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): 1420/1500  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   111.50
Core:  12   Top of Core Depth (m)  :   104.00
Sect:  5    Top of Section Depth(m):   111.42

LITHOLOGY: APHYRIC TO PLAG-OL SPARSELY PHYRIC BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC TO SPARSELY PHYRIC, BRANCHING VARIOLITIC;

  Alteration : WEAKLY WEATHERED AND OXIDIZED;

  Comments   : DARK GRAY (N3);

  Vesicles   : Size(mm):      1-2   Percent:    10
               Location:            Filling: CHLORITE,CALCITE,

               Location:            Filling: SMECTITE
               AMYGDULES OF CHLORITE & CALCITE & SMECTITE;

  Phenocrysts: PLAGIOCLASE               (  3-5%)
               Size(mm):       <0.5

               OLIVINE                   (  1-2%)
               Size(mm):       >0.5

  Groundmass : COMBINATION
               INCLUDES PLAG & PYX, CONSISTS OF SKELETAL PLAG &
               BRANCHING VARIOLITES OF PLAG & PYX;

  Replacement: CHLORITE

               CALCITE

               SMECTITE


Leg : 38    Top/Bottom Interval(mm):  610/1500  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   115.00
Core:  13   Top of Core Depth (m)  :   113.50
Sect:  1    Top of Section Depth(m):   114.11

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC TO SPARSELY PHYRIC, VARIOLITIC, PIECE OF
               BRECCIA AT 118-120CM, FRAGMENTS OF GLASS &
               PALAGONITE & CHLORITE IN INTERVAL 110-120CM;

  Structure  : THIN CALCITE VEINS IN INTERVAL 132-150CM;

  Alteration : ALTERED BASALT;

  Comments   : VISUAL DESCRIPTION FORM INTERVALS ARE UNCLEAR;

  Vesicles   : Size(mm):      1-2   Percent:
               Location: ABUNDANT   Filling: CHLORITE,CALCITE
               AMYGDALOIDAL IN INTERVALS 103-108 & 135-144CM;

  Phenocrysts: COMBINATION               (  2-3%)
               Size(mm):       <0.5
               INCLUDES OL & PLAG, RARE OL PHENOS IN INTERVALS
               80-87 & 135-144CM;

  Replacement: CALCITE

               CLAY

               CHLORITE
               CEMENTED CLAY-CHLORITE MATRIX;

               PALAGONITE


Leg : 38    Top/Bottom Interval(mm):    0/1500  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   116.50
Core:  13   Top of Core Depth (m)  :   113.50
Sect:  2    Top of Section Depth(m):   115.00

LITHOLOGY: BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : VARIOLITIC, APHYRIC TO OL SPARSELY PHYRIC AT
               35-65CM, APHYRIC AT 105-113CM, APHYRIC TO SPARSELY
               PORPHYRITIC AT 116-150CM, BASALTIC BRECCIA FRAGMENT
               IN CHLORITE-CALCITE MATRIX AT 80-100CM;

  Structure  : CALCITE-CHLORITE VEINS AT 116-150CM, VEINS OF YELLOW
               CALCITE & FRAGMENTS OF DARK GREEN CHLORITE AT
               35-65CM;

  Alteration : OXIDIZED IN PLACES;

  Comments   : COLOR IS DARK GRAY (N3);

  Vesicles   : Size(mm):      1-2   Percent: 10-15
               Location:            Filling: CALCITE,CHLORITE,
               Shape   : ROUNDED

               Location:            Filling: SMECTITE
               VESICLES & AMYGDULES FILLED WITH CALCITE &
               CHLORITE & SMECTITE, INTERVALS 0-35 & 65-80 &
               100-105 & 113-116CM ARE AMYGDALOIDAL;

  Phenocrysts: OLIVINE
               Size(mm):       <0.5
               ALTERED OLIVINE PHENOS;

  Replacement: CALCITE

               SMECTITE

               CHLORITE


Leg : 38    Top/Bottom Interval(mm):   50/1500  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   118.00
Core:  13   Top of Core Depth (m)  :   113.50
Sect:  3    Top of Section Depth(m):   116.55

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC TO SPARSELY PHYRIC, VARIOLITIC, BRECCIATED,
               VOLCANIC BASALTIC GLASS FRAGMENTS & PALAGONITE &
               CHLORITE AT 50-53CM;

  Structure  : ABUNDANT VEINS OF CALCITE WITH CHLORITE;

  Alteration : OXIDATION NEAR 40CM;

  Comments   : COLOR IS DARK GRAY (N3);

  Vesicles   : Size(mm):      1-2   Percent:     5
               Location:            Filling: CALCITE
               AMYGDULES AT 20-23 & 137-140CM;

               Size(mm):    5-8CM   Percent:
               Location:            Filling: CALCITE
               AMYGDULES AT 50-53CM;

  Phenocrysts: OLIVINE
               Size(mm):       <0.5
               ALTERED OLIVINE PHENOS;

  Replacement: CALCITE

               CHLORITE

               PALAGONITE


Leg : 38    Top/Bottom Interval(mm):    0/ 750  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   118.75
Core:  13   Top of Core Depth (m)  :   113.50
Sect:  4    Top of Section Depth(m):   118.00

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC TO SPARSELY PHYRIC, BRECCIATED, FRAGMENTS OF
               BASALTIC GLASS & PALAGONITE AT 53-56CM;

  Structure  : ABUNDANT CALCITE-CHLORITE VEINS;

