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The Genesis of a Mordenite Deposit by Hydrothermal Alteration of Pyroclastics on Polyegos Island, Greece
Clinoptilolite Greece Heulandite Hydrothermal Alteration Mordenite Polyegos Pyroclastics Rhyolite Zeolites
2011/12/22
Abstract: The vitric component of the silicic pyroclastic flows and surge deposits (Prassa ignimbrite unit), from the northwestern exposures of the pyroclastics formation of Polyegos Island, South Aeg...
Palagonite Reconsidered: Paracrystalline Illite-Smectites from Regoliths on Basic Pyroclastics
Basic pyroclastics Humid mediterranean weathering Illite/smectite Poorly-ordered layer silicates
2011/12/29
Poorly crystalline authigenic alteration products of basic pyroclastics from the Golan Heights, Israel, were investigated by XRD, DTA, TGA, FTIR and chemical analysis. Modeling XRD patterns with the u...
Oxygen Isotopic Constraints on the Origin of Nodular Silica-Apatite from the Har Peres Pyroclastics, Golan Heights, Israel
Apatite Har Peres pyroclastics Oxygen isotope
2011/12/29
Oxygen isotope composition of three types of unique nodules which consist of amorphous silica-apatite, cristobalite-apatite and tridymite-apatite associations interspersed amidst basaltic pyroclastics...