Cheilletz, Alain Stratigraphy and geochronology of the Macusani ignimbrite field : chronometer of the mio-pliocene geodynamic evolution of the Andes of SE Perú - Colloques et séminaires . F€ Subjects--Topical Terms: GéochronologieTectoniqueIgnimbrite Subjects--Index Terms: Pérou Carabaya Macusani