Enriched Basaltic Andesites from Mid-crustal Fractional Crystallization, Recharge, and Assimilation (Pilavo Volcano, Western Cordillera of Ecuador)

@article{Chiaradia2011EnrichedBA,
  title={Enriched Basaltic Andesites from Mid-crustal Fractional Crystallization, Recharge, and Assimilation (Pilavo Volcano, Western Cordillera of Ecuador)},
  author={M. Chiaradia and O. M{\"u}ntener and B. Beate},
  journal={Journal of Petrology},
  year={2011},
  volume={52},
  pages={1107-1141}
}
The origin of andesite is an important issue in petrology because andesite is the main eruptive product at convergent margins, corresponds to the average crustal composition and is often associated with major Cu^Au mineralization. In this study we present petro- graphic, mineralogical, geochemical and isotopic data for basaltic andesites of the latest Pleistocene Pilavo volcano, one of the most frontal volcanoes of the Ecuadorian Quaternary arc, situated upon thick (30^50km) mafic crust… Expand
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