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Core Data from the Deep Sea Drilling Project


Leg : 32    Top/Bottom Interval(mm): 1270/1290  Describer: Marshall, M.
Hole: 313   Top of Core Depth(m)   :   588.00   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   589.28   Sect/Pc #:  1/PCE 1

ROCK = BASALT;
       Texture: INTERSERTAL,VESICULAR*

Groundmass - PLAGIOCLASE
             Size(mm):     .03X.3  Morphology: LATHS
             CORES ALTERED TO ZEOLITE;

             PYROXENE
             Size(mm):   .025X.15
             TITANOAUGITE,ALTERED,GROUNDMASS LARGELY ALTERED
             TO CLOUDS OF IRON OXIDE(GOETHITE)GRANULES AND
             MONTMORILLONITE(?)*

Alteration - MONTMORILLONITE
             Location: VESICLES       Replacing: GROUNDMASS

             CALCITE
             Location: VESICLES

             ZEOLITE
             Location: VESICLES       Replacing: PLAG

Vesicles   -
             Size(mm):    .1-.4
             Percent:    25
             Filling: CALCITE+ZEOLITE

             Filling: +MONT




Leg : 32    Top/Bottom Interval(mm):  390/ 410  Describer: Marshall, M.
Hole: 313   Top of Core Depth(m)   :   588.00   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   589.90   Sect/Pc #:  2/PCE 5

ROCK = BASALT;
       Texture: INTERSERTAL,VESICULAR*

Groundmass - PLAGIOCLASE
             Size(mm):     .04X.4  Morphology: LATHS
             CORES ALTERED TO ZEOLITE;

             PYROXENE
             Size(mm):    .04X.15  Morphology: PRISMS
             TITANOAUGITE,MUCH OF GROUNDMASS IS ALTERED TO
             MONTMORILLONITE(?)*

Vesicles   -
             Size(mm):    .2-.4
             Percent: 10-15
             Filling: ZEOLITE




Leg : 32    Top/Bottom Interval(mm):  780/ 800  Describer: Marshall, M.
Hole: 313   Top of Core Depth(m)   :   588.00   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   590.29   Sect/Pc #:  2/

ROCK = BASALT
       SOURCE IS IR*

Groundmass - PLAGIOCLASE
             Morphology: LATHS
             CORES OF PLAG LATHS FREQUENTLY ALTERED TO
             PHILLIPSITE?;

             AUGITE
             Morphology: PRISMS
             TITANOAUGITE

             AMPHIBOLE
             BROWN-HORNBLENDE?

             GLASS
             PALAGONITIZED-MATRIX*

Alteration - MONTMORILLONITE
             Location: VESICLES

             CALCITE
             Location: VESICLES

Vesicles   -
             Size(mm):   .05-.1
             Filling: CALCITE+MONT




Leg : 32    Top/Bottom Interval(mm):  750/ 790  Describer: Marshall, M.
Hole: 313   Top of Core Depth(m)   :   597.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   597.77   Sect/Pc #:  1/PCE 16

ROCK = BASALT
       SOURCE IS IR;
       Texture: INTERSERTAL, VESICULAR*

Groundmass - PLAGIOCLASE
             Size(mm):     .06X.6  Morphology: LATHS
             CORES ALTERED TO ZEOLITE;

             PYROXENE
             Size(mm):    .04X.15  Morphology: PRISMATIC
             TITANOAUGITE,APPARENTLY FRESH,SOME GROUNDMASS
             ALTERATION(TO MONT?)*

Vesicles   -
             Size(mm):    .1-.8
             Percent: 10-15
             Filling: ZEOLITE




Leg : 32    Top/Bottom Interval(mm):  750/ 820  Describer: Marshall, M.
Hole: 313   Top of Core Depth(m)   :   597.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   597.78   Sect/Pc #:  1/

ROCK = BASALT
       SOURCE IS IR;
       Texture: INTERGRANULAR*

Groundmass - PLAGIOCLASE
             Morphology: LATHS
             CORES ALTERED TO PHILLIPSITE?;

             AUGITE
             Morphology: PRISMS
             TITANOAUGITE;

             HORNBLENDE
             ELONGATE,BROWN,ID UNCERTAIN FOR HBL;

             BIOTITE
             SPARSE,RED-BROWN,X-RAY ANALYSIS SHOWS PRESENCE OF
             K-FELDSPAR,AMPHIBOLE APPEARS TO BE PRIMARY*

Alteration - PHILLIPSITE
             Location: VESICLES

Vesicles   -
             Filling: PHILLIPSITE




Leg : 32    Top/Bottom Interval(mm): 1250/1270  Describer: Marshall, M.
Hole: 313   Top of Core Depth(m)   :   597.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   599.76   Sect/Pc #:  2/

ROCK = BASALT
       SAME AS 32-313-44-1-75-82 EXCEPT SCATTERED PATCHES
       OF DUSTY BROWN GLASS,EXCEPT FOR ALTERATION OF PLAG
       CORES,ROCK APPEARS FRESH,SOURCE IS IR*




Leg : 32    Top/Bottom Interval(mm): 1440/1460  Describer: Marshall, M.
Hole: 313   Top of Core Depth(m)   :   597.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   601.45   Sect/Pc #:  3/

ROCK = BASALT
       SAME AS 32-313-44-2-125-127 EXCEPT MUCH MORE GLASS
       WHICH HERE IS A DARKER REDDISH-BROWN AND
       PALAGONITIZED,X-RAY ANALYSIS SHOWS THE PRESENCE OF
       K-FELDSPAR,SOURCE IS IR*

Vesicles   -
             Size(mm):    .2-.4
             Percent:    15
             Filling: ZEOLITE




    

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