NOAA logo, National Centers for Environmental Information, National Oceanic and Atmospheric Administration NSF logo, National Science Foundation, Division of Ocean Sciences

Core Data from the Deep Sea Drilling Project


Leg : 38    Top/Bottom Interval(mm):    0/ 250  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   761.75
Core:  32   Top of Core Depth (m)  :   758.50
Sect:  3    Top of Section Depth(m):   761.50

LITHOLOGY: SEDIMENT (SANDSTONE);


Leg : 38    Top/Bottom Interval(mm):  250/ 570  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   762.07
Core:  32   Top of Core Depth (m)  :   758.50
Sect:  3    Top of Section Depth(m):   761.75

LITHOLOGY: BASALTIC BRECCIA;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC, SPOTTED, BRECCIATED, ANGULAR & NEAR ROUND
               BASALT, 1-6CM FRAGMENTS OF ANGULAR PALE BLUE-GREEN
               CHLORITE & ROUNDED CALCITE & HEMATITE;

  Structure  : WHITE CALCITE VEIN 1-3MM WIDE AT 37-40CM;

  Alteration : WEATHERED;

  Comments   : GRAYISH RED (5R 4/2) WITH GRAYISH & PALE BLUE-GREEN
               CHLORITE RIMS, CEMENT IS MODERATE YELLOWISH BROWN
               (10YR 5/4) SANDY SILT;

  Replacement: CHLORITE
               RIMS, FRAGMENTS;

               CALCITE
               IN VEIN, FRAGMENTS;

               HEMATITE
               FRAGMENTS;


Leg : 38    Top/Bottom Interval(mm):  570/ 970  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   762.47
Core:  32   Top of Core Depth (m)  :   758.50
Sect:  3    Top of Section Depth(m):   762.07

LITHOLOGY: BASALTIC BRECCIA;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC, BRECCIATED, BRECCIA AT 57-65 & 70-75 &
               95-97CM--CONTAINS ANGULAR CHLORITE AND BASALT
               FRAGMENTS CEMENTED BY GRAYISH RED MATRIX;

  Alteration : WEATHERED;

  Comments   : GRAYISH RED (5R 4/2) TO GRAYISH RED (10R 4/2);

  Replacement: CHLORITE


Leg : 38    Top/Bottom Interval(mm):  970/1500  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   763.00
Core:  32   Top of Core Depth (m)  :   758.50
Sect:  3    Top of Section Depth(m):   762.47

LITHOLOGY: DRILL BRECCIA;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : DRILL PEBBLES, ANGULAR CHLORITE & CHLORITIZED BASALT
               FRAGMENTS (SIZE 0.5-10CM) CEMENTED BY CHLORITE &
               CALCITE & GRAYISH RED CLAY MATRIX;

  Structure  : CALCITE VEIN AT 133CM;

  Replacement: CHLORITE

               CALCITE

               CLAY


Leg : 38    Top/Bottom Interval(mm):  750/1500  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   765.50
Core:  33   Top of Core Depth (m)  :   764.00
Sect:  1    Top of Section Depth(m):   764.75

LITHOLOGY: BASALTIC BRECCIA;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC, BRECCIA, ANGULAR & ROUND FRAGMENTS (SIZE
               0.1-5CM) CEMENTED BY CHLORITE;

  Comments   : GREENISH BLACK (5GY 2/1) TO DUSKY BLUE-GREEN
               (5BG 3/2), FRAGMENTS ARE BLACKISH RED (5R 2/2) &
               DARK GRAY (N3);

  Replacement: CHLORITE

               CALCITE
               VERY LITTLE WHITE CALCITE;


Leg : 38    Top/Bottom Interval(mm):  100/1300  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   766.80
Core:  33   Top of Core Depth (m)  :   764.00
Sect:  2    Top of Section Depth(m):   765.60

LITHOLOGY: BASALTIC BRECCIA;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED, INTERVALS 10-26 &
               75-130CM;

  Texture    : ANGULAR BLACKISH RED FRAGMENTS OF BASALT (SIZE
               0.3-8CM) CEMENTED BY CHLORITE-ZEOLITE MATRIX;

  Structure  : GOETHITE VEIN 5MM THICK AT 123-126CM--MAY BE
               PALAGONITE;

  Replacement: CHLORITE

               CALCITE
               SMALL AMOUNT OF CALCITE;

               ZEOLITE

               GOETHITE


Leg : 38    Top/Bottom Interval(mm):  260/ 750  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   766.25
Core:  33   Top of Core Depth (m)  :   764.00
Sect:  2    Top of Section Depth(m):   765.76

LITHOLOGY: APHYRIC BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC;

  Structure  : BRANCHING WHITE CALCITE VEINS;

  Comments   : DARK GRAY (N3) TO BROWNISH GRAY (5YR 4/1);

  Vesicles   : Size(mm):      1-3   Percent:
               Location:            Filling: ZEOLITE, CALCITE
               RARE AMYGDULES;

  Replacement: CALCITE

               ZEOLITE


Leg : 38    Top/Bottom Interval(mm): 1300/1500  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   767.00
Core:  33   Top of Core Depth (m)  :   764.00
Sect:  2    Top of Section Depth(m):   766.80

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : BRECCIATED;

  Structure  : CHLORITE-CALCITE-ZEOLITE VEINS;

  Replacement: CALCITE

               ZEOLITE

               CHLORITE


Leg : 38    Top/Bottom Interval(mm):   80/ 370  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   767.37
Core:  33   Top of Core Depth (m)  :   764.00
Sect:  3    Top of Section Depth(m):   767.08

