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Core Data from the Deep Sea Drilling Project


Leg : 91    Depth to Top of Core(m):    69.80    Piece: 4
Hole: 595A  Top/Bottom Interval(mm):  210/ 240
Core:  10   Sample Depth:    71.52
Sect:  2    Analyst Name:

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

Alteration    Rock type    Rock name
Slight        IGNEOUS      BASALT

SiO2    :           Al2O3:           Fe2O3(tot):
FeO(tot):           Fe2O3:           FeO       :
MgO     :           CaO  :           Na2O      :
K2O     :   0.24    TiO2 :   1.81    MnO       :
P2O5    :   0.15    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:

Comments: POSSIBLY ANDESITE
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):    69.80    Piece: 7
Hole: 595A  Top/Bottom Interval(mm):  570/ 600
Core:  10   Sample Depth:    73.39
Sect:  3    Analyst Name:

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

Alteration    Rock type    Rock name
Slight        IGNEOUS      BASALT

SiO2    :           Al2O3:           Fe2O3(tot):
FeO(tot):           Fe2O3:           FeO       :
MgO     :           CaO  :           Na2O      :
K2O     :   0.26    TiO2 :   1.81    MnO       :
P2O5    :   0.14    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:           Magnesium#:

Comments:
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):    69.80    Piece: 5
Hole: 595A  Top/Bottom Interval(mm):  760/ 800
Core:  10   Sample Depth:    75.08
Sect:  4    Analyst Name:

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

Alteration    Rock type    Rock name
Slight        IGNEOUS      BASALT

SiO2    :   50.1    Al2O3:   14.5    Fe2O3(tot):
FeO(tot):           Fe2O3:   1.41    FeO       :   9.37
MgO     :   6.83    CaO  :  11.80    Na2O      :   2.62
K2O     :   0.48    TiO2 :   1.63    MnO       :   0.18
P2O5    :   0.11    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  99.03    Magnesium#:  0.565

Comments: POSSIBLY ANDESITE, PROBABLE COOLING UNIT TRANSITION
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):    79.40    Piece: 10
Hole: 595A  Top/Bottom Interval(mm): 1170/1210
Core:  11   Sample Depth:    80.59
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    :   48.4    Al2O3:   13.8    Fe2O3(tot):
FeO(tot):           Fe2O3:   1.87    FeO       :  12.47
MgO     :   5.83    CaO  :   8.99    Na2O      :   2.96
K2O     :   0.80    TiO2 :   2.77    MnO       :   0.23
P2O5    :   0.23    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  98.35    Magnesium#:  0.454

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):    84.40    Piece: 7
Hole: 595A  Top/Bottom Interval(mm):  510/ 540
Core:  12   Sample Depth:    84.93
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    :   49.0    Al2O3:   13.8    Fe2O3(tot):
FeO(tot):           Fe2O3:   1.76    FeO       :  11.74
MgO     :   6.00    CaO  :   9.11    Na2O      :   3.08
K2O     :   0.51    TiO2 :   2.77    MnO       :   0.28
P2O5    :   0.16    LOI  :           H2O+      :
H2O-    :           CO2  :           SO3       :
S       :           Total:  98.21    Magnesium#:  0.477

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.

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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