Reports

Delaware River: Evidence for Its Former Extension to Wilmington Submarine Canyon

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Science  04 Feb 1977:
Vol. 195, Issue 4277, pp. 483-485
DOI: 10.1126/science.195.4277.483

Abstract

Seismic-reflection profiles indicate that during the Pleistocene the Delaware River flowed across the continental shelf east of Delaware Bay and emptied into Wilmington Submarine Canyon. The ancestral valley (width, 3 to 8 kilometers; relief, 10 to 30 meters) is buried, is not reflected in the surface topography, and probably predates the formation of the present canyon head

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