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Unnamed Prospect (ARDF - PE047), Shakan, Kosciusko Island, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska, USA
Latitude: 56°7'58"N
Longitude: 133°25'47"W
Longitude: 133°25'47"W
Geology: Rocks in the area consist of a Cretaceous quartz monzonite pluton in contact with marble metamorphosed from Silurian Heceta Limestone and biotite-quartz-hornfels metamorphosed from Silurian graywacke and mudstone of the Bay of Pillars Formation (Brew, and others, 1984). The claims are probably related to this contact. Also see PE046 for specific deposits within this claim block.
Workings: Block of twenty-seven lode claims staked in 1961 and active through at least 1973 (U.S. Bureau of Mines, 1980). Also see PE046 for prospects and occurrences within this claim block.
Commodities (Major) - Cu, Fe, Mo
Mineral List
No entries listed.
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References
Brew, D.A., Ovenshine, A.T., Karl, S.M., and Hunt, S.J., 1984, Preliminary reconnaissance geologic map of the Petersburg and parts of the Port Alexander and Sumdum 1:250,000 quadrangles, southeastern Alaska: U.S. Geological Survey Open-File Report 84-405, 43 p., 2 sheets, scale 1:250,000. Grybeck, D.J., Berg, H.C., and Karl, S.M., 1984, Map and description of the mineral deposits in the Petersburg and eastern Port Alexander quadrangles: U.S. Geological Survey Open-File Report 84-837, 86 p., 1 sheet, scale 1:250,000. Maas, K.M., Bittenbender, P E., and Still, J.C., 1995, Mineral investigations in the Ketchikan mining district, southeastern Alaska: U.S. Bureau of Mines Open-File Report 11-95, 606 p. U.S. Bureau of Mines, 1980, Claim map, Petersburg quadrangle, Alaska: U.S. Bureau of Mines Map 117, 1 sheet, scale 1:250,000.
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