Evidence of freshwater lake deposits in geologic history does not come from

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Freshwater lake deposits should not be closely associated with marine sediments since they are from a different environment. Therefore, the absence of close association with marine sediments is evidence of freshwater lake deposits. However, sediment grain size differences, fish and other freshwater fossils, and associated river sediments are all evidence of freshwater lake deposits.

Evidence of Freshwater Lake Deposits in Geologic History Does Not