Pyrite from selected localities.
USA | |
| Minerals of Colorado (1997) E.B. Eckel |
Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 | |
Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886 | |
Raabe, K. C. & Sack, R. O. (1984): Growth zoning in tetrahedrite-tennantite from the Hock Hocking mine, Alma, Colorado. Canadian Mineralogist 22, 577-582. | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS: Geological Survey Circular 294 | |
Geology and Mining Industry of Leadville, Samuel F. Emmons, 1886; Emmons and Becker (1885) Statistics and Technology of the precious Metals. Census reports Tenth census. June 1, 1880, Volume 13 By United States. Census office. 10th census, 1880, United States. Census Office | |
Metal Mining Mining Geology, A.I.M.E. (1937): 432, 440.; Singewald, Quentin Dreyer; Butler, Bert Sylvenus (1941) Ore deposits in the vicinity of the London fault of Colorado. USGS Bulletin: 911 |