Core Data from the Deep Sea Drilling Project

Leg : 69    Top/Bottom Interval(mm):   30/ 550  Analyst: Natland, J.
Hole: 505A  Sample Midpoint (m)    :   197.05
Core:   1   Top of Core Depth (m)  :   196.50
Sect:  1    Top of Section Depth(m):   196.53

LITHOLOGY: PLAG-OL SPARSELY PHYRIC BASALT;

  Piece No.  : PCES 99 (3-9), 100 (12-17), 101 (20-22),
               102 (25-33), 103 (36-43), 104 (46-52);

  Texture    : SPARSELY PHYRIC,PCES 102+104 HAVE GLASS;

  Structure  : PCE 99 HAS SURFACE PARTIALLY COATED WITH CLAYS;

  Vesicles   : Size(mm):       <1   Percent:    <1
               Location:            Filling: SMEC,CLAY.MINS
               SMEC IS LIGHT GREEN,GLASS VESICLES ARE FILLED WITH
               WHITE CLAYS WHICH SOMETIMES HAVE FE.HYDROX STAINS;

  Phenocrysts: PLAGIOCLASE               ( TO 5%)
               Size(mm):        1-5

               OLIVINE                   (   <1%)
               Size(mm):        1-2

  Replacement: SMECTITE
               LIGHT GREEN;

               CLAY
               WHITE CLAY.MINS,GREEN & GRAY-BROWN CLAYS COAT PCE
               99;


               FERROUS HYDROX MINS
               HYDROX,STAINS SOME GLASS VESICLE FILLING;


Leg : 69    Top/Bottom Interval(mm):   30/ 750  Analyst: Natland, J.
Hole: 505A  Sample Midpoint (m)    :   204.25
Core:   2   Top of Core Depth (m)  :   203.50
Sect:  1    Top of Section Depth(m):   203.53

LITHOLOGY: PLAG-CPX-OL MOD PHYRIC BASALT;

  Piece No.  : PCES 105 (3-10), 106 (13-22), 107 (25-30),
               108 (33-37), 109 (42-54), 110 (58-63), 111 (65-72);

  Texture    : MOD PHYRIC,HOLOXTLLINE,MICROLITIC,PCE 105 HAS GLASS
               RIND;

  Structure  : CRACKS ALMOST ABSENT;

  Alteration : PCE 107 HAS REDDISH OXIDATION ALTERATION RIND;

  Vesicles   : Size(mm):     TO 1   Percent:    <1
               Location:            Filling: SMEC,CARB.UNSPEC
               SMEC IS LIGHT GREEN AS IS CARB.UNSPEC;

  Phenocrysts: PLAGIOCLASE               ( TO 5%)
               Size(mm):        1-5

               CLINOPYROXENE             ( TO 2%)
               Size(mm):       TO 3

               OLIVINE                   ( RARE%)
               Size(mm):         <1

  Replacement: SMECTITE
               Minerals Replaced: OL

               SMECTITE
               LIGHT GREEN;

               CARBONATE
               UNSPEC,LIGHT GREEN;

               UNIDENTIFIED
               PCE 107 HAS REDDISH OXIDATION ALTERATION RIND;


Leg : 69    Top/Bottom Interval(mm):    0/   0  Analyst: Natland, J.
Hole: 505A  Sample Midpoint (m)    :   208.50
Core: B 1   Top of Core Depth (m)  :   208.50
Sect:       Top of Section Depth(m):   208.50

LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;

  Piece No.  : PCES NO PCE NUMBERS ASSIGNED;

  Texture    : ABOUT 25-30 BITS OF BASALT(TO 1CM DIAMETER & MOSTLY
               SMALLER) INCLUDING SOME GLASS;

  Comments   : BITS ARE STORED IN BOTTOM OF CORE 2-1;

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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