Core Data from the Deep Sea Drilling Project

Leg : 89    Top/Bottom Interval(mm):  130/ 170  Describer: Floyd, P.
Hole: 585A  Top of Core Depth(m)   :   799.60   Rock Type: SEDIMENTARY
Core:  13   Sample Midpoint(m)     :   805.75   Sect/Pc #:  5/

ROCK = CRYSTAL-LITHIC-VITRIC TUFF
       SOURCE IS IR, PALAG AND SMEC-REPLACED GLASS WITH
       ZONED XMEC INFILLING VESICLES, TACHYLITE, PLAG
       MEGACRYSTS PARTLY REPLACED BY GREEN SMEC OR CELAD*

Phenocrysts- PLAGIOCLASE

Groundmass - GLASS

Alteration - PALAGONITE
             Replacing: GLASS

             SMECTITE
             Replacing: GLASS,PLAG

             CELADONITE
             Replacing: PLAG




Leg : 89    Top/Bottom Interval(mm): 1210/1230  Describer: Floyd, P.
Hole: 585A  Top of Core Depth(m)   :   866.80   Rock Type: IGNEOUS
Core:  20   Sample Midpoint(m)     :   869.52   Sect/Pc #:  2/

ROCK = PLAG PHYRIC BASALT
       SOURCE IS IR, CLAST, THOLEIITIC;
       Texture: HOLOCRYSTALLINE, FINE-GRAINED*

Phenocrysts- PLAGIOCLASE
             ZONED VESICLE INFILLINGS*




Leg : 89    Top/Bottom Interval(mm):  610/ 650  Describer: Floyd, P.
Hole: 585A  Top of Core Depth(m)   :   876.00   Rock Type: IGNEOUS
Core:  21   Sample Midpoint(m)     :   876.63   Sect/Pc #:  1/

ROCK = APHYRIC BASALT
                       0
       SOURCE IS IR;
       Texture: HOLOCRYSTALLINE, MEDIUM-GRAINED*

Alteration - SMECTITE
             Location: MATRIX
             FIBROUS, GREEN AND BROWN*




Leg : 89    Top/Bottom Interval(mm):  100/ 140  Describer: Floyd, P.
Hole: 585A  Top of Core Depth(m)   :   885.10   Rock Type: SEDIMENTARY
Core:  22   Sample Midpoint(m)     :   886.72   Sect/Pc #:  2/

ROCK = LITHIC-VITIC TUFF
       SOURCE IS IR, GOLDEN BROWN PALAG CLASTS WITH PLAG
       MICRO AND MEGA-PHENOCRYSTS, MINOR QUENCHED LITHIC,
       FINE-GRAINED SMEC MATRIX*

Phenocrysts- PLAGIOCLASE

Alteration - SMECTITE
             Location: MATRIX

             PALAGONITE

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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