Core Data from the Deep Sea Drilling Project

Leg : 60    Top/Bottom Interval(mm):    0/1000  Analyst: Nakamura, K.
Hole: 461A  Sample Midpoint (m)    :     2.50
Core:   1   Top of Core Depth (m)  :     0.00
Sect:  2    Top of Section Depth(m):     1.50

LITHOLOGY: SEDIMENTARY ROCK;


Leg : 60    Top/Bottom Interval(mm): 1000/1500  Analyst: Nakamura, K.
Hole: 461A  Sample Midpoint (m)    :     3.00
Core:   1   Top of Core Depth (m)  :     0.00
Sect:  2    Top of Section Depth(m):     2.50

LITHOLOGY: GABBRO;
           INCLUSIONS OF IGNEOUS COBBLES;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Texture    : HIGHLY DISTURBED MUD WITH PEBBLE INCLUSIONS OF
               HARD ROCKS, HARD ROCKS CONSIST MOSTLY OF LEUCO-GABBR
               AND GABBRO, ONLY LARGER COBBLES INDICATED ON
               VISUAL AS FROM 114-120CM;

  Alteration : MOD;

  Comments   : VITRIC MUD RANGES FROM DUSKY YELLOW (5Y6/4) TO PALE
               OLIVE (10Y6/2);


Leg : 60    Top/Bottom Interval(mm):    0/1500  Analyst: Nakamura, K.
Hole: 461A  Sample Midpoint (m)    :     4.50
Core:   1   Top of Core Depth (m)  :     0.00
Sect:  3    Top of Section Depth(m):     3.00

LITHOLOGY: IGNEOUS AND METAMORPHIC COBBLES IN VITRIC MUD;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Texture    : HIGHLY DISTURBED MUD WITH PEBBLE INCLUSIONS OF
               METABASALTS AND METADIABASES AS IN SECTION 2;

  Alteration : MOD;
               EXT
               45-52CM;


Leg : 60    Top/Bottom Interval(mm):    0/1500  Analyst: Nakamura, K.
Hole: 461A  Sample Midpoint (m)    :     6.00
Core:   1   Top of Core Depth (m)  :     0.00
Sect:  4    Top of Section Depth(m):     4.50

LITHOLOGY: IGNEOUS AND METAMORPHIC COBBLES IN VITRIC MUD;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Texture    : HIGHLY DISTURBED MUD WITH PEBBLE INCLUSIONS OF
               METABASALTS AND METADIABASES AS IN PREVIOUS
               SECTIONS;

  Structure  : PATCH OF CALCAREOUS OOZE AT 121CM;

  Alteration : MOD;

  Comments   : CALCAREOUS OOZE IS WHITE (N9), END OF LINER IS AT
               139CM AND THIS BEGINS THE CORE CATCHER TO 150CM;

  Replacement: CARBONATE


Leg : 60    Top/Bottom Interval(mm):    0/1500  Analyst: Nakamura, K.
Hole: 461A  Sample Midpoint (m)    :     7.50
Core:   2   Top of Core Depth (m)  :     6.00
Sect:  1    Top of Section Depth(m):     6.00

LITHOLOGY: IGNEOUS AND METAMORPHIC COBBLES IN VITRIC MUD;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Texture    : HIGHLY DISTURBED MUD WITH PEBBLE INCLUSIONS OF
               METABASALTS AND METADIABASES AS IN PREVIOUS
               SECTIONS, THREE UPWARDS FINING UNCONSOLIDATED
               PEBBLE CONGLOMERATES WHICH ARE SUBANGULAR TO
               SUBROUNDED, LARGER PEBBLES ARE MOSTLY BLACK TO GREY
               VOLCANIC ROCKS, LARGER ROCKS INDICATED ON VISUAL;

  Comments   : PCE AT 101-104CM IS YELLOWISH GREY (5Y7/2) AND PCE
               AT 110-111CM IS GREYISH YELLOW GREEN (5GY7/2),
               END OF LINER IS AT 135CM,CORE CATCHER FOLLOWS;

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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