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Core Data from the Deep Sea Drilling Project


Leg : 16    Top/Bottom Interval(mm):    0/   0  Analyst: Yeats, R.S.
Hole: 159   Sample Midpoint (m)    :   108.10
Core:  14   Top of Core Depth (m)  :   108.00
Sect: CC    Top of Section Depth(m):   108.10

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Texture    : BROWN CRUST UP TO 2MM THICK, MASSES OF WAXY
               FINE-GRAINED MATERIAL, LOCAL BLACK GLASSY AREAS UP
               TO 3MM ACROSS;

  Structure  : WEATHERED FRACTURES, AT LEAST ONE NEAR VERTICAL;

  Alteration : BROWNISH-BLACK MOST ALTERED, BROWNISH-GRAY LESS
               ALTERED, EARTHY, WEATHERED APPEARANCE, INCIPIENT
               WEATHERED ZONES IN FRESHER MATERIAL;

  Comments   : BROWNISH-GRAY (5YR 4/1) TO BROWNISH-BLACK (5YR 2/1)
               TO MEDIUM DARK GRAY DEPENDING ON ALTERATION,
               FRACTURE SURFACES ARE LIGHT BROWN (5YR 5/6) TO
               MODERATE BROWN (5YR 3/4), WAXY MATERIAL IS DARK
               GREENISH YELLOW (10Y 6/6) (POSSIBLY SERPENTINE);

  Vesicles   : Size(mm):   TO 1     Percent:
               Location:            Filling: UNIDENT
               IN FRESHER PARTS, IN MORE ALTERED PARTS VESICLES
               FILLED WITH EARTHY LIGHT BROWN (5YR 5/6)
               MATERIAL;

  Groundmass : PLAGIOCLASE
               FINE-GRAINED LATHS, FELTY TEXTURE IN MATRIX;


Leg : 16    Top/Bottom Interval(mm):    0/   0  Analyst: Yeats, R.S.
Hole: 159   Sample Midpoint (m)    :   245.00
Core: C 1   Top of Core Depth (m)  :   245.00
Sect:       Top of Section Depth(m):   245.00

LITHOLOGY: BASALT, AS IN CORE CATCHER;

  Piece No.  : PCE NO PCE NUMBERS ASSIGNED;

  Structure  : CONTAINS IRREGULAR PEGMATITE AREA 5MM ACROSS AND
               15MM LONG;

  Alteration : LACKS BROWN AND GREEN WEATHERED FRACTURE SURFACES
               THAT WERE PRESENT IN THE CORE CATCHER;

  Comments   : PEGMATITE AREA IS BLACK (N1) WITH VERY PALE ORANGE
               MINERALS (10YR 8/2);

  Vesicles   : Size(mm):     TO 1   Percent:
               AMYGDULES WITH LIGHT BROWN (5YR 5/6) FILLINGS;


    

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.

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