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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)

Abstract


Journal of Sedimentary Petrology
Vol. 44 (1974)No. 3. (September), Pages 931-934

A Visual Measure of Shingle Particle Form for Use in the Field

Roger S. Crofts

ABSTRACT

A rapid technique for assessing shingle particle form in the field is described. Particle shape (flatness/sphericity) and roundness (roundness/angularity) are determined separately with reference to a visual matrix of 6 categories each. The results are plotted directly on a bivariate scattergram. The results compare favorably with Cailleux's indices for environmental differentiation of particles.


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