Abstract

Degraded barriers developed at various intervals between 8,000 and 14,000 years B.P. The 30 km width suggests: (1) two or more prograding barriers with the younger barrier being landward of the older barrier; or (2) successive small barriers forming landward of preexisting, partly preserved barriers. Sea level rose, submerged, partial removal by erosion. Slow aggradation of the ridges since isolation on the mid-shelf.--Modified journal abstract.

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