 | | Book | | ide---4000 varas x 1000 varas. .1 TRINIDAD ZONE AURORA ZONE 2'1JR(MC" OF THE M I N E R AL D I S T R...Veta Grande, Novillo and Esperanza veins. 6. THE AURORA ZONE: 10,550 feet in length x 2750 feet in width...hectares. Contains two minor veins, as follows : Aurora Oro Nativo 7. THE COMMUNIDAD ZONE: An area north...A). I 34 Powe,· Aurora Creek, about 1½ miles south of Yuscaran, is the largest creek in the vicinity...the last days of the dry season this year, this creek contained a flow we estimated at a minimum of 3 |  | | Report (issue) | | district 2. Redoubt district 3. Valdez Creek district 4. Willow Creek district 5. Yentna district COPPER...RIVER Ruby Creek Ruby Creek Ruby Creek Ruby Creek Ruby Creek Ruby Creek Ruby Creek Ruby Creek Siucker Siucker...Siucker (1-1) Siucker Ambler 11 Sunshine Crk Dead Creek (1-2) West Dead Crk East Dead Crk Arctic Arctic...Ginny Creek 78Ekl27A HOWARD PASS Drenchwater Drenchwater Story Creek Story Creek Story Creek Whoopee...Tolstoi Prospect Snow Gulch Willow Creek Decourcy Mine Granite Creek Golden Horn Independence Hine I-Q096RC |  | Nokleberg, Warren J., Bundtzen, Thomas K., Dawson, Kenneth M., Eremin, Roman A., Goryachev, Nikolai A., Koch, Richard D., Ratkin, Vladimir V., Rozenblum, Ilya S., Shpikerman, Vladimir I., Frolov, Yuri F., Gorodinsky, Mary E., Melnikov, Vladimir D., Ognyanov, Nikolai V., Petrachenko, Eugene D., Pozdeev, Anany I., Ross, Katherina V., Wood, Douglas H., Grybeck, Donald, Khanchuk, Alexander I., Kovbas, Lidiya I., Nekrasov, Ivan Ya., Sidorov, Anatoly A. (1996) Significant metalliferous and selected non-metalliferous lode deposits and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera. Open-File Report Vol. 1996 (96-513) US Geological Survey doi:10.3133/ofr96513a | Report (issue) | | Weathering results in development of green sinter and malachite and azurite crusts. The depositional environment...minerals are sometimes obscured by. or may include, malachite, azurite, metamorphic chlorite, actinolite, epidote...pyrite, chalcopyrite, sphalerite, and molybdenite. Malachite occurs in oxidation zone. Ag content increases...goldfieldite are also abundant. Limonite, covellite, malachite, and azurite occur in an oxidized zone. Deposit...within Upper Paleozoic and Lower Mesozoic Cache Creek Group metasedimentary and metavolcanic rocks. Deposit |  | Nokleberg, W.J., Bundtzen, T.K., Grybeck, D.J., Koch, R.D., Eremin, R.A., Rozenblum, I.S., Sidorov, A.A., Byalobzhesky, S.G., Sosunov, G.M., Shpikerman, V.I., Gorodinksy, M.E. (1993) Metallogenesis of mainland Alaska and the Russian Northeast. Open-File Report Vol. 1993 (93-339) US Geological Survey doi:10.3133/ofr93339 | Report (issue) | | (subduction zone - dominantly oceanic rocks) AP Aurora Peak terrane (continental margin arc) AX Alexander...Weathering results in development of green sinter and malachite and azurite crusts. Basaltic Cu (Dzhalkan type)...minerals are sometimes obscured by, or may include, malachite, azurite, metamorphic chlorite, actinolite, epidote...minerals recovered in placer mines in Sheep Creek and Dime Creek, and in the Ungalik River in the Koyuk district...large serpentinite-hosted asbestos deposit at Slate Creek, and a PGE deposit in ultramafic rocks at Eagle |  | | Report (issue) | | Smith, P. S., Geology and mineral resources of Iron Creek: Idem, pp. 157-103. Brooks, A. H., The Kougarok...from the creek and bench placers. The probable decrease in the ratio between beach and creek production...in a measure to the curtailment of work on the creek deposits by the shortness of the season and the...decreased proportionally more than that of the creek gravels. This falling off is due mainly to the low...deposits, because the conditions which affected the creek mining had only a slight effect on beach mining |  | | Conference Proceedings (Volume) | | cemented by goethite is found as discrete layers. Malachite occurs as milimetric veins and fractures. Three...of the Antak granite, northeastern Västerbotten county, Sweden In: T Lundqvist (Ed.) Res Paper C830 Sveriges... except possibly the Charlestown Cu deposit of County Mayo (3 Mt at 0.6% Cu; O’Connor and Poustie 1986)...Yilgarn Craton The 1963 discovery of the giant Kidd Creek Cu-Zn deposit in Canada precipitated significant...Unfortunately, there were no discoveries of Kidd Creek dimensions, and the total Yilgarn resource to this |  | | Report (volume) | | _ Redoubt district ___-_ _ Valdez Creek district __ _ Willow Creek district Yentna district _____________...Cook Inlet-Susitna River region ______ 6. Cache Creek area _______________ 7. Copper River region _-____________...Upper Chistochina River area _______ 9. Dan Creek-Young Creek area ________ 10. Kenai Peninsula region ____________...River area _____ 26. Noxapaga River area 27. Iron Creek area ________________ 28. Nome area _ _ Generalized...showing location of placer deposits: 35. Porcupine Creek area ___ 36. Juneau area _____ __ 94 96 97 29 |  | | Report (volume) | | the· Kotsina, Chitina, Chistochina, and Valdez Creek regions, by F. H. l\1offit......................... . . . . . . . . 201 Gold placers of the Ruby Creek district, by A. G. Maddren................... 229...Peninsula, by P. S. Smith......... 267 The Iron Creek region, by P. S. Smith .................. :.......showing distribution of mineral resources in Iron Creek region, Seward Peninsula ................. -·- ..._·_....... Sketch map showing location of Valdez Creek....... . . . . . . . . . . . . . Sketch map of Discovery |
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