Use this link to cite:
http://hdl.handle.net/2183/6126 Condiciones del emplazamiento, petrología y geoquímica de las riolitas, calco-alcalinas y stephaniense-permicas, en las cadenas ibéricas
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Authors
Lago San José, M.
Álvaro, J.
Arranz Yagüe, E.
Pocoví Juan, Andrés
Vaquer, R.
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Bibliographic citation
Cadernos do Laboratorio Xeolóxico de Laxe, 1992, 17: 187-198 ISSN: 0213-4497
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Abstract
[Resumen] Se exponen los caracteres del emplazamiento, la composición petrológica y geoquímica de unos sills riolíticos que, con afinidad calco-alcalina, se emplazaron, bajo un ambiente sin-colisional, en diversos sectores de la Cadena Ibérica. Estas riolitas representan un origen crustal, con baja tasa de fusión, previo a un magmatismo calco-alcalino de origen subcrustal.
[Abstract] The setting characters, the petrological and geochemical composition are exposed for sorne rhyolitic sills, with calc-alkaline affinity, which were set, in a syncollisional environment, in several areas of the Iberian Chains. These rhyolites represent a crustal origin, with a low degree of fussion, previous to a calc-alkaline magmatism of subcrustal origino.
[Abstract] The setting characters, the petrological and geochemical composition are exposed for sorne rhyolitic sills, with calc-alkaline affinity, which were set, in a syncollisional environment, in several areas of the Iberian Chains. These rhyolites represent a crustal origin, with a low degree of fussion, previous to a calc-alkaline magmatism of subcrustal origino.

