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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...
Clay-Organic Complexes as a Cementing Agent in the Arahama Sand Dune, Japan
Cementing agent Clay-organic complex Gel Sand dune Scanning auger multiprobe analysis Transmission electron microscopy X-ray photoelectron spectroscopy
2012/1/5
Cementing materials in the Arahama sand dune, Japan, were studied mineralogicaUy and biogeochemically to gain a better understanding of the cause of hardening. The cementing material is a clay- organi...