Copper Mountain District (Clifton-Morenci District), Shannon Mts, Greenlee Co., Arizona, USA

The largest mining district in Greenlee County. It is a Cu-Mo-Zn-Pb-Ag-Au-Re mining area located in T2-4S, R29-30E.

Principal mineralization is in Paleozoic limestones in contact with the main intrusion.

References:
Kunz, G.F. (1885), On remarkable copper minerals from Arizona, Annals of the New York Academy of Science: 3: 275-278.

Lindgren, W. (1903), The copper deposits of Clifton, Arizona, Engineering and Mining Journal: 75: 705.

Lindgren, W. (1904), The genesis of copper deposits, Engineering and Mining Journal: 78: 987.

Lindgren, W. & W.F. Hillebrand (1904), Minerals from the Clifton-Morenci district, Arizona, American Journal of Science: 18: 448-460.

Lindgren W. (1905) The Copper Deposits of the Clifton-Morenci District, Arizona. USGS Professional Paper 43, 375 p., 1 sheet, scale 1:62,500:

Mining Reporter (1906) Revival of Gold Mining in Clifton-Morenci, Arizona, District: Vol. LIII(16), Apr 19, 1906: 386-390.

Guild, F.N. (1910), The Mineralogy of Arizona, The Chemical Publishing Co., Easton, PA.

Reber, L.E., Jr. (1916), The mineralization at Clifton-Morenci, Economic Geology: 11: 528-573.

Butler, B.S., and Wilson, E.D. (1938b) Clifton-Morenci district: Arizona Bureau of Mines Bulletin no. 145, p. 72-80.

Peterson, N.P., et al (1946), Hydrothermal alteration in the Castle Dome copper deposit, Arizona, Economic Geology: 41: 820-840.

Galbraith, F.W. (1947), Minerals of Arizona, Arizona Bureau of Mines Bull. 153: 24, 30;

Schwartz, G.M. (1947), Hydrothermal alteration in the 'porphyry copper' deposits, Economic Geology: 42: 319-352.

Schwartz, G.M. (1958), Alteration of biotite under mesothermal conditions, Economic Geology: 53: 164-177.

Creasy, S.C. (1959), Some phase relations in the hydrothermally altered rocks of porphyry copper deposits, Economic Geology: 54: 351-373.

Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 31, 49, 51, 54, 60, 61, 63, 90, 92, 94, 97, 100, 110.

Moolick, R.T. & J.J. Durek (1966), The Morenci district, in S.R. Titley and C.L. Hicks (editors), Geology of the porphyry copper deposits, southwestern North America, University of Arizona Press, Tucson: 221-231.

Boler, F., Klein, D., Christopherson, K., and Hoover, D. (1980) Gravity observations, Clifton-Morenci area, Greenlee County, SE Arizona: U.S. Geological Survey Open-File Report 80-0096, 20 p.

Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 101, 105, 111, 116, 132, 146, 158, 166, 173, 185, 193, 196, 205, 213, 215, 216, 230, 231, 233, 235, 241, 257, 266, 283, 284, 286, 292, 301, 304, 309, 342, 349, 359, 369, 370, 377, 391, 396, 401, 404, 431, 432.

Ferguson, C.A., Enders, M.S., Peters, Lisa, and McIntosh, W.C. (2000) Mid-Tertiary geology and geochronology of the Clifton-Morenci area, Greenlee and Graham Counties, Arizona: Arizona Geological Survey Open-File Report 00-07, 69 p.

Ferguson, C.A., and Enders, M.S. (2000) Digital geologic map and cross sections of the Clifton-Morenci area, Greenlee County, Arizona [Clifton, Copperplate Gulch, Mitchell Peak, and Coronado Mountain 7.5 min]: Arizona Geological Survey Digital Geologic Map Series DGM-01, 1 CD-ROM (3 sheets, scale 1:24,000).