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Electron Microscopy and X-ray Analysis of Lacustrine Clays from the Charo Canyon, State of Michoacan, Mexico
Clays Electron Microscopy Geology X-Ray Analysis
2011/12/8
Abstract: In this paper we analyzed by electron microscopy and X-ray diffraction (XRD) the exposed lacustrine clay in a stratigraphic column at Charo Canyon, State of Michoacán, Mexico. Smectite, cris...
Sequential Active Alteration of Rhyolitic Volcanic Rock to Endellite and a Precursor Phase of It at a Spring in Michoacan, Mexico
Sequential Active Alteration Rhyolitic Volcanic Endellite Precursor Phase
2012/2/20
Sequential alteration of volcanic rock of rhyolitic composition to a precursor of endellite, and thence to tubular endellite, may be observed at a hot spring about 27 km north of Ciudad Hidalgo, Micho...
Active kaolinization of middle Tertiary obsidian and rhyolitic breccia in the San Andres range is effected by sulfurous hot waters and hydrous vapors emitted as springs, fumaroles, and geysers. The al...