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Photographic demonstration of the annual nature of a varve type common in northern swedish lake sediments


Hydrobiologia 140(1): 93-95
Photographic demonstration of the annual nature of a varve type common in northern swedish lake sediments
Several lakes in northern Sweden have laminated sediments, of which many are interpreted as varved (annually laminated). In one of these lakes, a core of the recent sediment has been sampled annually since 1979 (except 1984). These cores verify that one varve, comprising of a thick summer layer (often color-banded) and a thin winter layer, is formed each year. The cores also show, that, other than compaction, no change in visual appearance of the individual varves takes place after they have been overlain by new varves.


Accession: 006110754



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