| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 132, 164, 167; Schwartz, G.M. (1947), Hydrothermal alteration in the 'porphyry copper' deposits, Econ.Geol.: 42: 319-352; Thomas, L.A. (1966), Geology of the San Manuel ore body, in S.R. Titley and C.L. Hicks (editors), Geology of the porphyry copper deposits, southwestern North America, Univ. AZ Press, Tucson: 133-142; Chapman, T.L. (1947), San Manuel copper deposit, Pinal Co., AZ, US Bur. Mines Rept. Inv. 4108; Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 19. |