Venturelli, Gianpiero

Trace element distribution in the cainozoic lavas of Nevado Coropuna and Andagua Valley, Central Andes of Southern Peru - Napoli IAVCEI September 1978 - pp. 213-228


ANDESITA BASALTICA
ELEMENTOS TRAZA
LAVAS
MINERALES OPACOS
PLAGIOCLASAS
ROCAS VOLCANICAS


ANDAHUA
ANDES
AREQUIPA
COROPUNA
PERU