FTP, give this originally Swedish term for annual layers of sediment.
According to the glossary of glacier terminology, this is defined as a pair of sedimentary layers which form couplets in glacial lakes consisting of a dark coarse-grained summer layer and a light fine-grained winter layer. FTP, give this originally Swedish term for annual layers of sediment. 
According to the glossary of glacier terminology, this is defined as a pair of sedimentary layers which form couplets in glacial lakes consisting of a dark coarse-grained summer layer and a light fine-grained winter layer.
varves