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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)

Abstract


Journal of Sedimentary Petrology
Vol. 5 (1935)No. 3. (December), Pages 137-145

A Test for the Significance of Lithological Variations

Churchill Eisenhart

ABSTRACT

It is pointed out that the notion of "homogeneity" is dependent on the classification used. Sampling fluctuations are such that two or more samples are rarely identical for any classification, and, therefore, some criterion is needed to indicate plausibility of homogeneity in a given instance. The Chi-Square test is an appropriate criterion, and it is easily applied to geological data, as is shown in some worked samples.


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