Birnie, Richard W. The paragenetic association and compositional zoning of lead sulfosalts at Huachocolpa, Peru - Lancaster, PA Society of Economic Geologists September-October 1977 - pp. 983-992 ilus. Subjects--Topical Terms: GEOLOGIA ECONOMICAMINERALIZACIONPARAGENESISPLOMOPLOMO-ZINCSULFOSALESZINC Subjects--Geographic Terms: HUANCAVELICAPERU Subjects--Index Terms: HUACHOCOLPA