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USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 313 Wenrich, K.J. & H.B. Sutphin (1988), Recognition of breccia pipes in northern Arizona, AZ Bur. Geol. Min. Tech. Fieldnotes: 18: 1-5, II. |
| Gornitz, V. (2004), Grand Canyon Uranium: The Orphan Mine, Mineral News: 20(6): 7.. Wenrich, K. J., & Hlava, P. F. (1993). Nickel-cobalt-iron-copper sulfides and arsenides in solution-collapse breccia pipes, northwestern Arizona. Geological Society of America, Abstracts with Programs (United States), 25(CONF-9305259-). |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 335, 390, 393 Galbraith, F.W. (1947), Minerals of AZ, AZ Bur. Mines Bull. 153: 9, 15, 20, 27, 28. Bastin, E.S. (1922), Primary native-silver ores near Wickenburg, AZ, and their bearing on the genesis of the silver ores of Cobalt, Ontario, USGS Bull. 735: 131-155 |
- Gold Hill Mining District
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223 Rocks & Min.: 22:205. American Mineralogist 28:257-271 |
- Central City Mining District
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371 |
- Silver Cliff Mining District
| Dana 6:1089. |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. Armbrustmacher, T. J. (1988) Geology and resources of thorium and associated elements in the Wet Mountains area, Fremont and Custer counties, Colorado. USGS Professional Paper: 1049-F USGS Prof Paper 649 |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. USGS Open-File Report 83-417 |
| Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. |
Ralston Buttes Mining District, Jefferson County, Colorado, USA