Macrostratigraphy: Glacial varves - Lake Silvaplana / Switzerland@en
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These clastic (minerogenic) varves are formed by a discontinuous (highly seasonal) supply of suspended sediments, in this case glacial melt-water streams. The varves consist of laminae composed of coarse particles (sand, silt) and fine-grained (clay) laminae deposited in winter (winter layer). […]
创建时间：
2026-04-14
