Core Data from the Deep Sea Drilling Project

Leg : 67    Top/Bottom Interval(mm): 1190/1210  Describer: Cowan, D.S.
Hole: 495   Top of Core Depth(m)   :   427.50   Rock Type: IGNEOUS
Core:  46   Sample Midpoint(m)     :   428.70   Sect/Pc #:  1/PCE 1

ROCK = APHYRIC BASALT;
       Texture: APHYRIC,HOLOCRYSTALLINE,MICROPHYRIC;
       Where sampled: PILLOW INTERIOR OR FLOW INTERIOR*

Phenocrysts- PLAGIOCLASE               (   <1%)
             Size(mm):          1  Morphology: SUBHEDRAL
             APPROX COMP AN75*

Groundmass - PLAGIOCLASE               (   58%)
             Size(mm):        0.3  Morphology: SUBHEDRAL-EUHEDRAL

             CLINOPYROXENE             (   33%)
             Size(mm):    0.1-0.3  Morphology: ACICULAR-PLUMOSE
             INTERGRANULAR-SUBOPHITIC,PALE BROWN,LOCALLY
             ACICULAR-PLUMOSE;

             OPAQUE MINERALS           (    4%)
             Size(mm):       0.01  Morphology: SUBHEDRAL-EUHEDRAL
             INCLUDES MAGN + ILMENITE,GENERALLY ASSOCIATED WITH
             PYX*

Alteration - CLAY MINERALS             (    5%)
             Location: INTERSERTAL,   Replacing: GLASS
             Location: GROUNDMASS
             PROBABLY REPLACING GLASS,ORANGE-BROWN*

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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