Petrogenesis of peraluminous magmas in the Central Andean backarc: the Huayra Huasi Volcanic Complex, NW Argentina

The Huayra Huasi Volcanic Complex of Miocene age (11.88 ± 0.15 Ma U–Pb zircon) was emplaced in the Northern Puna plateau of Argentina, spatially associated with ignimbrites erupted from Altiplano–Puna Volcanic Complex calderas. The complex comprises biotite-bearing dacites and low-SiO 2 rhyolites in...

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Veröffentlicht in:	International journal of earth sciences : Geologische Rundschau 2021-11, Vol.110 (8), p.2725-2754
Hauptverfasser:	Jofré, C. B., Caffe, P. J., Trumbull, R. B., Maro, G., Schmitt, A. K., Sarchi, C., Flores, P. I., Peralta Arnold, Y. J., Franco, M. G., Lucassen, F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum oxide Andesite Assimilation Biotite Calderas Composition Contamination Crystallization Earth and Environmental Science Earth Sciences Evolution Fractional crystallization Garnet Geochemistry Geology Geophysics/Geodesy Isotope ratios Isotopes Lava Magma Melting Mineral Resources Minerals Miocene Original Paper Petrogenesis Plagioclase Rhyolites Rocks Schists Sedimentology Silica Silicon dioxide Sillimanite Strontium 87 Strontium isotopes Structural Geology Zircon
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