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Sediments on the Shelf South of Martha's Vineyard (HOLLISTER69 shapefile)

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 04:26 AM | Dataset Last Updated: November 16, 2021 at 12:00 AM
An unusual accumulation ofi ncohesive fine-grained sediment (silt and clay) occurs in the midst of the sand-covered continental shelf south of Martha's Vineyard. This 4000 square mile deposit of soft material is assumed to overlie relict Pleistocene sands. The objective of this study was to determine the distribution, thickness, and engineering properties of this fine-grained deposit.

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