Boston Prospect, Chichagof District, Sitka Borough, Alaska, USA
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Geology: The rocks in the vicinity of the Boston prospect are part of the Cretaceous Sitka Graywacke which consists mainly of graywacke and argillite (Loney and others, 1975). Little is known about the Boston prospect other than that a claim was staked here and some samples contained a trace amount of gold (Wright and Wright, 1905; Knopf, 1912, Nelson, 1931). It was not found by Bittenbender and others (1999).
Workings: Little is known other than that a claim was staked here before 1905. There is no indication of recent work.
Age: Cretaceous or younger based on the age of the host rock.
Commodities (Major) - Au
Development Status: None
Deposit Model: A gold-quartz vein?
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Bittenbender, P., Still, J.C., Maas, K., and McDonald, M., Jr., 1999, Mineral resources of the Chichagof and Baranof Islands area, southeast Alaska: Bureau of Land Management, BLM-Alaska Technical Report 19, 222 p. Cobb, E.H., 1972, Metallic mineral resources map of the Sitka quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-467, scale 1:250,000. Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Sitka quadrangle: U.S. Geological Survey Open-File Report 78-450, 124 p. Knopf, Adolph, 1912, The Sitka mining district, Alaska: U.S. Geological Survey Bulletin 504, 32 p. Nelson, G.E., 1931, Report on McKallick prospect, Smith Group, Anderson-Pearce Group, Ora Group, Basoinieur Group, Radio Group, and notes on Chichagof Gold Mining Company property on Chichagof Island, Alaska: Unpublished report, 6 p. (Report held by the Mineral Information Center, Bureau of Land Management, Juneau, Alaska.) U.S. Bureau of Land Management, 2002, Alaska mineral locations database report (Sitka quadrangle), July 2, 2002, 205 p. [http://imcg.wr.usgs.gov/dem.html] Wright, F.E., and Wright, C.W., 1905, Economic developments in southeastern Alaska: U.S. Geological Survey Bulletin 259, p. 47-68.