Porphyry copper prospect in Magadanskaya oblast', Russian Federation

Names and other identifiers

Alternate names Osenny, Oksinskoe, Usa, Osennee, Osenne, Oksa, Usinskoe
Tract name Pacific Margin (142pCu8514)
Included sites Oksa, Usinsk
Site status prospect

Geographic location

Country Russian Federation
State or province Magadanskaya oblast'
Geographic location 150.316667, 59.716667
Geologic map unit 150.316667, 59.716667
Nearby data

Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range 136–100 Ma (Age of Uda-Murgal metallogenic belt.)
Age reference Volkov, Savva and others (2006, p. 451)
Minerals chalcopyrite, chlorite, molybdenite, pyrite, pyrrhotite, scheelite, sericite, sphalerite, tourmaline
Associated rocks granite porphyry, lamprophyre
Tectonic setting mixed
Stratigraphic age Late Cretaceous

Commodity and development information

Development status Unknown
Major commodities Cu
Gold-Moly ratio -9999

Reference information

Comments Small to medium deposit; > 400 m long, about 30 m thick, dips 35–65°.
Study area name Northeast Asia
References Singer and others (2008); Skibin (1982); Volkov, Savva and others (2006); Nokleberg and others (1993); Nokleberg and others (2005)
Site reference Mihalasky, Ludington, Alexeiev, and others (2015)
Nokleberg, W.J., Bundtzen, T.K., Grybeck, Donald, Koch, R.D., Eremin, R.A., Rozenblum, I.S., Sidorov, A.A., Byalobzhesky, S.G., Sosunov, G.M., Shpikerman, V.I., and Gorodinsky, M.E, 1993, Metallogenesis of mainland Alaska and the Russian northeast: U.S. Geological Survey Open-File Report 93–339, 230 p. (Also available at http://pubs.usgs.gov/of/1993/0339/ and at http://pubs.usgs.gov/of/1993/0339/report.pdf.)Nokleberg, W.J., Bundtzen, T.K., Eremin, R.A., Ratkin, V.V., Dawson, K.M., Shpikerman, V.I., Goryachev, N.A., Byalobzhesky, S.G., Frolov, Y.F., Khanchuk, A.I., Koch, R.D., Monger, J.W.H., Pozdeev, A.I., Rozenblum, I.S., Rodionov, S.M., Parfenov, L.M., Scotese, C.R., and Sidorov, A.A., 2005, Metallogenesis and tectonics of the Russian Far East, Alaska, and the Canadian Cordillera: U.S. Geological Survey Professional Paper 1697, 397 p. (Also available at http://pubs.usgs.gov/pp/pp1697/.)Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the world—Database and grade and tonnage models, 2008: U.S. Geological Survey Open-File Report 2008-1155, [45] p. and digital data, accessed December 31, 2013, at http://pubs.usgs.gov/of/2008/1155/.
Skibin, Y.P., 1982, Copper-molybdenum mineralization of the northern coast of Ochotsk sea: Soviet Geology, no. 1, p. 78–85. [In Russian.]
Volkov, A.V., Savva, N.E., Sidorov, A.A., Egorov, V.N., Shapovalov, V.S., Prokof’ev, V.Yu., and Kolova, E.E., 2006, Spatial distribution and formation conditions of Au-bearing porphyry Cu-Mo deposits in the northeast of Russia: Geology of Ore Deposits, v. 48, p. 448–472. (Also available at http://dx.doi.org/10.1134/S107570150606002X.)