Churchill Occurrence, Juneau District, Skagway-Hoonah-Angoon Borough, Alaska, USA
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Location: Occurrence and claims are near the west foot of Lamplugh Glacier. Claim location is uncertain. Data cited by MacKevett and others (1971, p. 56) places the location 2 miles west of Ptarmigan Creek and 1200 feet south of Glacier Bay.
Geology: Occurrence is an unconfirmed report of a gold vein in the western part of the Reid Inlet gold area. The reported occurrence is on or very close to a major fault that strikes north-northwest (Brew and others, 1978). The fault separates granitic rock of Cretaceous age (which underlies most of the Reid Inlet gold area), from dominantly Mesozoic rocks west of the fault.
Workings: Claim activity (consisting of claim location by Terry Richtmeyer) was reported in 1966 by Alaska Division Mines and Minerals and was cited by MacKevett and others (1971). The occurrence is apparently the same one shown by Kimball and others (1978, fig. C45) as the Churchill claim.
Age: Cretaceous or younger.
Commodities (Major) - Au?
Mineral List
1 entry listed. 1 valid mineral.
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References
Brew, D.A., Johnson, B.R., Grybeck, D., Griscom, A., Barnes, D.F., Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources of the Glacier Bay National Monument Wilderness Study Area, Alaska: U.S. Geological Survey Open-File Report 78-494, 670 p., 7 sheets. Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources, in Brew, D. A., and others, Mineral resources of the Glacier Bay National Monument wilderness study area, Alaska: U.S. Geological Survey Open-File Report 78-494, p. C1-C375. MacKevett, E.M., Jr., Brew, D.A., Hawley, C.C., Huff, L.C., and Smith, J.G., 1971, Mineral resources of Glacier Bay National Monument, Alaska: U.S. Geological Survey Professional Paper 632, 90 p., 12 plates, scale 1:250,000.
