Edgecumbe Exploration Prospect (Lode), Chichagof District, Sitka Borough, Alaska, USA
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Geology: This prospect is near a Triassic and/or Jurassic unit that consists of biotite schist and gneiss, with some amphibolite, quartzite, phyllite and hornfels, that is in contact with a Tertiary stock that consists of hornblende-biotite tonalite with subordinate granodiorite (Loney and others, 1975) The only information about this prospect is that a lode claim was staked for gold here (U.S. Bureau of Land Management, 2002). It is shown on a map in Bittenbender and others (1999) but it is not described.
Workings: The only information about this prospect is that a claim was staked for gold here.
Age: Triassic or younger based on the age of the rocks in the area.
Commodities (Major) - Au
Development Status: None
No entries listed.
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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. Loney, R.A., Brew, D.A., Muffler, L.J.P., and Pomeroy, J.S., 1975, Reconnaissance geology of Chichagof, Baranof, and Kruzof Islands, southeastern Alaska: U.S. Geological Survey Professional Paper 792, 105 p. 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]