KGS Cyclic Sedimentation Original published in D.F. Merriam, ed., 1964, Symposium on cyclic sedimentation: Kansas Geological Survey, Bulletin 169, pp. 1-20

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Figure 3--Thin section of Florissant lake deposits showing short series of normal diatomite-sapropel varves interrupted by pumice layers. Upper band contains 11 normal layers; middle band 12; and lower band 7 (X 16).

black and white photo of thin section; described in caption

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Kansas Geological Survey
Comments to
Web version April 2003. Original publication date Dec. 1964.