Chalcopyrite from Jefferson County, Colorado, USA


USA
Colorado Jefferson County Bergen Park area ⓘ Creswell Mine	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. (1984) Precambrian deposits of zinc-copper-lead sulfides and zinc spinel (gahnite) in Colorado. Bulletin Vol. 1550. US Geological Survey doi:10.3133/b1550
Critchell area ⓘ Billiken and Black Knight Lodes Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey. (2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Cook Property	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Qualla and Young Sampson Lodes Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Evergreen Mining District (Malachite Mining District) ⓘ Evergreen area	Spry, P. G., McFadden, S., Teale, G. S., Alers, B., Shallow, J. M., & Glenn, J. M. (2021). Nodular sillimanite rocks as field indicators to metamorphosed massive sulfide deposits. Ore Geology Reviews, 104632.
ⓘ F.M.D. Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey. USGS Prof Paper 223
ⓘ Hosa Lodge Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey. 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
ⓘ Malachite Mine (Morrison)	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. USGS Prof Paper 223
ⓘ Unnamed prospect	USGS Prof Paper 223
Golden Mining District Lookout Mountain ⓘ Maggie Lode	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Idledale Mining District	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Wright lease (Foothills Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Ralston Buttes Mining District ⓘ Ascension Mine (Nare Lease; Nair Prospect)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Buckman Property (Golden Gate Canyon Prospect No. 2)	(2005) Mineral Resources Data System (MRDS), US Geological Survey. Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 USGS: Geological Survey Circular 320
ⓘ Ladwig	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Ladwig Group (Ladwig No. 2; Ladwig No. 3; Claims: Ladwig No. 1)	USGS Open-File Report 79-1615
ⓘ Mena Mine (Hoffmeister Homestead Prospect; Black Judge Shaft)	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Schwartzwalder Mine (Ralston Creek Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey. USGS Open-File Report 83-417
ⓘ Union Pacific Shaft Occurrence (Union Pacific Prospect)	(2005) Mineral Resources Data System (MRDS), US Geological Survey. Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 USGS: Geological Survey Circular 320

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