Geoquímca del magmatismo, Pérmico superior, del Macizo de Cinco Villas (Pirineo Navarro)

  1. Lasheras Adot, E.
  2. Lago Sna José, M.
  3. García Belles, J.
  4. Arranz Yagüe, E.
Revista:
Geogaceta

ISSN: 0213-683X

Año de publicación: 1998

Número: 25

Páginas: 119-122

Tipo: Artículo

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Otras publicaciones en: Geogaceta

Resumen

The chemical composition (whole rock) of Upper Permian basaltic sills and dolerite dykes outcropping in the Cinco Villas Massif (Western Pyrenees) allow to recognize: a) their basic, unevolved composition, b) their cogenetism, and c) their subalkaline to alkaline geochemical affinity. These features are similar to those of the Anayet-Ossau basaltic rocks, and suggest their relationship with a common basaltic event, related to post-orogenic extensional tectonics

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