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Scientific literature and information products produced by Woods Hole Coastal and Marine Science Center staff

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Stratigraphy, structure, absolute age, and paleontology of the upper Pleistocene deposits at Sankaty Head, Nantucket Island, Massachusetts Stratigraphy, structure, absolute age, and paleontology of the upper Pleistocene deposits at Sankaty Head, Nantucket Island, Massachusetts

The Sankaty Head cliff exposes drift of at least two glaciations and interglacial marine deposits. Radiocarbon, amino-acid- racemization, and uranium-thorium analyses were used to determine the absolute ages of the beds. The results indicate that 1) the Sankaty Sand correlates with oxygen-isotope stage 5 (Sangamonian), 2) the underlying drift is older than stage 5 (Illinoian or older)...
Authors
Robert Oldale, Page Valentine, T. Cronin, E.C. Spiker, B. Blackwelder, D. Belknap, J.F. Wehmiller, Barney Szabo

MRNIDX - Marine Data Index: Database Description, Operation, Retrieval, and Display MRNIDX - Marine Data Index: Database Description, Operation, Retrieval, and Display

A database referencing the location and content of data stored on magnetic medium was designed to assist in the indexing of time-series and spatially dependent marine geophysical data collected or processed by the U. S. Geological Survey. The database was designed and created for input to the Geologic Retrieval and Synopsis Program (GRASP) to allow selective retrievals of information...
Authors
Valerie Paskevich

Sedimentation of lithogenic particles in the deep ocean Sedimentation of lithogenic particles in the deep ocean

Investigation of lithogenic particles collected by sediment traps in open-ocean stations revealed that the sediment flux increased linearly with depth in the water column. This rate of increase decreased with distance of the station from the continent; it was largest at the Panama Basin station and almost negligible at the E. Hawaii Abyssal Plain station. At the Panama Basin station...
Authors
S. Honjo, S.J. Manganini, L.J. Poppe

Holocene sedimentation in the shallow nearshore zone off Nauset Inlet, Cape Cod, Massachusetts Holocene sedimentation in the shallow nearshore zone off Nauset Inlet, Cape Cod, Massachusetts

Present conditions and sedimentary evolution of the shallow offshore region near Nauset Inlet on Cape Cod, Massachusetts were clarified using high-resolution seismic-reflection profiles, sidescan-sonar records, surface grab samples and current meter measurements. The study area contains three provinces: (1) a nearshore province (shallower than 18 m) with a relatively steep slope (0.6°)...
Authors
D.G. Aubrey, D.C. Twichell, S.L. Pfirman

A new instrument for sampling flocculent material at the water/sediment interface A new instrument for sampling flocculent material at the water/sediment interface

We have designed an instrument to collect fine-grained and flocculent material from the water/sediment interface for chemical and mineralogical analysis. The sampler can be used from a manned research submersible or by a diver in shallow water. In areas of active deposition, the material collected represents the most recently deposited sediment. This material is of interest for...
Authors
Michael H. Bothner, Page Valentine

Atlantic continental margin of the United States Atlantic continental margin of the United States

The objective of this Decade of North American Geology (D-NAG) volume will be to focus on the Mesozoic and Cenozoic evolution of the U.S. Atlantic continental margin, including the onshore coastal plain, related onshore Triassic-Jurassic rift grabens, and the offshore basins and platforms. Following multiple compressional tectonic episodes between Africa and North America during the...
Authors
John Grow, Robert Sheridan
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