Abstract

Regional seismic surveys have identified a wedge of late Quaternary sediment extending 150 km south from the Hudson River apron along the edge of the continental shelf off New Jersey. The bottom of the sediment wedge is defined by a prominent reflector that is assumed to be an erosional surface carved during a lowstand of sea level, probably corresponding to the Wisconsin Maximum glaciation (about 18 000 years ago). An extremely high resolution 3-D seismic reflection survey of the southern part of the wedge (Figure 1) was carried out in 1993 as part of the STRATAFORM (STRATA FORMation on Margins) initiative, funded by the U.S. Office of Naval Research.

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