List of Earth MRI focus areas with mineral system = Coeur d'Alene-type

Coeur d'Alene-type

Metamorphic dewatering of moderately oxidized siliciclastic sequences during exhumation with fluid flow along dilatant structures. Metasedimentary host rocks may contain basin brine path Pb-Zn and Cu±Co deposits.

Color on map:

Deposit types

Name	Commodities	Critical minerals
Polymetallic sulfide	Ag, Pb, Zn, Cu	Sb, Co, Ge, Ga, In
Antimony	Sb	Sb
Uranium	U	U

References

Wallace, A.R., and Whelan, J.F., 1986, The Schwartzwalder uranium deposit--III, Alteration, vein mineralization, light stable isotopes, and genesis of the deposit: Economic Geology, v. 81, no. 4, p. 872-888.
Leach, D.L., Landis, G.P., and Hofstra, A.H., 1988, Metamorphic origin of the Coeur d’Alene base- and precious-metal veins in the Belt basin, Idaho and Montana, v. 16, p. 122-125. [Also available at https://doi.org/10.1130/0091-7613(1988)016<0122:MOOTCD>2.3.CO;2.]
Leach, D.L., Hofstra, A.H., Church, S.E., Snee, L.W., Vaughn, R.B., and Zartman, R.E., 1998, Evidence for Proterozoic and Late Cretaceous-early Tertiary ore-forming events in the Coeur d’Alene district, Idaho and Montana: Economic Geology, v. 93, no. 3, p. 347-359. [Also available at https://doi.org/10.2113/gsecongeo.93.3.347.]
Beaudoin, G., and Sangster, D.F., 1992, A descriptive model for silver-lead-zinc veins in clastic metasedimentary terranes: Economic Geology, v. 87, no. 4, p. 1005-1021, accessed April 18, 2020, at https://doi.org/10.2113/gsecongeo.87.4.1005.
Beaudoin, G., and Sangster, D.F., 1995, Clastic metasediment-hosted vein silver-lead-zinc, in Eckstrand, O.R., Sinclair, W.D., and Thorpe, R.I., eds., Geology of Canadian mineral deposit types: Geological Survey of Canada, Geology of Canada 8, p. 393-398. [Also available at https://doi.org/10.1130/DNAG-GNA-P1.393.]
Balistrieri, L.S., Box, S.E., and Bookstrom, A.A., 2002, A geoenvironmental model for polymetallic vein deposits--A case study in the Coeur d’Alene mining district and comparisons with drainage from mineralized deposits in the Colorado Mineral Belt and Humboldt Basin, Nevada, in Seal, R.R., II, and Foley, N.K., eds., Progress on geoenvironmental models of mineral deposits: U.S. Geological Survey Open-File Report 02-195, p. 143-160.
Zartman, R.E., and Smith, J.V., 2009, Mineralogy and U-Th-Pb age of a uranium-bearing jasperoid vein, Sunshine Mine, Coeur d'Alene district, Idaho, USA: Chemical Geology, v. 261, p. 185-195.
Hofstra, A.H., Marsh, E.E., Todorov, T.I., and Emsbo, P., 2013a, Fluid inclusion evidence for a genetic link between simple antimony veins and giant silver veins in the Coeur d’Alene mining district, ID and MT, U.S.A: Geofluids, v. 13, no. 4, p. 475-493, accessed April 18, 2020, at https://doi.org/10.1111/gfl.12036.
Seal, R.R., II, Schulz, K.J., and DeYoung, J.H., Jr., with contributions from David M. Sutphin, Lawrence J. Drew, James F. Carlin, Jr., and Byron R. Berger, 2017, Antimony, chap. C of Schulz, K.J., DeYoung, J.H., Jr., Seal, R.R., II, and Bradley, D.C., eds., Critical mineral resources of the United States--Economic and environmental geology and prospects for future supply: U.S. Geological Survey Professional Paper 1802, p. C1-C17, accessed April 18, 2020, at https://doi.org/10.3133/pp1802C.
International Atomic Energy Agency [IAEA], 2020, Descriptive uranium deposit and mineral system models: Vienna, Austria, International Atomic Energy Agency, 313 p.

Source: Hofstra, A.H., and Kreiner, D.C., 2020, Systems-Deposits-Commodities-Critical Minerals Table for the Earth Mapping Resources Initiative: U.S. Geological Survey Open-File Report 2020-1042, 24 p., https://doi.org/10.3133/ofr20201042.

Focus area	Region	States	Mineral Systems	Deposit types	Commodities
Clark Fork	Northwest	Idaho	Coeur d'Alene-type	Polymetallic sulfide	copper; gold; lead; silver
Coeur d'Alene Mining District (Silver Valley antimony)	Northwest	Idaho; Montana	Coeur d'Alene-type	Antimony; Polymetallic sulfide	cadmium; copper; lead; silver
Front Range Proterozoic	Rocky Mountains	Colorado	Coeur d'Alene-type	Uranium	uranium
Southwest Arkansas Antimony District	South Central	Arkansas	Coeur d'Alene-type	Antimony; Polymetallic sulfide	copper; lead; silver
Box Elder district	Southwest	Utah	Coeur d'Alene-type	Antimony; Polymetallic sulfide	copper; lead; silver
Picuris district (Copper Hill)	Southwest	New Mexico	Coeur d'Alene-type	Polymetallic sulfide	copper; gold; lead; silver