Core Data from the Deep Sea Drilling Project

Leg : 65    Top/Bottom Interval(mm): 1340/1360  Describer: Robinson, P.
Hole: 482F  Top of Core Depth(m)   :   132.50   Rock Type: IGNEOUS
Core:   4   Sample Midpoint(m)     :   136.85   Sect/Pc #:  3/PCE 4

ROCK = APHYRIC BASALT;
       Texture: APHYRIC,FINE-GRAINED,INTERGRANULAR*

Groundmass - OLIVINE                   (    1%)
             Size(mm):   0.05-0.1  Morphology: SUBHEDRAL
             IDENTITY QUESTIONABLE,SUBHEDRAL PSEUDOMORPHS OF
             SMEC;

             PLAGIOCLASE               (   55%)
             Size(mm):    0.1-0.4  Morphology: SUBHEDRAL,LATHS
             FRESH;

             CLINOPYROXENE             (   35%)
             Size(mm):    0.1-0.3  Morphology: ANHEDRAL
             FRESH,2VZ=40;

             MAGNETITE                 (    5%)
             Size(mm):   0.05-0.1  Morphology: SUBHEDRAL

             CRYPTOCRYSTALLINE         (    5%)
             INTERSTITIAL MATERIAL,CRYPTXLN WITH MINOR APATITE,
             REPLACED BY SMEC AND CARB;

             APATITE
             MINOR,INTERSTITIAL*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL? + MOST INTERSTITIAL MATERIAL REPLACED BY SMEC
             + CARB;

             CARBONATE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL? + MOST INTERSTITIAL MATERIAL REPLACED BY SMEC
             + CARB*

Vesicles   -
             Size(mm):   TO 0.5
             Percent:   1-2
             Filling: SMEC,CARB
             Shape: ROUND
             RIMMED WITH SMEC AND FILLED WITH CARB*

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.

Department of Commerce > NOAA > NESDIS > NCEI > doi:10.7289/V54M92G2