Pashpap - Lima Editora Perú 1980 - pp. 155-157 - t.4, v.1 . Subjects--Topical Terms: COBRE PORFIRITICOGEOLOGIA ECONOMICAYACIMIENTOS MINERALES Subjects--Geographic Terms: ANCASH Subjects--Index Terms: PASHPAP, YAC. Universal Decimal Class. No.: P/622(85)/S19|24