Unnamed Occurrence (ARDF - EA069; in headwaters of Alder Creek), Fortymile District, Southeast Fairbanks Borough, Alaska, USA
This occurrence is located within Doyon, Ltd. selected or conveyed land. For more information contact Doyon, Ltd., Fairbanks, Alaska.
Location: This prospect occurs near the headwaters of Alder Creek near hill 4075. The coordinates are the location of the occurrence, in section 33, T. 5 S., R. 30 E., of the Fairbanks Meridian. The location is accurate within one-half mile. There is another Alder Creek lode prospect (EA013) in the Eagle D-3 quadrangle. This occurrence is located within Doyon, Ltd. selected or conveyed land.
Geology: This occurrence is in graphitic argillite (Dashevsky and others, 1986). It is adjacent to or on a regionally extensive, west-northwest-trending contact between greenschist-facies quartz-mica schist and greenschist and amphibolite-facies biotite gneiss and amphibolite, both of probable Paleozoic age. Unidentified disseminated sulfides were noted in bedrock by Foster (1976) during regional mapping of the area. WGM Inc. conducted reconnaissance stream-sediment sampling and float examination in the area in 1976 (Dashevsky and others, 1986). Stream -ediment samples contain 400 to 500 ppm zinc, 0.9 to 1.8 ppm silver, and 15 ppm molybdenum.
Workings: Unidentified disseminated sulfides were noted in bedrock by Foster (1976) during regional mapping of the area. WGM Inc. conducted reconnaissance stream-sediment sampling and float examination in the area in 1976 (Dashevsky and others, 1986).
Commodities (Major) - Ag, Mo, Zn
Development Status: None
ReferencesDashevsky, S.S., Nicol, D.L., and Bond, J., 1986, Mines, prospects, and geochemical anomalies on Doyon Limited regional overselection lands, Alaska, Blocks 1-8: Doyon, Ltd. Report 86-01a, 300 p. (Report held by Doyon, Ltd., Fairbanks, Alaska). Foster, H.L., 1976, Geologic map of the Eagle quadrangle, Alaska: U.S. Geological Survey Miscellaneous Investigations Series, Map 922, 1 sheet, scale 1:250,000. WGM Inc., 1977, Doyon Project, 1976 annual progress report, volume 1a, Blocks 1, 4, 5, 7, 8: Doyon, Ltd. Report 77-02a. (Report held by Doyon, Ltd., Fairbanks, Alaska).
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