Core Data from the Deep Sea Drilling Project

Leg : 64    Top/Bottom Interval(mm):  140/ 150  Describer: Saunders, A.
Hole: 475B  Top of Core Depth(m)   :    76.00   Rock Type: IGNEOUS
Core:   2   Sample Midpoint(m)     :    76.14   Sect/Pc #:  1/PCE 2

ROCK = OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,VARIOLITIC,INTERSERTAL;
       Where sampled: PILLOW INTERIOR*

Phenocrysts- OLIVINE                   (   10%)
             Size(mm):    0.2-2.0  Morphology: ANHEDRAL-EUHEDRAL
             MANY XTLS BROKEN,VERY FRESH WITH ONLY VERY SLIGHT
             ALTERATION;

             PLAGIOCLASE               (    0%)

             CLINOPYROXENE             (    0%)

             SPINEL                    (    1%)
             Size(mm):    0.1-0.2  Morphology: SUBHEDRAL
             MICROPHENOS,PALE ORANGE*

Groundmass - OLIVINE                   (    5%)
             Size(mm):       <0.2  Morphology: SKELETAL
             QUENCH TEXTURES;

             PLAGIOCLASE               (   50%)
             Size(mm):    0.1-0.3  Morphology: SKELETAL
             QUENCH MICROLITES;

             CLINOPYROXENE             (   20%)
             Size(mm):       <0.2
             PERCENTAGE QUESTIONABLE,QUENCH,GROWING IN THE
             MESOSTASIS,SOME VARIOLES;

             MAGNETITE                 (    5%)
             PERCENTAGE QUESTIONABLE,QUENCH,GROWING IN THE
             MESOSTASIS;

             ILMENITE                  (    5%)
             PERCENTAGE QUESTIONABLE,QUENCH,GROWING IN THE
             MESOSTASIS;

             MICROCRYST GROUNDMASS     (   10%)

Alteration - CARBONATE                 (    0%)

             CLAY MINERALS             (    0%)

             ZEOLITE                   (    0%)

Vesicles   -
             Percent:     0

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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