Core Data from the Deep Sea Drilling Project

Leg : 16    Top/Bottom Interval(mm): 1060/1070  Describer: Yeats, R.S.
Hole: 155   Top of Core Depth(m)   :   527.00   Rock Type: IGNEOUS
Core:  12   Sample Midpoint(m)     :   528.07   Sect/Pc #:  1/

ROCK = AUGITE BASALT
       EXTENSIVELY ALTERED,SOURCE IS IR (P.24),ADDITIONAL
       INFORMATION ON PAGE 627;
       Texture: FINE-GRAINED,HOLOXTLN,DOLERITIC*

Groundmass - PLAGIOCLASE
             Morphology: LATHS
             NORMALLY ZONED FROM LABRADORITE TO ANDESINE;

             PYROXENE
             YX AND GROUNDMASS DEUTERICALLY ALTERED*

Alteration - CARBONATE
             Location: VUGS

             SERPENTINITE
             Location: RIM VUGS




Leg : 16    Top/Bottom Interval(mm): 1340/      Describer: Yeats, R.S.
Hole: 155   Top of Core Depth(m)   :   527.00   Rock Type: IGNEOUS
Core:  12   Sample Midpoint(m)     :   528.34   Sect/Pc #:  1/

ROCK = BASALT
       DEUTERICALLY ALTERED,SOURCE IS IR-PAGE 25*

Phenocrysts- PLAGIOCLASE               (   43%)
             Morphology: LATHS
             SHOW SOME ALIGNMENT;

             PYROXENE                  (    9%)

             OLIVINE                   (   TR%)

Groundmass - GROUNDMASS                (   37%)
             DEVITRIFIED,AREAS OF GROUNDMASS ARE SEGREGATED
             FROM AREAS RICH IN PLAG AND FERROMAGNESIAN
             PSEUDOMORPHS;

             OPAQUE MINERALS           (    2%)
             ANALYSIS BY MODAL ANALYSIS*

Alteration - SERPENTINITE
             Location: PSEUDOMORPHS   Replacing: OL,PYX
             ID UNCERTAIN FOR PYX;   OL,PYX

             BOWLINGITE
             Location: PSEUDOMORPHS

Vesicles   -
             Percent:     9

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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