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NOAA/NGDC
WDC MGG Seafloor Series Vol I

Core Data from the Deep Sea Drilling Project


Leg :  6    Top/Bottom Interval(mm):    0/   0  Describer: DSDP microfilm
Hole:  53   Top of Core Depth(m)   :   195.40   Rock Type: IGNEOUS
Core:   7   Sample Midpoint(m)     :   197.00   Sect/Pc #: CC/

ROCK = BASALT OR ANDESITE
       SHIPBOARD DESCRIPTION,HIGHLY ALTERED,INFORMATION
       FROM MORE THAN ONE THIN SECTION;
       Texture: ORIGINALLY GLASSY*

Groundmass - PLAGIOCLASE
             Morphology: PRISMATIC,RADIATING
             FELTED MASS OF PRISMATIC RADIATING BROWN FELD
             XTLS IN A FINE-GRAINED MATRIX,PRISMATIC XTLS
             ARE PLAG WITH IR SLIGHTLY > 1.55 (THEREFORE
             ARE     ANDESINE OR LABRO ADORITE), OFTEN FORM
             ROSETTE CLUSTERS AND THE CENTERS OF MANY ENCLOSE
             MATRIX MATERIAL;

             MATRIX
             INCLUDES FINE-GRAINED MICROCRYSTALLINE QUARTZ +
             CLAY.MINS*

Alteration - QUARTZ

             CLAY MINERALS
             AMYGDALOIDAL*

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These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced 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, and collocated World Data Center for Marine Geology and Geophysics, Boulder. Data were compiled in cooperation with the U.S. Science Support Program, the Joint Oceanographic Institutions, Inc., and the U.S. National Science Foundation. Please see the NGDC privacy, disclaimer, and copyright notices.