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The AAPG/Datapages Combined Publications Database
Journal of Sedimentary Research (SEPM)
Abstract
A Rotary Type of Sample Splitter
C. K. Wentworth, W. L. Wilgus, H. L. Koch
ABSTRACT
The writers discuss certain problems of sampling and describe tests of a rotary splitting machine in a large and a small form. Used on sandy gravel for mechanical composition samples the rotary device shows marked superiority over the Jones type. Used on mineral grain mixtures, where the size of final sample is purposely restricted the rotary machine gives results perhaps slightly better than those from non-rotary devices but it is doubted if much more valid splitting can be expected from any mechanical device because of the limit inherent in statistical theory as applied to small samples.
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