|Quadrangle map, 1:250,000-scale||CR|
|Quadrangle map, 1:63,360-scale||C-3|
|Nearby scientific data||Find additional scientific data near this location|
|Location and accuracy||This occurrence is at an elevation of about 1,650 feet about 0.6 mile west-southwest of peak 3450 and about 0.5 mile north-northwest of the center of section 23, T. 73 S., R. 82 E.|
Geologic descriptionSamples from a quartz-sulfide vein and breccia float contained 0.19 percent copper, 2.1 percent lead, 2.6 percent zinc, 579 parts per million (ppm) arsenic, 52.9 ppm silver, and 0.65 ppm gold (Hedderly-Smith and Glavinovich, 1991). The vein is in metamorphosed volcanic and sedimentary rocks of the Luck Creek Breccia of Silurian and Ordovician age (Eberlein and others, 1983; Brew, 1996). Possibly related to a nearby or buried Cretaceous granitic intrusion.
|Geologic map unit||(-132.913694753336, 55.5312644742751)|
|Mineral deposit model||Polymetallic vein (Cox and Singer, 1986, model 22c).|
|Mineral deposit model number||22c|
|Age of mineralization||Possibly related to a nearby or buried Cretaceous granitic intrusion.|
|Workings or exploration||Only sampling by industry geologists.|
|Indication of production||None|
Additional commentsThe land in the vicinity of this occurrence has been identified for possible selection by the Sealaska Corporation.
Brew, D.A., 1996, Geologic map of the Craig, Dixon Entrance, and parts of the Ketchikan and Prince Rupert quadrangles, southeastern Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-2319, 53 p., 1 sheet, scale 1:250,000.
Eakins, G.R., Bundtzen, T.K., Robinson, M.S., Clough, J.G., Green, C.B., Clautice, K.H., and Albanese M.A., 1983, Alaska's mineral industry, 1982: Alaska Division of Geological and Geophysical Surveys Special Report 31, 63 p.
Hedderly-Smith, D.A., 1991, Report of the 1990 work in the T75S, R83E, and T75S, R84E-Sealaska minerals reconnaissance project: Sealaska Corportion (Unpublished report held by the Sealaska Corporation, Juneau, Alaska.)
Hedderly-Smith, D.A., 1992, Report of the 1991 field season - Sealaska Mineral Reconnaissance Project: Sealaska Corporation, 2 vols., 225 p. 23 plates. (Unpublished report held by the Sealaska Corporation, Juneau, Alaska.)
Hedderly-Smith, D.A., 1993, Report of the 1992 field season-Sealaska minerals reconnaissance project: Sealaska Corporation, 60 p. (Unpublished report held by the Sealaska Corporation, Juneau, Alaska.)
Hedderly-Smith, D.A., 1997, Report on the 1995 and 1996 work on the Kasaan Peninsula-Sealaska minerals project: Sealaska Corporation, 87 p. (Unpublished report held by the Sealaska Corporation, Juneau, Alaska.)
Hedderly-Smith, D.A., 1997, Results of the 1996 upper Harris River stream sediment sampling-Sealaska minerals reconnaissance project: Sealaska Corporation, 9 p. (Unpublished report held by the Sealaska Corporation, Juneau, Alaska.)
Hedderly-Smith, D.A., 1999, Inventory of metallic mineral prospects, showings and anomalies on Sealaska lands, 1988 through 1998: Sealaska Corporation, Juneau, Alaska, 217 p. (internal report held by Sealaska Corporation, Juneau, Alaska).
Hedderly-Smith, D.A., and Glavinovich, P.S., 1991; Moss-mat stream sediment sampling in the Threemile Creek-Black Lake area, southeastern Alaska: Explore, no. 71, p. 14-17.
|Reporters||D.J. Grybeck (Applied Geology)|
|Last report date||5/1/2004|