Core Data from the Deep Sea Drilling Project

Leg : 39    Top/Bottom Interval(mm):    0/   0  Describer: Bonatti, E.
Hole: 353A  Top of Core Depth(m)   :     0.00   Rock Type: IGNEOUS
Core:   1   Sample Midpoint(m)     :     1.50   Sect/Pc #:  2/PCE 1

ROCK = APHYRIC BASALT
       SAME AS 353A-1-2 #5, AMONG SMALLER FRAGMENTS
       ONE CONSISTING OF BASALT GLASS WAS USED FOR
       FISSION TRACK DATING;




Leg : 39    Top/Bottom Interval(mm):    0/   1  Describer: Bonatti, E.
Hole: 353A  Top of Core Depth(m)   :     0.00   Rock Type: IGNEOUS
Core:   1   Sample Midpoint(m)     :     1.50   Sect/Pc #:  2/PCE 5

ROCK = APHYRIC BASALT;
       Texture: APHYRIC, FEATHERY TEXTURE, INTERSERTAL, VERY
       FINE GROUNDMASS;

Groundmass - PLAGIOCLASE
             Morphology: ELONGATED PLATES,CLUSTERED,

             Morphology: NEEDLES
             CALCIC, CLUSTERED IN PREFERRED ORIENTATIONS,
             FREQUENT SKELETAL PLATELETS OF PLAG (CAUSED BY
             RAPID CHILLING-AS DESCRIBED BY BRIAN);

             OLIVINE
             Morphology: PARTLY EUHEDRAL
             ABUNDANT, ISOLATED, PARTLY ALTERED TO SMEC-
             CHLORITE MIXTURE;

             OPAQUE MINERALS

             GLASS
             PROBABLY GLASS*

Alteration - SMECTITE
             Replacing: OL

             CHLORITE
             Replacing: OL




Leg : 39    Top/Bottom Interval(mm):   30/  50  Describer: Kharin, G.
Hole: 353A  Top of Core Depth(m)   :     0.00   Rock Type: IGNEOUS
Core:   1   Sample Midpoint(m)     :     1.54   Sect/Pc #:  2/

ROCK = HYALOBASALT
       SOURCE IS IR*

Groundmass - PYROXENE                  (    3%)

             GLASS                     (   35%)

             OLIVINE                   (    1%)

             OTHER                     (   60%)
             GLASS WITH MICROLITES*

Alteration - CHLORITE                  (    1%)




Leg : 39    Top/Bottom Interval(mm):    0/   0  Describer: Bonatti, E.
Hole: 353A  Top of Core Depth(m)   :     0.00   Rock Type: IGNEOUS
Core:   1   Sample Midpoint(m)     :     3.10   Sect/Pc #: CC/

ROCK = APHYRIC BASALT
       SIMILAR TO #5 EXCEPT FOR POORER CRYSTALLINITY
       AND FINER CRYSTAL SIZE;
       Texture: APHYRIC, VERY FINE GROUNDMASS*

Groundmass - OLIVINE
             Morphology: PARTLY EUHEDRAL,SKELETAL
             ISOLATED, SKELETAL OL OBSERVED;

             PLAGIOCLASE
             Morphology: CLUSTERS, NEEDLES
             CALCIC NEEDLES;

             OPAQUE MINERALS
             Morphology: DUST

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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