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Defining Petrophysical Units of the Palmer Deep Sites from Leg 178

Hatfield, K.L., Evans, A.J. and Harvey, P.K. (2002) Defining Petrophysical Units of the Palmer Deep Sites from Leg 178. In: Proceedings of the Ocean Drilling Program, Scientific Results. Proceedings of the Ocean Drilling Program, 178 . Ocean Drilling Program , pp. 1-17. ISBN 1096-7451

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Abstract

Palmer Deep, on the inner continental shelf southwest of Anvers Island off the Antarctic Peninsula, is a glacially overdeepened basin consisting of three subbasins. Two sites, 1098 and 1099, were drilled in the Palmer Deep area. A high-resolution porosity curve has been calculated from density data and subsequently plotted against the shipboard lithologic logs. These new data correspond accurately to the lithologic logs, magnetic susceptibility, and gamma ray attenuation (GRA) density data and offer information on the heterogeneity of the sediments. Petrophysical groups have been generated to investigate interrelationships between different physical attributes. To develop these petrophysical groups, crossplots of the available physical properties data were performed. The results for the GRA density and magnetic susceptibility crossplots demonstrate distinct clusters. Plotting the magnetic susceptibility and GRA density data logs (divided into these new petrophysical groups) against lithology provided information to subdivide the lithologic unit(s) into a series of petrophysical units.

Item Type: Book Section
Academic Units: The University of Leeds > Faculty of Environment (Leeds) > School of Geography (Leeds)
Depositing User: Repository Officer
Date Deposited: 24 Jan 2005
Last Modified: 08 Feb 2013 17:01
Published Version: http://www-odp.tamu.edu/publications/178_SR/VOLUME...
Status: Published
Publisher: Ocean Drilling Program
Refereed: Yes
URI: http://eprints.whiterose.ac.uk/id/eprint/251

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