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Relation between Interlayer Composition of Authigenic Smectite, Mineral Assemblages, I/S Reaction Rate and Fluid Composition in Silicic Ash of the Nankai Trough
Chemical Controls Glass Alteration Illite/Smectite Interlayer Cations Porewater Composition Precursor Clay Minerals Silicic Ash Smectite
2011/12/27
Abstract: The compositions, fabrics and structures of authigenic minerals that formed recently from silicic volcanic ash layers from a 1300-meter sediment column obtained at ODP Site 808 of the Nankai...
Diagenetic Alteration of Silicic Ash in Searles Lake, California
Alkaline Saline lake Anacime Clinoptilolite Diagenesis K-feldspar Merlinoite Phillipsite Volcanic ash Zeolite
2012/1/11
Ash layers from Searles Lake, California, were sampled in core of drill hole KM-3, which penetrated 693 m of lacustrine sediment deposited in a playa-lake complex over the past 3.2 my. Lake water chan...