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Core Data from the Deep Sea Drilling Project


Leg : 54    Top/Bottom Interval(mm):    0/ 400  Analyst: Srivastava, R.K.
Hole: 429A  Sample Midpoint (m)    :    31.40
Core:   1   Top of Core Depth (m)  :    31.00
Sect:  1    Top of Section Depth(m):    31.00

LITHOLOGY: SEDIMENT;
           CLAYEY OOZE;

  Piece No.  : FROM 0-40CM;


Leg : 54    Top/Bottom Interval(mm):  400/ 750  Analyst: Srivastava, R.K.
Hole: 429A  Sample Midpoint (m)    :    31.75
Core:   1   Top of Core Depth (m)  :    31.00
Sect:  1    Top of Section Depth(m):    31.40

LITHOLOGY: APHYRIC BASALT;

  Piece No.  : PCE 1 (41-45), 2 (47-51), 3 (53-61), 4 (64-66),
               5 (70-73);

  Texture    : APHYRIC,FINE-GRAINED TO SPHERULITIC;

  Structure  : FRACTURE ZONES HAVE MINOR FE.OX;

  Alteration : FRESH
               BROWN INTERCRUSTATION ALONG BROKEN SURFACES IN PCE
               3 & SLIGHT ALTERATION ALONG MARGIN OF PCE 1;

  Comments   : AT THE CONTACT WITH SEDIMENT THERE WERE PCES OF
               REDDISH BROWN CLAY AT ONE END OF PCE 1;

  Vesicles   :
               Location:            Filling: CALCITE
               FILLED PINHOLE VESICLES ARE SEEN IN PCES 3+4 &
               A FEW IN PCE 5;

  Replacement: CLAY
               REDDISH BROWN CLAY AT INTERFACE OF PCE 1;

               FERROUS MN OXIDE
               ALONG FRACTURE ZONES;

               CALCITE
               IN VESICLES;


Leg : 54    Top/Bottom Interval(mm):    0/1500  Analyst: Srivastava, R.K.
Hole: 429A  Sample Midpoint (m)    :    38.00
Core:   2   Top of Core Depth (m)  :    36.50
Sect:  1    Top of Section Depth(m):    36.50

LITHOLOGY: APHYRIC BASALT;

  Piece No.  : PCE 1 (1-4), 2 (6-8), 3 (11-18), 4A (20-25),
               4B (25-30), 5A (31-38), 5B (37-44), 6 (46-49),
               7 (51-57), 8 (59-63), 9 (64-71), 10 (73-77),
               11 (79-83), 12 (85-90), 13 (92-98), 14 (100-105),
               15 (106-113), 16 (115-121), 17 (123-129),
               18 (131-135), 19 (137-141), 20 (145-148);

  Texture    : APHYRIC,FINE-GRAINED,GLASSY TO SPHERULITIC,GLASSY
               SELVAGES ON PCES 1-4A+6-7+14-15;

  Structure  : FRACTURED SURFACES ON ALL PCES,IRREGULAR CALCITE
               VEINS RUNNING ACROSS PCES 5A+5B;

  Alteration : FRESH
               PCES 1-2+6-10+13+15-20;
               SLIGHTLY
               PCES 3-5B+11-12+14,WEATHERING RINDS OR RIMS ALONG
               FRACTURED SURFACES WHICH HAVE A BLUISH OR DIRTY
               BROWN COATING;

  Comments   : BASALT IS DARK COLORED;

  Vesicles   : Size(mm):            Percent:  RARE
               Location:            Filling:
               Shape   : PINHOLE

  Replacement: CALCITE
               IN VEINS ON PCES 5A+5B;


Leg : 54    Top/Bottom Interval(mm):    0/ 120  Analyst: Srivastava, R.K.
Hole: 429A  Sample Midpoint (m)    :    38.12
Core:   2   Top of Core Depth (m)  :    36.50
Sect:  2    Top of Section Depth(m):    38.00

LITHOLOGY: APHYRIC BASALT;

  Piece No.  : PCE 1 (0-5), 2 (6-11);

  Texture    : APHYRIC,FINE-GRAINED;

  Structure  : FRACTURE SURFACES ON BOTH PCES;

  Alteration : FRESH
               WEATHERING RINDS ON BOTH PCES;

  Comments   : GREENISH YELLOW COATING ON FRACTURE SURFACES;

  Vesicles   : VESICULAR;


Leg : 54    Top/Bottom Interval(mm):    0/ 650  Analyst: Srivastava, R.K.
Hole: 429A  Sample Midpoint (m)    :    46.65
Core:   3   Top of Core Depth (m)  :    46.00
Sect:  1    Top of Section Depth(m):    46.00

LITHOLOGY: SEDIMENT;

  Texture    : SIMILAR TO THAT IN CORE 1-1;

  Comments   : MOST LIKELY THESE HAVE FALLEN DOWN IN THE HOLE & AS
               SUCH ARE NOT IN PLACE;


Leg : 54    Top/Bottom Interval(mm):  650/1300  Analyst: Srivastava, R.K.
Hole: 429A  Sample Midpoint (m)    :    47.30
Core:   3   Top of Core Depth (m)  :    46.00
Sect:  1    Top of Section Depth(m):    46.65

LITHOLOGY: APHYRIC BASALT;

  Piece No.  : PCES 1 (65-71), 2 (73-77), 3 (80-86), 4 (86-94),
               5 (94-103), 6 (107-115), 7A (117-120),
               7B (121-127);

  Texture    : APHYRIC,FINE-GRAINED BUT COARSER IN PCES 5-7B,GLASSY
               SELVAGE ON PCE 1,SPHERULITIC;

  Structure  : FRACTURED SURFACES WITH SHINING YELLOW INCRUSTATION
               ON PCE 3;

  Alteration : FRESH
               WEATHERING RIND IS VISIBLE ON PCES 2+3;

  Comments   : DARK COLORED BASALT;

  Vesicles   : VESICLES MOSTLY EMPTY;


    

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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