Abstract
Mollusc shells have been found on the west side of Fjärås bräcka which is the most wellknown part of the end moraine line called “Göteborgsmoränen” on the west coast of Sweden. Balanides and Mytilus occurred in clay below sand and gravel (see fig 1). The clay was deposited directly on stratified drift, which seemed to have been a little pushed. The shells were dated by the C14 method to 12 550 years BP. This means that the inland ice must have retreated from the west side of Fjärås bräcka and the land west of it at the time of oldest Dryas or beginning of Bölling.

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