Noble, Donald Comendite (Peralkaline Rhyolite) and basalt in the Mitu group, Peru : evidence for Permian-Triassic lithospheric extension in the central Andes Autor francés bibliogr. p. 456-457 Subjects--Topical Terms: VolcanismeGéochronologieK-ArTriasGroupe Mitu Subjects--Index Terms: Pérou