Kinnison, J.E. (1966), The Mission Copper Deposit, Arizona, in S.R. Titley and C.L. Hicks (editors), Geology of the porphyry copper deposits, southwestern North America, University of Arizona Press, Tucson: 281-287.
Mining and Milling (1976), ANAMAX, Anaconda, and ASARCO Form New Company, World Mining: November, 1976: 48-49, 77.
Jansen, Louis J. (1982) Stratigraphy and Structure of the Mission Copper Deposit; in: Advances in Geology of the Porphyry Copper Deposits – Southwestern North America, University of Arizona Press: 467-474.
Titley, Spencer R. (1982) Some Features of tectonic History and Ore Genesis in the Pima Mining District; in: Advances in Geology of the Porphyry Copper Deposits – Southwestern North America, University of Arizona Press: 387-406.
MRDS database Dep. ID file #10113915, MRDS ID #M050387, MAS ID #0040190007; and, Dep. ID #10162101, MAS ID #0040190061.
This ASARCO operation is a complex of several mine workings. The original workings were the South San Xavier pit, now essentially mined out, and the Mission pit. These two pits were combined with the Eisenhower mine (pit), forming one large open pit. The complex also contains the Mission (underground) mine, the Mineral Hill area (all contiguous and active) plus the North San Xavier pit (a little distance away and active). The complex is located along Interstate 19, about 18 miles South of Tucson, and features a free visitors' Mineral Learning Center with geoscience educational exhibits. San Xavier is a small town with a Spanish mission (San Xavier del Bac, the famous "white dove of the desert"), located to the North of the Mission complex, and is on the San Xavier (Tohono O'odom) Indian Reservation. Trespassing on the complex is strictly prohibited except for the visitors' center, adjacent to the highway. This complex is also located about 6 miles North of the Twin Buttes deposit and mine.
Reserves in 1995 were demonstrated at 471,409,000 metric tons.
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