| Summary: | ation s a nd iet ersity land rolah sedim In southeastern Finland, the marine (Litorina) transgression maximum occurred ca. 6500–6200 14C yr BP (7400–7100 cal. yr BP). In areas of the slower land uplift rate on the Karelian Isthmus and in Ingermanland, the transgression maximum occurred ca. 6400– Tooley, 1989). In Fennoscandia the rate of land uplift had slowed down after the melting of the continental ice Most of the Baltic Sea was distinctly brackish by ca. 7500 BP (8200 cal. BP), which marks the clear onset of ARTICLE IN PRESSsheet, at which phase the eustatic rise of ocean level in the area of the Danish Straits exceeded the rate of land the Litorina Sea stage. The beginning of this stage is the clearest observable stratigraphical boundary in the bottom sediment of the Baltic Sea. The grey clay of the Ancylus Lake stage is abruptly transformed into finely laminated greenish-grey gyttja clay, usually
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