| References: | Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 116, 142, 163; Perry, D.V. (1969), Skarn genesis at the Christmas mine, Gila Co., AZ, Econ.Geol.: 64: 255-270; Knoerr, A. & M. Eigo (1963), Arizona's newest copper producer - The Christmas mine, Engr. Mining Jour.: 164: 55; Peterson, Nels P. & Swanson (1956), USGS Bull. 1027-H, Geology of the Christmas Copper Mine, Gila Co., AZ: 351, 363. |