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A Method for the Quantitative Estimation of the Faunal Content of Well Cemented Fossiliferous Rocks

John C. Tipper
Journal of Paleontology
Vol. 50, No. 1 (Jan., 1976), pp. 175-179
Stable URL: http://www.jstor.org/stable/1303649
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
A Method for the Quantitative Estimation of the Faunal Content of Well Cemented Fossiliferous Rocks
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Abstract

The Unit Sampling Method is a binomial sampling method capable of providing consistent estimates at a known confidence level of the volumetric abundances of individual fossil groups in a fauna. Preliminary estimates of the probability of detecting each group in a single sampling unit can be converted to estimates of the group's volumetric abundance by means of correction curves, provided that the relative sizes of the fossil groups are known with respect to the size of the sampling units. The curves are obtained by an easily repeated computer simulation, and are specific to the size/frequency distribution of the sampling units.

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