Core Data from the Deep Sea Drilling Project

Leg : 91    Top/Bottom Interval(mm):  520/ 950  Analyst: Rosencrantz, E.
Hole: 596   Sample Midpoint (m)    :    69.55
Core:   9   Top of Core Depth (m)  :    68.60
Sect:  1    Top of Section Depth(m):    69.12

LITHOLOGY: APHYRIC BASALT;

  Piece No.  : PCE 1 (53-58), 2 (60-79), 3A (80-84), 3B (85-88),
               3C (89-93);

  Texture    : APHYRIC, FINE-GRAINED, APPEARS QUITE FELSIC;

  Structure  : VEINS FILLED WITH FE.OXIDES & CARBONATES, STAINED
               FRACTURE SURFACES;

  Alteration : FRESH TO SLIGHT
               THIN ALTERATION HALOS ALONG FRACTURES DEFINED BY
               YELLOWISH BROWN STAINING, WHOLE ALTERATION APPEARS
               TO BE MINIMAL;

  Comments   : PCES 1&2 CONSIST OF PEBBLES AND SAND CORECUTTINGS,
               COLOR IS GRAY;

  Vesicles   : Size(mm):            Percent:     0

  Replacement: FERROUS OXIDE

               CARBONATE

               FERROUS HYDROX MINS

               MANGANESE OXIDE
               FRACTURE SURFACES STAINED WITH FE.HYDROXIDES AND
               MANGANESE COATINGS;

               SMECTITE
               SMALL AMOUNT GREEN SMECTITE;

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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