Covellite from selected localities.
USA | |
| Weed, W. H. Geology and Ore Deposits of the Butte District, Montana; Chris Gammons and Ryan Stevenson (2015) Silver Mineralogy of the Butte Mines. 2015 Mining and Mineral Symposium, Montana Bureau of Mines and Geology p50 |
[www.johnbetts-fineminerals.com] | |
Mineralogical Record 33:1 | |
various photographs | |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates. | |
Anaconda Mining Company Collection | |
The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Mineralogical Record 33:11 | |
Mineralogical Record 33:1 | |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Roberts et al., "Encyclopedia of Minerals". Van Nostrand Reinhold Co. 1974 | |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates. | |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates. | |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates. | |
tim seipel | |
Mineralogical Record 33:1; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS Bulletin 625 | |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates. | |
The Mineralogy of The Butte District, Montana; Guilbert and Zeihen 1964; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Sales R. H. (1914),Ore Deposits at Butte, Montana. | |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates. | |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates. | |
Dan Evanich specimen; Pseudomorph of wurtzite and chalcocite replacing hexagonal covellite crystals. Inspection of broken crystals on bottom reveal covellite. | |
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates. | |
Mineralogical Record 33:1 | |
No reference listed | |
Mineralogical Record 33:1 | |
| Gammons, C. H., Szarkowski, J., & Stevenson, R. (2016) New investigations of the mineralogy of silver in the world-class porphyry-lode deposits of Butte, MT. Mining engineering Magazine website |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Dana 6:A1:20; Amer.Jour.Sci.:7:56(1899).; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Tiffany Ostenburg (2022) Mineralogy and Fluid Inclusion Study of the Marget Ann Mine of the Butte Mining District, Silver Bow County, Montana. Masters thesis, Montana Tech. 94pp | |
Anaconda Mining Company Collection | |
Weed, W.H. (1912) Geology and Ore Deposits of the Butte District, Montana. United States Geological Survey, Professional Paper 74, 262 pages plus plates.; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
Butte Mining District, Silver Bow County, Montana, USA