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Core Data from the Deep Sea Drilling Project


Leg : 91    Depth to Top of Core(m):    73.00    Piece: 11C
Hole: 595B  Top/Bottom Interval(mm): 1120/1160
Core:   2   Sample Depth:    74.14
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    :   48.9    Al2O3:   14.8    Fe2O3(tot):
FeO(tot):           Fe2O3:   1.61    FeO       :  10.71
MgO     :   5.92    CaO  :   7.77    Na2O      :   3.31
K2O     :   0.92    TiO2 :   2.94    MnO       :   0.15
P2O5    :   0.20    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  97.23    Magnesium#:  0.496

Comments: FINE-GRAINED, ROCK IDENTITY UNCERTAIN
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Values for iron partitioning calculated.
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 : 91    Depth to Top of Core(m):    81.50    Piece: 6
Hole: 595B  Top/Bottom Interval(mm): 1310/1340
Core:   3   Sample Depth:    82.83
Sect:  1    Analyst Name:

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

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :           Al2O3:           Fe2O3(tot):
FeO(tot):           Fe2O3:           FeO       :
MgO     :           CaO  :           Na2O      :
K2O     :   0.63    TiO2 :   3.08    MnO       :
P2O5    :   0.16    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:

Comments: FINE-GRAINED
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
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 : 91    Depth to Top of Core(m):    87.40    Piece: 1A
Hole: 595B  Top/Bottom Interval(mm):  120/ 150
Core:   4   Sample Depth:    87.54
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    :   49.3    Al2O3:   14.5    Fe2O3(tot):
FeO(tot):           Fe2O3:   1.54    FeO       :  10.29
MgO     :   6.33    CaO  :   8.86    Na2O      :   3.35
K2O     :   0.57    TiO2 :   2.86    MnO       :   0.20
P2O5    :   0.20    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  98.00    Magnesium#:  0.523

Comments: FINE-GRAINED
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Values for iron partitioning calculated.
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 : 91    Depth to Top of Core(m):   114.70    Piece: 3A
Hole: 595B  Top/Bottom Interval(mm):  210/ 240
Core:   7   Sample Depth:   114.93
Sect:  1    Analyst Name:

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

Alteration    Rock type    Rock name
Slight        IGNEOUS      APHYRIC BASALT

SiO2    :           Al2O3:           Fe2O3(tot):
FeO(tot):           Fe2O3:           FeO       :
MgO     :           CaO  :           Na2O      :
K2O     :   0.99    TiO2 :   2.70    MnO       :
P2O5    :   0.41    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:

Comments: HIGHLY FRACTURED, APHANITIC
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
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 : 91    Depth to Top of Core(m):   114.70    Piece: 2D
Hole: 595B  Top/Bottom Interval(mm): 1230/1280
Core:   7   Sample Depth:   115.96
Sect:  1    Analyst Name:

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

Alteration    Rock type    Rock name
Moderate      IGNEOUS      BASALT

SiO2    :   49.5    Al2O3:   14.9    Fe2O3(tot):
FeO(tot):           Fe2O3:   1.43    FeO       :   9.51
MgO     :   6.25    CaO  :  11.17    Na2O      :   2.76
K2O     :   0.59    TiO2 :   1.92    MnO       :   0.20
P2O5    :   0.14    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  98.37    Magnesium#:  0.539

Comments: ZONES OF SPHERULITIES AND VARIOLITES
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Values for iron partitioning calculated.
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 : 91    Depth to Top of Core(m):   114.70    Piece: 7A
Hole: 595B  Top/Bottom Interval(mm):  800/ 820
Core:   7   Sample Depth:   117.01
Sect:  2    Analyst Name:

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

Alteration    Rock type    Rock name
Extensive     IGNEOUS      APHYRIC BASALT

SiO2    :   49.8    Al2O3:   14.5    Fe2O3(tot):
FeO(tot):           Fe2O3:   1.45    FeO       :   9.66
MgO     :   6.64    CaO  :  10.80    Na2O      :   2.89
K2O     :   0.71    TiO2 :   1.86    MnO       :   0.24
P2O5    :   0.15    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  98.70    Magnesium#:  0.551

Comments: VARILOTIC ZONES WELL DEVELOPED
Analysis NOT normalized to 100 1n source.
Analyses in table are on a volatile-free basis.
Total water not directly determined.
H2O not partitioned.
Values for iron partitioning calculated.
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.

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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