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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)


Journal of Sedimentary Petrology
Vol. 50 (1980)No. 2. (June), Pages 644-645

The Effect of Hydrofluoric Acid on Quartz Shape--Previous HitFourierNext Hit Grain Shape Analysis: METHOD PAPER

Douglas J. Schultz


Previous HitFourierNext Hit grain shape analysis of quartz grains in sediment has been applied to a wide variety of sedimentological problems. Mineralogically pure samples of quartz are required to eliminate the effects of shape variation due to non-quartz minerals. Hydrofluoric acid treatments of samples, which enables the identification feldspar contaminant grains, has been shown to have no significant effect on the shape of quartz particles, as measured by the first twenty terms of a closed-form Previous HitFourierTop Series.

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