piece: 1
Hole: 344   Top/Bottom Interval(mm):  700/ 720
Core:  37   Sample Depth:   406.71
Sect:  2    Analyst Name: Kharin, G.

Analytical Method(s):
  Wet chemical  Wet chemical  Wet chemical

Alteration    Rock type    Rock name
Extensive     IGNEOUS      DOLERITE

SiO2    :  49.51    Al2O3:  16.01    Fe2O3(tot):
FeO(tot):           Fe2O3:   3.74    FeO       :   4.79
MgO     :   7.81    CaO  :  10.02    Na2O      :   3.24
K2O     :   0.49    TiO2 :   1.58    MnO       :   0.17
P2O5    :   0.26    LOI  :   0.97    H2O+      :
H2O-    :           CO2  :   0.36    SO3       :
S       :   0.97    Total:           Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT 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 : 38    Depth to Top of Core(m):   404.50    Piece: 8
Hole: 344   Top/Bottom Interval(mm): 1350/1370
Core:  37   Sample Depth:   407.36
Sect:  2    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      DOLERITE

SiO2    :  49.23    Al2O3:  16.81    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.19    FeO       :   4.99
MgO     :   7.21    CaO  :  10.89    Na2O      :   2.99
K2O     :   0.38    TiO2 :   1.17    MnO       :   0.12
P2O5    :   0.15    LOI  :           H2O+      :   3.14
H2O-    :           CO2  :           SO3       :   0.19
S       :           Total:  99.46    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
H2O not partitioned.
Essential oxides quoted to .01
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.



Leg : 38    Depth to Top of Core(m):   404.50    Piece: 8
Hole: 344   Top/Bottom Interval(mm): 1350/1370
Core:  37   Sample Depth:   407.36
Sect:  2    Analyst Name: Ridley, W.

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

Alteration    Rock type    Rock name
Slight        IGNEOUS      GABBRO-DOLERITE

SiO2    :  50.58    Al2O3:  17.46    Fe2O3(tot):
FeO(tot):   6.47    Fe2O3:   0.72    FeO       :   5.83
MgO     :   7.00    CaO  :  11.38    Na2O      :   2.87
K2O     :   0.26    TiO2 :   1.37    MnO       :   0.12
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:  0.660

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
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 : 38    Depth to Top of Core(m):   404.50    Piece: 8
Hole: 344   Top/Bottom Interval(mm): 1350/1370
Core:  37   Sample Depth:   407.36
Sect:  2    Analyst Name: Schilling, J.-G.

Analytical Method(s):
  Inst neutron activ  Inst neutron activ  Inst neutron activ

Alteration    Rock type    Rock name
Slight        IGNEOUS      GABBRO-DOLERITE

SiO2    :           Al2O3:           Fe2O3(tot):
FeO(tot):   7.45    Fe2O3:           FeO       :
MgO     :           CaO  :           Na2O      :   3.43
K2O     :           TiO2 :           MnO       :
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:

Comments:
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.
Partial analysis.
Magnesium number is atomic ration Mg/(Mg+Fe++), where Fe is total iron.



Leg : 38    Depth to Top of Core(m):   404.50    Piece: 4
Hole: 344   Top/Bottom Interval(mm):  730/ 750
Core:  37   Sample Depth:   408.24
Sect:  3    Analyst Name: Eckhardt, F.-J.

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

Alteration    Rock type    Rock name
              IGNEOUS      DOLERITE

SiO2    :  49.28    Al2O3:  16.78    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.50    FeO       :   4.83
MgO     :   7.23    CaO  :  10.99    Na2O      :   3.01
K2O     :   0.46    TiO2 :   1.16    MnO       :   0.13
P2O5    :   0.15    LOI  :           H2O+      :   2.82
H2O-    :           CO2  :           SO3       :   0.11
S       :           Total:  99.45    Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT on a volatile-free basis.
Only total water given in source.  H2O+ is total water.
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 : 38    Depth to Top of Core(m):   404.50    Piece: 9
Hole: 344   Top/Bottom Interval(mm): 1350/1370
Core:  37   Sample Depth:   408.86
Sect:  3    Analyst Name: Kharin, G.

Analytical Method(s):
  Wet chemical  Wet chemical  Wet chemical

Alteration    Rock type    Rock name
Extensive     IGNEOUS      DOLERITE

SiO2    :  49.81    Al2O3:  17.01    Fe2O3(tot):
FeO(tot):           Fe2O3:   2.98    FeO       :   4.98
MgO     :   7.31    CaO  :  10.30    Na2O      :   2.96
K2O     :   0.66    TiO2 :   1.39    MnO       :   0.18
P2O5    :   0.17    LOI  :   1.32    H2O+      :
H2O-    :           CO2  :   0.09    SO3       :
S       :   0.05    Total:           Magnesium#:

Comments:
Analysis NOT normalized to 100 1n source.
Analyses are NOT 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.



    

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.

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