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Dioctahedral Tosudite in Hydrothermally Altered Pliocene Rhyolitic Tuff, Neutla, Mexico
Chlorite-smectite clay Clays Ditosudite Mexico Mixed-layer clay Tosudite
2011/12/28
Dioctahedral tosudite, a regular interstratification of dioctahedral chlorite-dioctahedral smectite, occurs associated with kaolin in the hydrothermal area of Delgado, Neutla, Mexico. Its composition ...
Hydrothermal Treatment of Smectite, Illite, and Basalt to 460°C: Comparison of Natural with Hydrothermally Formed Clay Minerals
Basalt Berthierine Hydrothermal Illite Smectite Stability
2012/1/11
Wyoming bentonite, Fithian illite, and basalt from the Umtanum Formation, Washington, were treated hydrothermally at 200° to 460°C and 260 to 500 bars for 71 to 584 days. No change was detected for th...
Clay Minerals in Hydrothermally Altered Rocks at Wairakei, New Zealand
Clay Minerals Hydrothermally Rocks Wairakei
2012/2/21
Geothermal fluid discharged by steam wells, which have been core drilled to depths as much as 4500 ft at Wairakei, New Zealand, has altered Pliocene to Pleistocene, silicic, mainly glassy volcanics an...