Abstract

The encroaching sea came against glacially eroded bedrock and several types of glacial and glaciomarine deposits in New Hampshire. Wave action, concentrating on till headlands and rock promontories, has built a variety of beach types. Detritus has been drifted locally in both directions along the shore, and the longshore drifting has no over-all pattern. The beach trends are not parallel to the general shore-line trend, and the writer suggests that individual beaches are oriented normal to the largest storm waves that reach the area. Following deglaciation, the land has risen isostatically and the seal level eustatically. Evidence indicates that a postglacial sequence of relative submergence, emergence, and submergence has occurred. Classical geomorphic shore-line classifications do not fit every part of the area, and it is therefore best described geographically and in terms of its evolution.

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