A facies analysis of the Pucara Group (Norian to Toarcian carbonates, organic-rich shale and phosphate) of central and northern Peru
- Amsterdam Elsevier June 1982
- pp. 161-194 ilus.
FOSFATOS ROCAS CARBONATADAS SEDIMENTOS
ANDES CERRO DE PASCO GRUPO PUCARA HUANCAYO JUNIN PASCO PERU REGION CENTRAL