Core Data from the Deep Sea Drilling Project

Leg : 66    Top/Bottom Interval(mm):    0/   0  Describer: Stephan, J-F
Hole: 489A  Top of Core Depth(m)   :   300.00   Rock Type: METAMORPHIC
Core:  32   Sample Midpoint(m)     :   300.85   Sect/Pc #: CC/

ROCK = BIOTITE-MUSCOVITE QUARTZ SCHIST
       DRILLING BRECCIA*

Groundmass - BIOTITE
             COMMON;

             HORNBLENDE

             MUSCOVITE
             COMMON*




Leg : 66    Top/Bottom Interval(mm):  260/ 280  Describer: Stephan, J-F
Hole: 489A  Top of Core Depth(m)   :   309.00   Rock Type: METAMORPHIC
Core:  33   Sample Midpoint(m)     :   309.27   Sect/Pc #:  1/

ROCK = BIOTITE-HORNBLENDE-QUARTZ SCHIST*

Groundmass - BIOTITE
             COMMON;

             HORNBLENDE
             COMMON*




Leg : 66    Top/Bottom Interval(mm):  400/ 420  Describer: Stephan, J-F
Hole: 489A  Top of Core Depth(m)   :   309.00   Rock Type: METAMORPHIC
Core:  33   Sample Midpoint(m)     :   309.41   Sect/Pc #:  1/

ROCK = MUSCOVITE-CHLORITE-BEARING QUARTZITE*

Groundmass - CHLORITE
             COMMON;

             MUSCOVITE
             FEW*

Alteration - CALCITE
             Location: VEIN




Leg : 66    Top/Bottom Interval(mm):  350/ 370  Describer: Stephan, J-F
Hole: 489A  Top of Core Depth(m)   :   318.00   Rock Type: METAMORPHIC
Core:  34   Sample Midpoint(m)     :   318.36   Sect/Pc #:  1/

ROCK = GARNET-MUSCOVITE-QUARTZ SCHIST*

Groundmass - GARNET
             COMMON;

             MUSCOVITE
             ABUNDANT*

Alteration - CALCITE
             Location: VEINLET

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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