Core Data from the Deep Sea Drilling Project

Leg : 70    Top/Bottom Interval(mm):  480/ 510  Describer: Laverne, C.
Hole: 506D  Top of Core Depth(m)   :    30.90   Rock Type: IGNEOUS
Core:   9   Sample Midpoint(m)     :    31.40   Sect/Pc #:  1/

ROCK = PLAG-CPX MOD PHYRIC BASALT;
       Texture: MOD PHYRIC,VARIOLITIC*

Phenocrysts- OLIVINE                   (    0%)

             PLAGIOCLASE               (    5%)
             Size(mm):          1  Morphology: EUHEDRAL

             CLINOPYROXENE             (    2%)
             Size(mm):         .5  Morphology: ANHEDRAL-SUBHEDRAL

Groundmass - OLIVINE                   (    0%)

             PLAGIOCLASE               (    2%)
             Size(mm):         .5  Morphology: MICROLITES

             MAGNETITE                 (    2%)
             Morphology: SKELETAL
             INTERSTITIAL;

             GLASS                     (   87%)

Vesicles   -
             Size(mm):        1
             Percent:     2
             Location: SCATTERED
             Filling: VOID
             Shape: ROUND




Leg : 70    Top/Bottom Interval(mm):  530/ 560  Describer: Laverne, C.
Hole: 506D  Top of Core Depth(m)   :    30.90   Rock Type: IGNEOUS
Core:   9   Sample Midpoint(m)     :    31.45   Sect/Pc #:  1/

ROCK = PLAG-CPX MOD PHYRIC BASALT;
       Texture: AXIOLITIC
       DEVITRIFICATION TEXTURE*

Phenocrysts- PLAGIOCLASE               (    2%)
             Size(mm):         .5  Morphology: SUBHEDRAL

             CLINOPYROXENE             (    2%)
             Size(mm):         .3  Morphology: ANHEDRAL

Groundmass - PLAGIOCLASE               (    2%)
             Size(mm):      .3-.5  Morphology: MICROLITES

             CLINOPYROXENE             (    1%)
             Size(mm):        <.1  Morphology: MICROCRYSTS

             MAGNETITE                 (   10%)
             Morphology: SKELETAL
             INTERSTITIAL;

             GLASS                     (   80%)

Vesicles   -
             Size(mm):      .04
             Percent:     3
             Location: SCATTERED
             Filling: VOID
             Shape: ROUND




Leg : 70    Top/Bottom Interval(mm):  170/ 200  Describer: Laverne, C.
Hole: 506D  Top of Core Depth(m)   :    30.90   Rock Type: IGNEOUS
Core:   9   Sample Midpoint(m)     :    31.69   Sect/Pc #: CC/

ROCK = PLAG-CPX MOD PHYRIC BASALT;
       Texture: AXIOLITIC
       DEVITRIFICATION TEXTURE*

Phenocrysts- PLAGIOCLASE               (    5%)
             Size(mm):      .3-.5  Morphology: EUHEDRAL+SUBHEDRAL

             CLINOPYROXENE             (  1-2%)
             Size(mm):         .4  Morphology: ANHEDRAL

Groundmass - PLAGIOCLASE               (    5%)
             Size(mm):       .5-1  Morphology: MICROPHENOS+MICROLITES

             PLAGIOCLASE
             Size(mm):        1-2

             CLINOPYROXENE             (    3%)
             Size(mm):      .1-.5

             MAGNETITE                 (    8%)
             Morphology: SKELETAL
             INTERSTITIAL;

             GLASS                     (   77%)

Alteration - CLAY MINERALS             (   <1%)
             Location: VESICLES       Replacing: GLASS

Vesicles   -
             Size(mm):        1
             Percent:   1-2
             Location: SCATTERED
             Filling: VOID OR SMEC
             Shape: ROUND

             Filling: RIM

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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