LITHOLOGY: BASALTIC BRECCIA;
           SEDIMENT (SANDSTONE);

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : SPOTTY BRECCIA WITH SANDSTONE CEMENT, ANGULAR &
               ROUND FRAGMENTS OF GRAYISH BLUE-GREEN CHLORITE &
               ZEOLITE & GRAYISH RED BASALT;

  Comments   : MODERATE BROWN (5YR 3/4) TO LIGHT BROWN (5YR 5/6);

  Replacement: ZEOLITE

               CHLORITE


Leg : 38    Top/Bottom Interval(mm):  370/1500  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   768.50
Core:  33   Top of Core Depth (m)  :   764.00
Sect:  3    Top of Section Depth(m):   767.37

LITHOLOGY: BASALTIC BRECCIA;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC, ANGULAR & ROUND FRAGMENTS (SIZE 0.3-10CM)
               CEMENTED BY CHLORITE-ZEOLITE MATRIX;

  Comments   : FRAGMENTS ARE DARK GRAY & GRAYISH RED, MATRIX IS
               DUSKY BLUE-GREEN (5BG 3/2) TO GRAYISH BLUE-GREEN
               (5BG 5/2);

  Replacement: ZEOLITE

               CHLORITE


Leg : 38    Top/Bottom Interval(mm):  450/1500  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   775.00
Core:  34   Top of Core Depth (m)  :   773.50
Sect:  1    Top of Section Depth(m):   773.95

LITHOLOGY: BASALTIC BRECCIA;
           SAME LITHOLOGY AS CORE 33-3;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;


Leg : 38    Top/Bottom Interval(mm):    0/ 970  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   775.97
Core:  34   Top of Core Depth (m)  :   773.50
Sect:  2    Top of Section Depth(m):   775.00

LITHOLOGY: BASALTIC BRECCIA;
           SAME LITHOLOGY AS SEC 1;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;


Leg : 38    Top/Bottom Interval(mm):  970/1500  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   776.50
Core:  34   Top of Core Depth (m)  :   773.50
Sect:  2    Top of Section Depth(m):   775.97

LITHOLOGY: APHYRIC BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC;

  Comments   : MEDIUM GRAY (N5) TO MEDIUM LIGHT GRAY (N6), GRAYISH
               RED & PALE BLUE-GREEN PATCHES, DRILL PEBBLES;


Leg : 38    Top/Bottom Interval(mm):  760/1500  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   784.50
Core:  35   Top of Core Depth (m)  :   783.00
Sect:  1    Top of Section Depth(m):   783.76

LITHOLOGY: APHYRIC BASALT;
           SAME LITHOLOGY AS CORE 34;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC;

  Structure  : SLICKENSIDES FILLED WITH BLACK & RED CLAY MATERIAL
               (ZEOLITE WITH BASALTIC CLASTS);

  Vesicles   : RARE VESICLES AND AMYGDULES;

  Replacement: ZEOLITE

               CHLORITE

               CLAY


Leg : 38    Top/Bottom Interval(mm):    0/1500  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   786.00
Core:  35   Top of Core Depth (m)  :   783.00
Sect:  2    Top of Section Depth(m):   784.50

LITHOLOGY: APHYRIC BASALT;
           SAME LITHOLOGY AS SEC 1;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC;

  Structure  : INTERVALS 60-62 & 67-70 & 98-100CM CONTAIN GRAYISH
               GREEN & PALE YELLOWISH ZEOLITE? VEINS, SLICKENSIDE
               AT 140-148CM;

  Comments   : DRILL PEBBLES;

  Vesicles   : Size(mm):  0.2-0.5   Percent:
               Location:            Filling: ZEOLITE, CALCITE
               VERY SMALL ZEOLITE & CALCITE AMYGDULES AND RARE
               VESICLES WITH CALCITE & ZEOLITE ON WALLS AT
               80-90CM;

  Replacement: CALCITE

               ZEOLITE


Leg : 38    Top/Bottom Interval(mm):  400/ 450  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   792.95
Core:  36   Top of Core Depth (m)  :   792.50
Sect:  1    Top of Section Depth(m):   792.90

LITHOLOGY: APHYRIC BASALT;
           SAME LITHOLOGY AS CORE 35;

  Texture    : APHYRIC;


Leg : 38    Top/Bottom Interval(mm):  450/ 480  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   792.98
Core:  36   Top of Core Depth (m)  :   792.50
Sect:  1    Top of Section Depth(m):   792.95

LITHOLOGY: SEDIMENT (DOLOMITE);

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : FINE-GRAINED;

  Comments   : DRILL PEBBLES OR TWO SMALL PIECES OF MODERATE
               YELLOWISH DOLOMITE;


Leg : 38    Top/Bottom Interval(mm):  480/1500  Analyst: Kharin, G.
Hole: 345   Sample Midpoint (m)    :   794.00
Core:  36   Top of Core Depth (m)  :   792.50
Sect:  1    Top of Section Depth(m):   792.98

LITHOLOGY: APHYRIC BASALT;
           SAME LITHOLOGY AS INTERVAL 40-45CM;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC, SLIGHTLY BRECCIATED;

  Structure  : CALCITE VEINS AT 68-70 & 109-120CM;

  Vesicles   :
               Location:            Filling: ZEOLITE, CALCITE
               SMALL AMYGDULES AND VESICLES;

  Replacement: CALCITE

               ZEOLITE


    

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.

Department of Commerce > NOAA > NESDIS > NCEI > doi:10.7289/V54M92G2