Stratigraphy of the carbonate, black shale, and phosphate of the Pucara Group (Upper Triassic-Lower Jurassic) Central Andes, Peru
- Boulder, CO Geological Society of America February 1972
- pp. 407-428
ESTRATIGRAFÍA
ANDES HUANCAYO JUNIN PERU
FORMACION ARAMACHAY FORMACION CHAMBARA FORMACION CONDORSINGA GRUPO PUCARA