Tuesday, January 6, 2015

A Look Back…50 Years: Analcime in the Record

Sedimentary rocks are mineralogically diverse, the result of depositional and diagenetic variability. Fifty years ago, Teruggi reported a new occurrence of sedimentary analcime, which he suggested was “one of the most important so far recorded in the geological literature.” His results, based on the study of a single section, revealed “considerable quantities of sedimentary analcime” in Argentina. He interpreted the analcime to be a diagenetic alteration of “altered vitroclastic matrix.”

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