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U.S. Geological Survey
Open-File Report 03-441

DATA REPORT: Geology of Reef-Front Carbonate Sediment Deposits around Oahu, Hawaii

North coast vibracores sketches, descriptions, and photographs

Home > data > vibracores > sketches, descriptions & photographs > north coast > vibracore 32V1

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Vibracore 32V1, north coast

Uniform succession of massive-appearing (bioturbated), fine- to medium-grained, algal/coral/foraminiferal carbonate sand: light brownish gray (5YR6/1); moderately well sorted; sand size clasts angular to rounded; composed mainly of a mix of calcareous algae (24.5-29.0%), coral fragments (24.0-24.5%) and foraminifera (24.0-25.0%); common volcanic rock fragments (4.5-7.0%) and Halimeda (7.5-8.0%); minor echinoid fragments (2.0-4.0%) and carbonate rock fragments (2.5%).

Labelled sketch of core showing bedding and other features
High detail photo of core

 
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http://geopubs.wr.usgs.gov/open-file/of03-441/data/vibracore/descriptions/nocoast32V.html

For more information, please contact: Monty Hampton

Pages created and maintained by Laura Zink Torresan
last modified 15 December 2003 (cad)

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