Abstract

An old solution channel in the Burlington limestone near Columbia, Missouri. was found to be filled with a silt and clay deposit which, because of its laminated structure, resembles a varved clay. Closer study, followed by experimental deposition of material from the deposit in the laboratory, pointed to the conclusion that it is only varve-like. The control of alternation in sediment was probably a fluctuating ground water supply, not seasonal temperature variation.

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