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Science 4 February 1977:
Vol. 195. no. 4277, pp. 483 - 485
DOI: 10.1126/science.195.4277.483
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Articles

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

DAVID C. TWICHELL 1, HARLEY J. KNEBEL 1, and DAVID W. FOLGER 1

1 Office of Marine Geology, U.S. Geological Survey, Woods Hole, Massachusetts 02543

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

Submitted on July 26, 1976
Revised on September 21, 1976


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Summary of progress in geomorphologic modelling of continental slope canyons.
N. C. Mitchell (2008)
Geological Society, London, Special Publications 296, 183-194
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