  Alteration : ALTERED BASALT;

  Vesicles   :
               Location:            Filling: CALCITE
               RARE AMYGDULES;

  Replacement: CALCITE

               CHLORITE

               PALAGONITE


Leg : 38    Top/Bottom Interval(mm):  750/1500  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   119.50
Core:  13   Top of Core Depth (m)  :   113.50
Sect:  4    Top of Section Depth(m):   118.75

LITHOLOGY: SEDIMENT;

  Comments   : "SEDIMENT OUT OF PLACE", SEDIMENT INCLUDES BASALT
               FRAGMENTS;


Leg : 38    Top/Bottom Interval(mm):    0/1500  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   124.50
Core:  14   Top of Core Depth (m)  :   123.00
Sect:  1    Top of Section Depth(m):   123.00

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;
           BASALTIC BRECCIA;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC TO SPARSELY PHYRIC, INTERVAL 0-60CM CONTAINS
               BASALTIC BRECCIA WITH BASALTIC FRAGMENTS IN A
               CHLORITE-CALCITE MATRIX, GLASS & PALAGONITE
               FRAGMENTS NEAR TOP OF SECTION;

  Structure  : ABUNDANT VEINS OF CALCITE WITH CHLORITE FRAGMENTS AT
               60-150CM;

  Alteration : YELLOW-GRAY OXIDATION NEAR THE VEINS;

  Vesicles   : Size(mm):      1-3   Percent:     5
               Location:            Filling: CALCITE, CHLORITE
               AMYGDULES OF WHITE CALCITE & GRAY-GREEN CHLORITE
               IN INTERVALS 0-2 & 15-22 & 110-117 & 144-150CM;

  Phenocrysts: OLIVINE
               RARE ALTERED OLIVINE PHENOS;

  Replacement: CALCITE

               CHLORITE

               PALAGONITE


Leg : 38    Top/Bottom Interval(mm):    0/1500  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   126.00
Core:  14   Top of Core Depth (m)  :   123.00
Sect:  2    Top of Section Depth(m):   124.50

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC TO SPARSELY PHYRIC, BRECCIATED, FRAGMENTS OF
               BASALTIC GLASS & PALAGONITE IN CHLORITE MATRIX AT
               INTERVALS 0-5 & 55-60 & 100-103 & 140-143CM;

  Structure  : CALCITE VEINS WITH CHLORITE FRAGMENTS AT 0-15 &
               135-150CM;

  Vesicles   :
               Location:            Filling: EMPTY
               Shape   : ROUNDED
               RARE VUGS AT 75-80CM;

  Phenocrysts: OLIVINE
               RARE OLIVINE PHENOS;

  Replacement: CALCITE

               CHLORITE

               PALAGONITE


Leg : 38    Top/Bottom Interval(mm):    0/1500  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   127.50
Core:  14   Top of Core Depth (m)  :   123.00
Sect:  3    Top of Section Depth(m):   126.00

LITHOLOGY: APHYRIC TO OL SPARSELY PHYRIC BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC TO SPARSELY PHYRIC, BRECCIATED, FRAGMENTS OF
               BASALTIC GLASS & PALAGONITE IN VEINS IN INTERVALS
               33-35 & 77-78CM;

  Structure  : ABUNDANT CHLORITE-SMECTITE VEINS CONTAINING DARK
               GREEN CHLORITE FRAGMENTS;

  Alteration : INTERVAL 5-30CM IS WEAKLY OXIDIZED;

  Replacement: CHLORITE

               SMECTITE

               PALAGONITE


Leg : 38    Top/Bottom Interval(mm):  750/1050  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   129.55
Core:  15   Top of Core Depth (m)  :   128.50
Sect:  1    Top of Section Depth(m):   129.25

LITHOLOGY: BASALTIC BRECCIA;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : INTERVALS 85-87 & 101-102CM CONTAIN BRECCIA WITH
               FRAGMENTS OF GLASS & PALAGONITE IN CHLORITE MATRIX;

  Replacement: CHLORITE

               PALAGONITE


Leg : 38    Top/Bottom Interval(mm): 1050/1500  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   130.00
Core:  15   Top of Core Depth (m)  :   128.50
Sect:  1    Top of Section Depth(m):   129.55

LITHOLOGY: APHYRIC TO SPARSELY PORPHYRITIC BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC TO SPARSELY PORPHYRITIC, WEAKLY BRECCIATED;

  Structure  : CALCITE VEINS WITH CHLORITE AT 120-130CM;

  Replacement: CALCITE

               CHLORITE


Leg : 38    Top/Bottom Interval(mm):   40/1500  Analyst: Kharin, G.
Hole: 337   Sample Midpoint (m)    :   131.50
Core:  15   Top of Core Depth (m)  :   128.50
Sect:  2    Top of Section Depth(m):   130.04

LITHOLOGY: APHYRIC TO SPARSELY PHYRIC BASALT;

  Piece No.  : PCE NO PIECE NUMBERS ASSIGNED;

  Texture    : APHYRIC TO SPARSELY PHYRIC, WEAKLY BRECCIATED,
               INTERVALS 17-21 & 70-75 & 145-148CM CONTAIN BRECCIA
               WITH GLASS & PALAGONITE & CHLORITE FRAGMENTS IN
               CHLORITE-SMECTITE MATRIX;

  Structure  : CALCITE-CHLORITE-SMECTITE VEINS;

  Replacement: CALCITE

               CHLORITE

               SMECTITE

               PALAGONITE


    

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