Commodities
PrimaryMercury
SecondaryAntimony
Commodity typeM
Deposit
Model176: Disseminated epithermal mercury antomony
Materials
Ore mineralsCinnabar, Stibnite
Geology
Host rockSiltstone · Kuskokwim Group;Kuskokwim Group;
AlterationIgneous and sedimentary rocks are extensively altered to silica-carbonate rock.
Economic & production
Development statusPast Producer
Identification
Deposit ID10002607
MRDS IDA015044
Alternate namesDecourcy Mt. Mine
RegionNA
Data scoreB
Coordinates62.06244, -158.46596
References
Cady, W.M., Wallace, R.E., Hoare, J.M., and Webber, E.J., 1955, The central Kuskokwim region, Alaska: U.S. Geological Survey Professional Paper 268, 132 p.Sainsbury, C.L. and MacKevett, E.M., Jr., 1965, Quicksilver deposits of southwestern Alaska: U.S. Geological Survey Bulletin 1187, 89 p.Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction material) in the Iditarod and Ophir quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-576, 101 p.Miller, M.L., Bundtzen, T.K., Keith, W.J., Bailey, E.A., Bickerstaff, Damon, 1996, Geology and mineral resources of the Stuyahok area, part of Holy Cross A-4 and A-5 quadrangles, Alaska: U.S. Geological Survey Open-File Report 96-505-A, 30 p.Cobb, E.H., 1972, Metallic mineral resources map of the Iditarod quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-363, 1 sheet, scale 1:250,000.