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The AAPG/Datapages Combined Publications Database

Journal of Sedimentary Research (SEPM)


Journal of Sedimentary Petrology
Vol. 29 (1959)No. 1. (March), Pages 104-107

New Method for Study of Calci-Phosphatic Pellets

Paul Tasch


Hydrofluoric acid treatment of opaque calci-phosphatic pellets renders them translucent. Details of internal structures, such as size, composition, configuration of nucleus, and number and thickness of growth bands, can readily be studied in any number of specimens. This facilitates comparison by horizon and locality, of genesis and growth of pellets, bottom conditions, and paleoecology in large pellet-populations.

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