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Core Data from the Deep Sea Drilling Project


Leg : 38    Depth to Top of Core(m):   758.50    Piece: 8
Hole: 345   Top/Bottom Interval(mm):  600/ 630
Core:  32   Sample Depth:   762.12
Sect:  3    Analyst Name: Kharin, G.

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

Alteration    Rock type    Rock name
Extensive     IGNEOUS      BASALTIC TUFF BRECCIA

SiO2    :  41.26    Al2O3:  16.45    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.40    FeO       :   3.41
MgO     :   7.23    CaO  :  10.41    Na2O      :   2.38
K2O     :   1.68    TiO2 :   1.66    MnO       :   0.76
P2O5    :   0.56    LOI  :   8.62    H2O+      :
H2O-    :           CO2  :   4.79    SO3       :
S       :   0.03    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):   764.00    Piece: 7
Hole: 345   Top/Bottom Interval(mm): 1260/1290
Core:  33   Sample Depth:   765.28
Sect:  1    Analyst Name: Kharin, G.

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

Alteration    Rock type    Rock name
Extensive     IGNEOUS      BASALTIC TUFF BRECCIA

SiO2    :  47.23    Al2O3:  18.82    Fe2O3(tot):
FeO(tot):           Fe2O3:   8.68    FeO       :   2.49
MgO     :  11.15    CaO  :   3.39    Na2O      :   1.46
K2O     :   2.00    TiO2 :   1.45    MnO       :   0.17
P2O5    :   0.65    LOI  :   7.66    H2O+      :
H2O-    :           CO2  :   1.71    SO3       :
S       :     TR    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):   764.00    Piece: 6
Hole: 345   Top/Bottom Interval(mm):  560/ 590
Core:  33   Sample Depth:   766.08
Sect:  2    Analyst Name: Ridley, W.

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

Alteration    Rock type    Rock name
Moderate      IGNEOUS      PLAG-OL MODERATELY PHYRIC BASALT

SiO2    :  51.20    Al2O3:  17.80    Fe2O3(tot):
FeO(tot):   9.08    Fe2O3:   1.01    FeO       :   8.17
MgO     :   9.01    CaO  :   7.47    Na2O      :   2.56
K2O     :   0.73    TiO2 :   1.83    MnO       :   0.22
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:  0.641

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):   764.00    Piece: 6
Hole: 345   Top/Bottom Interval(mm):  560/ 590
Core:  33   Sample Depth:   766.08
Sect:  2    Analyst Name: Schilling, J.-G.

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

Alteration    Rock type    Rock name
Moderate      IGNEOUS      PLAG-OL MODERATELY PHYRIC BASALT

SiO2    :           Al2O3:           Fe2O3(tot):
FeO(tot):   8.52    Fe2O3:           FeO       :
MgO     :           CaO  :           Na2O      :   2.66
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):   773.50    Piece: 1
Hole: 345   Top/Bottom Interval(mm):  480/ 500
Core:  34   Sample Depth:   773.99
Sect:  1    Analyst Name: Kharin, G.

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

Alteration    Rock type    Rock name
Extensive     IGNEOUS      BASALTIC TUFF BRECCIA

SiO2    :  45.48    Al2O3:  16.81    Fe2O3(tot):
FeO(tot):           Fe2O3:   7.35    FeO       :   3.50
MgO     :  10.65    CaO  :   2.36    Na2O      :   1.38
K2O     :   1.18    TiO2 :   2.62    MnO       :   0.22
P2O5    :   0.26    LOI  :   7.41    H2O+      :
H2O-    :           CO2  :   0.27    SO3       :
S       :   0.03    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):   773.50    Piece: 19
Hole: 345   Top/Bottom Interval(mm): 1280/1310
Core:  34   Sample Depth:   776.30
Sect:  2    Analyst Name: Kharin, G.

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

Alteration    Rock type    Rock name
Extensive     IGNEOUS      PLAG-OL SPARSELY MICROPHYRIC BASALT

SiO2    :  47.01    Al2O3:  17.82    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.00    FeO       :   3.87
MgO     :   9.38    CaO  :   4.44    Na2O      :   2.38
K2O     :   1.91    TiO2 :   2.09    MnO       :   0.26
P2O5    :   0.30    LOI  :   4.75    H2O+      :
H2O-    :           CO2  :   0.36    SO3       :
S       :   0.01    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):   783.00    Piece: 7
Hole: 345   Top/Bottom Interval(mm): 1450/1480
Core:  35   Sample Depth:   784.47
Sect:  1    Analyst Name: Ridley, W.

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

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :  51.10    Al2O3:  18.38    Fe2O3(tot):
FeO(tot):   7.80    Fe2O3:   0.87    FeO       :   7.01
MgO     :  10.24    CaO  :   4.09    Na2O      :   2.24
K2O     :   0.28    TiO2 :   2.11    MnO       :   0.22
P2O5    :           LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:  0.702

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):   783.00    Piece: 7
Hole: 345   Top/Bottom Interval(mm): 1450/1480
Core:  35   Sample Depth:   784.47
Sect:  1    Analyst Name: Schilling, J.-G.

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

Alteration    Rock type    Rock name
Moderate      IGNEOUS      APHYRIC BASALT

SiO2    :           Al2O3:           Fe2O3(tot):
FeO(tot):   8.05    Fe2O3:           FeO       :
MgO     :           CaO  :           Na2O      :   2.52
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):   783.00    Piece: 7
Hole: 345   Top/Bottom Interval(mm): 1480/1500
Core:  35   Sample Depth:   784.49
Sect:  1    Analyst Name: Kharin, G.

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

Alteration    Rock type    Rock name
Extensive     IGNEOUS      PLAG-OL SPARSELY MICROPHYRIC BASALT

SiO2    :  46.88    Al2O3:  16.38    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.46    FeO       :   3.87
MgO     :  10.54    CaO  :   3.59    Na2O      :   2.38
K2O     :   2.38    TiO2 :   1.92    MnO       :   0.32
P2O5    :   0.30    LOI  :   5.09    H2O+      :
H2O-    :           CO2  :   0.54    SO3       :
S       :   0.01    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):   783.00    Piece: 12
Hole: 345   Top/Bottom Interval(mm): 1280/1310
Core:  35   Sample Depth:   785.80
Sect:  2    Analyst Name: Kharin, G.

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

Alteration    Rock type    Rock name
Extensive     IGNEOUS      PLAG-OL SPARSELY MICROPHYRIC BASALT

SiO2    :  46.95    Al2O3:  17.43    Fe2O3(tot):
FeO(tot):           Fe2O3:   5.89    FeO       :   3.54
MgO     :  10.80    CaO  :   4.19    Na2O      :   2.52
K2O     :   1.70    TiO2 :   1.97    MnO       :
P2O5    :           LOI  :   4.88    H2O+      :
H2O-    :           CO2  :   0.04    SO3       :
S       :           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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