Andesites of the 2009 eruption of Redoubt Volcano, Alaska

Crystal-rich andesites that erupted from Redoubt Volcano in 2009 range from 57.5 to 62.5wt.% SiO2 and have phenocryst and phenocryst-melt relations consistent with staging in the upper crust. Early explosive products are low-silica andesites (LSA, <58wt.% SiO2) that ascended from deeper crustal l...

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Veröffentlicht in:	Journal of volcanology and geothermal research Jg. 259; S. 349 - 372
Hauptverfasser:	Coombs, Michelle L., Sisson, Thomas W., Bleick, Heather A., Henton, Sarah M., Nye, Chris J., Payne, Allison L., Cameron, Cheryl E., Larsen, Jessica F., Wallace, Kristi L., Bull, Katharine F.
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Oxford Elsevier B.V 01.06.2013 Elsevier
Schlagworte:	Amphibole Andesite Crystalline rocks Earth sciences Earth, ocean, space Eruption Exact sciences and technology Geothermometry Igneous and metamorphic rocks petrology, volcanic processes, magmas Magma storage Petrology United States Alaska Petrology Amphibole Eruption Andesite Geothermometry Magma storage chain silicates mobilization oxides domes dacites mixing feldspar North America phenocrysts pyroxene silicates framework silicates explosions clinopyroxene sulfides crystals andesites volcanic rocks eruptions volcanoes igneous rocks magmas rhyolites microlite plagioclase intrusions depth growth amphibole
ISSN:	0377-0273, 1872-6097
Online-Zugang:	Volltext
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