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Chlorite Vermiculitization and Pyroxene Etching in an Aeolian Periglacial Sand Dune, Allen County, Indiana
Chlorite Denticulations Dunes Etching Hydroxy-Al Indiana Pleistocene Pyroxene Vermiculite Weathering
2012/1/4
Weathering has etched and deeply-denticulated the constituent orthopyroxenes, and chlorite has been transformed to vermiculite in the upper 3 m of an aeolian, periglacial sand dune formed in northeast...