Reaction mechanisms of smectite illitization associated with hydrothermal alteration from Ponza Island, Italy

A hydrothermally altered rhyolitic hyaloclastite from Ponza island, Italy, has four alteration zones with unique clay assemblages: (1) a non-pervasive argillic zone characterized by smectite; (2) a propylitic zone with interstratified illite-smectite (I-S) containing 10-85% illite (I); (3) a silicic...

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Veröffentlicht in:	Clays and clay minerals 2000-12, Vol.48 (6), p.610-631
Hauptverfasser:	Ylagan, Robert F, Altaner, Stephen P, Pozzuoli, Antonio
Format:	Artikel
Sprache:	eng
Schlagworte:	argillaceous texture atomic force microscopy data chemical reactions clastic sediments clay clay minerals Crystalline rocks crystallites Earth sciences Earth, ocean, space electron probe data Europe Exact sciences and technology Gavi Island Geochemistry glasses hyaloclastite hydrothermal alteration Igneous and metamorphic rocks petrology, volcanic processes, magmas igneous rocks illitization Italy mechanism metasomatism Mineralogy morphology polytypism Ponza Island propylitization pyroclastics rhyolites rock, sediment, soil sediments sericitization sheet silicates Silicates silicification smectite Southern Europe spectra textures volcanic rocks X-ray fluorescence spectra
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