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Core Data from the Deep Sea Drilling Project


Leg : 67    Top/Bottom Interval(mm):    0/ 470  Analyst: Cowan, D.S.
Hole: 500B  Sample Midpoint (m)    :   124.47
Core:   3   Top of Core Depth (m)  :   124.00
Sect:  1    Top of Section Depth(m):   124.00

LITHOLOGY: SEDIMENTS;


Leg : 67    Top/Bottom Interval(mm):  470/1240  Analyst: Cowan, D.S.
Hole: 500B  Sample Midpoint (m)    :   125.24
Core:   3   Top of Core Depth (m)  :   124.00
Sect:  1    Top of Section Depth(m):   124.47

LITHOLOGY: APHYRIC BASALT;

  Piece No.  : PCES 1 (47-56), 2 (58-67), 3 (70-75), 4 (78-87),
               5 (90-95), 6 (98-103), 7 (107-111), 8 (114-119),
               9 (122-124);

  Texture    : PREDOMINANTLY FINE GRAINED, APHYRIC, PCES 6 & 9 ARE
               APHANITIC BUT MICROPHYRIC;

  Structure  : ABUNDANCE OF PYRITE PROBABLY ALONG VEINS, DRUSES OF
               CALCITE ON FRACTURE SURFACES AND BROAD CAVITIES IN
               PCE 2;

  Alteration : FRESH TO MODERATE;

  Comments   : DARK TO MEDIUM GREY;

  Phenocrysts: OLIVINE                   (   <1%)
               Size(mm):          1
               OL MICROPHENOS IN DARK GREEN-GREY GROUNDMASS, PCES
               6 & 9;

  Groundmass : PLAGIOCLASE
               MICROLITES VISIBLE WITH HAND LENS, GROUNDMASS IS
               DARK GREENISH-GREY;

  Replacement: PYRITE                    (    2%)
               Size(mm):         <1
               LOCALLY ABUNDANT PROBABLY ALONG VEINS, VERY FINE
               GRAINED WIDELY DISSEMNATED THROUGHOUT;


    

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.

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