Core Data from the Deep Sea Drilling Project

Leg : 54    Top/Bottom Interval(mm):  150/ 180  Describer: Dmitriev, Y.
Hole: 428   Top of Core Depth(m)   :    57.50   Rock Type: IGNEOUS
Core:   5   Sample Midpoint(m)     :    62.17   Sect/Pc #:  4/PCE 2

ROCK = APHYRIC BASALT;
       Texture: MICROLITIC*

Groundmass - OLIVINE
             Morphology: IRREGULAR GRAINS
             DIMENSIONS 0.07X0.1MM;

             PLAGIOCLASE
             Morphology: MICROLITES
             DIMENSIONS 0.3X0.02MM;

             MAGNETITE                 (  .01%)

             GLASS
             DEVITRIFIED*




Leg : 54    Top/Bottom Interval(mm):  810/ 840  Describer: Dmitriev, Y.
Hole: 428   Top of Core Depth(m)   :    57.50   Rock Type: IGNEOUS
Core:   5   Sample Midpoint(m)     :    62.83   Sect/Pc #:  4/PCE 9

ROCK = APHYRIC BASALT;
       Texture: INTERGRANULAR*

Groundmass - OLIVINE
             Size(mm):       0.12

             PLAGIOCLASE
             DIMENSIONS 0.05X0.8MM;

             CLINOPYROXENE
             Size(mm):       0.15

             MAGNETITE
             Size(mm):       0.05

Alteration - CLAY MINERALS
             Location: MATRIX         Replacing: VOLCANIC GLASS

Vesicles   -
             Size(mm):      0.3
             Filling: CALCITE




Leg : 54    Top/Bottom Interval(mm):  180/ 210  Describer: Dmitriev, Y.
Hole: 428   Top of Core Depth(m)   :    67.00   Rock Type: IGNEOUS
Core:   6   Sample Midpoint(m)     :    67.20   Sect/Pc #:  1/PCE 3

ROCK = APHYRIC BASALT;
       Texture: INTERGRANULAR*

Groundmass - PLAGIOCLASE
             DIMENSIONS 0.05X0.45;

             CLINOPYROXENE
             Size(mm):       0.05

             MAGNETITE
             Size(mm):       0.03

Vesicles   -
             Size(mm):      0.4




Leg : 54    Top/Bottom Interval(mm):  740/ 790  Describer: Dmitriev, Y.
Hole: 428   Top of Core Depth(m)   :    67.00   Rock Type: IGNEOUS
Core:   6   Sample Midpoint(m)     :    67.76   Sect/Pc #:  1/PCE 8C

ROCK = APHYRIC BASALT;
       Texture: INTERSERTAL,INTERGRANULAR*

Groundmass - OLIVINE                   (  0.4%)
             Size(mm):       0.16

             PLAGIOCLASE               ( 48.0%)
             DIMENSIONS 0.08X0.6MM,RUDIMENTARY GRAPHIC
             INTERGROWTH OF PYX+PLAG;

             CLINOPYROXENE             ( 28.1%)
             Size(mm):        0.4

             MAGNETITE                 (  7.7%)
             Size(mm):       0.04

             GLASS                     ( 14.3%)
             DEVITRIFIED*

Vesicles   -
             Size(mm):     0.25
             Percent:   1.5
             Filling: SMECTITE
             Shape: ROUND




Leg : 54    Top/Bottom Interval(mm): 1270/1300  Describer: Dmitriev, Y.
Hole: 428   Top of Core Depth(m)   :    67.00   Rock Type: IGNEOUS
Core:   6   Sample Midpoint(m)     :    68.29   Sect/Pc #:  1/PCE 10B

ROCK = APHYRIC BASALT;
       Texture: INTERGRANULAR*

Groundmass - OLIVINE                   ( 0.12%)

             PLAGIOCLASE
             DIMENSIONS 0.1X0.45MM, RUDIMENTARY GRAPHIC
             INTERGROWTH OF PYX+PLAG;

             CLINOPYROXENE             (  0.4%)

             GLASS
             PATCHY SEGREGATIONS;

             ALBITE
             LATE SODIC FELDSPAR AS INTERSTICES*




Leg : 54    Top/Bottom Interval(mm):  100/ 120  Describer: Dmitriev, Y.
Hole: 428   Top of Core Depth(m)   :    67.00   Rock Type: IGNEOUS
Core:   6   Sample Midpoint(m)     :    68.61   Sect/Pc #:  2/PCE 1

ROCK = APHYRIC BASALT;
       Texture: INTERSERTAL*

Groundmass - OLIVINE
             Size(mm):    0.1X0.2

             PLAGIOCLASE
             Size(mm):   0.08X0.5
             GRAPHIC INTERGROWTH OF PLAG+PYX;

             CLINOPYROXENE
             Size(mm):        0.3

             MAGNETITE
             Size(mm):       0.05

             GLASS
             PATCHY SEGREGATIONS;

             ALBITE
             LATE SODIC FELDSPAR IN INTERSTICES*

Alteration - CLAY MINERALS
             Location: MATRIX         Replacing: VOLCANIC GLASS

             TALC
             Replacing: OLIVINE

Vesicles   -
             Percent:     0




Leg : 54    Top/Bottom Interval(mm): 1160/1180  Describer: Dmitriev, Y.
Hole: 428   Top of Core Depth(m)   :    67.00   Rock Type: IGNEOUS
Core:   6   Sample Midpoint(m)     :    69.67   Sect/Pc #:  2/PCE 12

ROCK = APHYRIC BASALT;
       Texture: PILOTAXITIC*

Groundmass - OLIVINE
             DIMENSIONS 0.15X0.2  EUHEDRAL GRAINS

             PLAGIOCLASE
             Morphology: SHEATH-LIKE,BOW-TIE
             DIMENSIONS 0.01X0.35;

             CLINOPYROXENE
             Morphology: INCIPIENT XTLS,

             Morphology: IRREGULAR GRAINS
             DIMENSIONS 0.12X0.25MM;

             GLASS
             CRYPTOCRYSTALLINE*

Alteration - CLAY MINERALS
             Location: MATRIX         Replacing: VOLCANIC GLASS

Vesicles   -
             Size(mm):      0.4
             Filling: SMECTITE

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.

Department of Commerce > NOAA > NESDIS > NCEI > doi:10.7289/V54M92G2