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Passive margins: U.S. Geological Survey Line 19 across the Georges Bank basin Passive margins: U.S. Geological Survey Line 19 across the Georges Bank basin

Georges Bank is a shallow part of the Atlantic continental shelf southeast of New England (Emery and Uchupi, 1972, 1984). This bank, however, is merely the upper surface of several sedimentary basins overlying a block-faulted basement of igneous and metamorphic crystalline rock. Sedimentary rock forms a seaward-thickening cover that has accumulated in one main depocenter and several...
Authors
Kim D. Klitgord, John S. Schlee, John A. Grow

System designed for issuing landslide alerts in the San Francisco Bay area System designed for issuing landslide alerts in the San Francisco Bay area

A system for forecasting landslides during major storms has been developed for the San Francisco Bay area by the U.S Geological Survey and was successfully tested during heavy storms in the bay area during February 1986. Based on the forecasts provided by the USGS, the National Weather Service (NWS) included landslide warnings in its regular weather forecasts or in special weather...
Authors
D. Finley

Cenozoic unconformities and depositional supersequences of North Atlantic continental margins: Testing the Vail model Cenozoic unconformities and depositional supersequences of North Atlantic continental margins: Testing the Vail model

Integrated outcrop, borehole, and seismic reflection stratigraphy from the U.S. and Irish margins of the North Atlantic basin reveals a framework of Cenozoic depositional supersequences and interregional unconformities that resembles the Vail depositional model. Paleo-bathymetric and paleoceanographic analyses of associated microfossil assemblages indicate a genetic link between the...
Authors
C. Wylie Poag, Lauck W. Ward
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