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Cristobalite Morphology and Oxygen Isotopic Composition Variation under Hydrothermal Alteration
Cristobalite Morphology Oxygen Isotopic Composition Variation Hydrothermal Alteration
2011/11/18
Abstract: From 2 to 28% opal-cristobalite was isolated from the 2–20 µm fraction of rhyolitic and andesitic tuffaceous pyroclastics from the Island of Honshu, Japan, where it had been formed in ...