Core Data from the Deep Sea Drilling Project

Leg : 84    Top/Bottom Interval(mm):    0/  60  Analyst: Ogawa, Y.
Hole: 569A  Sample Midpoint (m)    :   351.46
Core:  10   Top of Core Depth (m)  :   351.40
Sect:  1    Top of Section Depth(m):   351.40

LITHOLOGY: SEDIMENT (CALCAREOUS MUDSTONE);

  Comments   : PALE BLUE-GREEN(5BG 7/2);


Leg : 84    Top/Bottom Interval(mm):   60/1420  Analyst: Ogawa, Y.
Hole: 569A  Sample Midpoint (m)    :   352.82
Core:  10   Top of Core Depth (m)  :   351.40
Sect:  1    Top of Section Depth(m):   351.46

LITHOLOGY: DOLERITE;
           GREENSCHIST FACIES (METADOLERITE);

  Piece No.  : PCE 1 (7-10), 2 (12-23), 3A (26-39), 3B (39-48),
               3C (49-57), 3D (57-65), 3E (65-69), 3F (70-77),
               3G (78-83), 4 (85-91), 5 (93-103), 6 (106-112),
               7 (117-121), 9 (128-133);

  Structure  : FOLIATION IN PCES 4&7&9, PLAG VEINS IN SOME PCES,
               PTYGMATIC VEIN OF PLAG & QUARTZ IN PCE 3C, PCES 3E&5
               FRACTURED AND DISLOCATED BY SMALL THRUST FAULTS,
               PCE 6 FRACTURED, DYKE CONTAINS DOLERITE XENOLITHS;

  Alteration : PTYGMATIC VEIN OF PLAG & QUARTZ IN PCE 3C;

  Comments   : COLOR IS DARK-GREENISH GRAY(5G 4/1), STRONG
               FLATTENING DEFORMATION IN PCE 2, DETAILED SKETCH OF
               PCE 5 ON SHIPBOARD FORM, PCES 3A-3G METAMORPHOSED
               INTO GREENSCHIST FACIES;


Leg : 84    Top/Bottom Interval(mm): 1230/1420  Analyst: Ogawa, Y.
Hole: 569A  Sample Midpoint (m)    :   352.82
Core:  10   Top of Core Depth (m)  :   351.40
Sect:  1    Top of Section Depth(m):   352.63

LITHOLOGY: GABBRO;

  Piece No.  : PCE 8 (123-127), 10 (137-141);

  Structure  : FOLIATED, PLAG VEIN IN PCE 10;

  Comments   : PCE 10 IS GNEISSOSE GABBRO;


Leg : 84    Top/Bottom Interval(mm):    0/ 450  Analyst: Ogawa, Y.
Hole: 569A  Sample Midpoint (m)    :   353.35
Core:  10   Top of Core Depth (m)  :   351.40
Sect:  2    Top of Section Depth(m):   352.90

LITHOLOGY: DEFORMED GABBRO;

  Piece No.  : PCE 1 (3-30), 2 (34-44);

  Structure  : HIGHLY DIPPING FOLIATION OF FLATTENING OF GRAINS,
               PLAG VEINS, ORIGINAL LAYERING PRESENT;

  Comments   : GREENISH GRAY(5G 4/1) COLOR, DETAILED SKETCH ON
               SHIPBOARD FORM;


Leg : 84    Top/Bottom Interval(mm):   30/ 370  Analyst: Baltuck, M.
Hole: 569A  Sample Midpoint (m)    :   361.27
Core:  11   Top of Core Depth (m)  :   360.90
Sect:  1    Top of Section Depth(m):   360.93

LITHOLOGY: DIABASE;

  Piece No.  : PCE 1 (3-10), 2 (12-18), 3 (23-27), 4 (30-37);

  Structure  : FOLIATED, PLAG? VEINS;

  Comments   : DARK-GREENISH GRAY(5G 4/1);

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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