Abstract

The Quaternary Stratigraphy of the Isle of Man is outlined. The succession is divided into two suites, one the product of local periglacial processes, the other of successive Irish Sea ice penetration. A multiple sequence of Devensian glacigenic formations is identified, and the island is considered not to have been overridden during the last glaciation. A tentative chronology for the succession beneath sea-level is proposed. This suggests that Ipswichian, Wolstonian, Hoxnian and Anglian formations may lie deeply buried. Attention is drawn to the problems of ice gradient, chronology and rate and condition of retreat of the Devensian ice-sheet, as they affect current concepts of the limits of the last glaciation in the Irish Sea basin.

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