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Oslo. ISSN 0300-9483.The glacier movements and corresponding ice margins in Central Norway during Younger Dryas and Preboreal are reconstructed. Scattered, older marginal deposits are difficult to correlate. Raised beach features indicate that the deep fiords became ice-free at an early stage due to calving. In Mere og Romsdal county the glacier front lay at the fiord heads during Younger Dryas, with extensive local glaciation in the intervening mountain areas, and a limit of glaciation 500-600 m lower than the present. In certain places local moraines older than Younger Dryas have been preserved. Autochthonous block fields are widespread in the mountains of Mdre og Romsdal. The lower limit of block fields lies at c. 500 m above sea level on the outermost coast and rises to c. 1500 m above sea level in the interior fjord country. No erratics, striation or lateral moraines from the inland ice have been found above this limit. Its gradient, which in outer fjord districts is about 1 %, seems to indicate the ice surface at the last maximum of Weichsel glaciation.

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