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Open-File Report 03-441

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

By Monty A. Hampton, Charles T. Blay, Christopher Murray, Laura Z. Torresan, Cathy S. Frazee, Bruce M. Richmond, and Charles H. Fletcher

Oahu, Hawaii map showing locations of study areas: North Coast, Leeward Coast, Kailua Bay, and South CoastIntroduction

This Open-File Report presents data and derivative products from an investigation of carbonate sediment deposits on the reef front in four areas around the island of Oahu, Hawaii - in Kailua Bay off Oahu's windward (east) side, off the leeward (west) coast from Makua to Kahe Point, off the north coast from Waimea to Camp Erdman, and off the south coast around Waikiki (Figure 1). The primary purpose of the investigation was to assess the resource potential of the deposits, particularly as a source of sand for beach nourishment. This work builds on previous studies by researchers from the University of Hawaii (Moberly et al., 1975; Coulbourn et al., 1988; Barry, 1995). The field program included collection of high-resolution acoustic-reflection profiles and vibracore sediment samples in Kailua Bay and off the leeward and north coasts. In a related project, in collaboration with the Hawaii State Department of Land and Natural Resources and the University of Hawaii, sidescan images and vibracores were collected in the Halekulani channel and on the adjacent Makua Terrace off Waikiki along the south coast.

First posted December 15, 2003

For additional information, contact:
Contact Information, Pacific Coastal and Marine Science Center
U.S. Geological Survey
Pacific Science Center
400 Natural Bridges Drive
Santa Cruz, CA 95060

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Suggested citation:

Hampton, Monty A. Blay, Charles T. Murray, Christopher Torresan, Laura Z. Frazee, Cathy S. Richmond, Bruce M. Fletcher, Charles H., 2003, DATA REPORT - Geology of Reef-Front Carbonate Sediment Deposits around Oahu, Hawaii: U. S. Geological Survey Open-File Report 03-441,

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