Core Data from the Deep Sea Drilling Project

Leg : 18    Top/Bottom Interval(mm):    0/   0  Describer: MacLeod, N.S.
Hole: 178   Top of Core Depth(m)   :   777.50   Rock Type: IGNEOUS
Core:  58   Sample Midpoint(m)     :   777.50   Sect/Pc #:  1/

ROCK = OL SPARSELY PHYRIC BASALT
       SOURCE IS IR, SAMPLE 58A;
       Texture: FINE-GRAINED*

Phenocrysts- OLIVINE                   (    2%)

             PYROXENE                  (    0%)

             PLAGIOCLASE               (    0%)

             SPINEL                    (   TR%)
             BROWN*

Groundmass - OPAQUE MINERALS           (    0%)

             COMBINATION               (   98%)
             INDETERMINATE MINERALS AND(OR) FINE-GRAINED OR
             GLASSY MATRIX,PERCENTAGES OBTAINED BY MODAL
             ANALYSIS (1000 COUNTS)*




Leg : 18    Top/Bottom Interval(mm):    0/   0  Describer: MacLeod, N.S.
Hole: 178   Top of Core Depth(m)   :   787.00   Rock Type: IGNEOUS
Core:  59   Sample Midpoint(m)     :   787.00   Sect/Pc #:  1/

ROCK = OL SPARSELY PHYRIC BASALT
       SOURCE IS IR, SAMPLE 59D;
       Texture: FINE-GRAINED*

Phenocrysts- OLIVINE                   (    4%)

             PYROXENE                  (    0%)

             PLAGIOCLASE               (    0%)

             SPINEL                    (   TR%)
             BROWN*

Groundmass - OPAQUE MINERALS           (    0%)

             COMBINATION               (   96%)
             INDETERMINATE MINERALS AND(OR) FINE-GRAINED OR
             GLASSY MATRIX,PERCENTAGES OBTAINED BY MODAL
             ANALYSIS (1000 COUNTS)*




Leg : 18    Top/Bottom Interval(mm):    0/   1  Describer: MacLeod, N.S.
Hole: 178   Top of Core Depth(m)   :   787.00   Rock Type: IGNEOUS
Core:  59   Sample Midpoint(m)     :   787.00   Sect/Pc #:  1/

ROCK = BASALT
       SOURCE IS IR, SAMPLE 59B;
       Texture: COARSE-GRAINED*

Groundmass - OLIVINE                   (   14%)

             PYROXENE                  (   27%)

             PLAGIOCLASE               (   41%)

             SPINEL                    (   TR%)

             OPAQUE MINERALS           (    4%)
             INCLUDES ILEMENITE + MAGNETITE;

             COMBINATION               (   14%)
             INDETERMINATE MINERALS AND(OR) FINE-GRAINED OR
             GLASSY MATRIX*




Leg : 18    Top/Bottom Interval(mm):    0/   2  Describer: MacLeod, N.S.
Hole: 178   Top of Core Depth(m)   :   787.00   Rock Type: IGNEOUS
Core:  59   Sample Midpoint(m)     :   787.00   Sect/Pc #:  1/

ROCK = BASALT
       SOURCE IS IR, SAMPLE 59C;
       Texture: COARSE-GRAINED*

Groundmass - OLIVINE                   (   12%)

             PYROXENE                  (   27%)

             PLAGIOCLASE               (   44%)

             SPINEL                    (   TR%)

             OPAQUE MINERALS           (    5%)
             INCLUDES ILEMENITE+ MAGNETITE;

             COMBINATION               (   13%)
             INDETERMINATE MINERALS AND(OR) FINE-GRAINED OR
             GLASSY MATRIX*

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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