Hillebrand, J.R., 1954, A suggested source of the thiophile elements of the Tertiary ore deposits of the Southwest: Economic Geology, v. 49, no. 8, p. 863-876.
Hillebrand, J.R.
Economic Geology, v. 49, no. 8, p. 863-876.
Mineral District, Metallogeny, Porphyry Copper, Copper, Lead, Zinc, Gold, Silver, Igneous Petrology,
