Core Data from the Deep Sea Drilling Project

Leg : 26    Depth to Top of Core(m):   486.50    Piece: 4
Hole: 251A  Top/Bottom Interval(mm): 1400/1450
Core:  30   Sample Depth:   487.93
Sect:  1    Analyst Name: Kempe, D.

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

Alteration    Rock type    Rock name
Slight        IGNEOUS      GLASSY BASALT

SiO2    :  45.89    Al2O3:  13.44    Fe2O3(tot):
FeO(tot):           Fe2O3:   6.77    FeO       :   5.14
MgO     :   7.43    CaO  :  11.48    Na2O      :   2.57
K2O     :   0.30    TiO2 :   1.47    MnO       :   0.18
P2O5    :   0.16    LOI  :           H2O+      :   1.47
H2O-    :   2.17    CO2  :   1.60    SO3       :
S       :           Total:           Magnesium#:

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



Leg : 26    Depth to Top of Core(m):   489.50    Piece:
Hole: 251A  Top/Bottom Interval(mm):  390/ 410
Core:  31   Sample Depth:   489.90
Sect:  1    Analyst Name: Kempe, D.

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

Alteration    Rock type    Rock name
Moderate      IGNEOUS      GLASSY BASALT

SiO2    :  45.68    Al2O3:  15.65    Fe2O3(tot):
FeO(tot):           Fe2O3:   8.05    FeO       :   5.31
MgO     :   4.88    CaO  :  10.96    Na2O      :   2.58
K2O     :   0.60    TiO2 :   1.78    MnO       :   0.18
P2O5    :   0.27    LOI  :           H2O+      :   1.16
H2O-    :   1.95    CO2  :   1.53    SO3       :
S       :           Total:           Magnesium#:

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



Leg : 26    Depth to Top of Core(m):   489.50    Piece:
Hole: 251A  Top/Bottom Interval(mm):  290/ 310
Core:  31   Sample Depth:   494.30
Sect:  4    Analyst Name: Kempe, D.

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

Alteration    Rock type    Rock name
Fresh         IGNEOUS      DOLERITIC BASALT

SiO2    :  50.37    Al2O3:  14.60    Fe2O3(tot):
FeO(tot):           Fe2O3:   1.70    FeO       :   8.74
MgO     :   7.13    CaO  :  10.84    Na2O      :   2.67
K2O     :   0.12    TiO2 :   1.60    MnO       :   0.17
P2O5    :   0.15    LOI  :           H2O+      :   0.90
H2O-    :   0.62    CO2  :   0.23    SO3       :
S       :           Total:           Magnesium#:

Comments: COARSE-GRAINED THOLEIITIC OLIVINE BASALT
Analysis NOT normalized to 100 1n source.
Analyses are NOT 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.

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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