The Norms Vein is a silver and gold mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
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Norms Vein MRDS details
Site Name
Primary: Norms Vein
Commodity
Primary: Silver
Primary: Gold
Secondary: Zinc
Secondary: Arsenic
Secondary: Copper
Secondary: Antimony
Secondary: Lead
Secondary: Mercury
Location
State: Alaska
District: Alaska Peninsula
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Polymetallic veins
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: The rocks at this prospect exhibit strong silicification and some argillization.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Pyrite
Ore: Gold
Ore: Galena
Gangue: Quartz
Gangue: Barite
Comments
Comment (Reference): Primary Reference = Peterson and others, 1982
Comment (Deposit): Model Name = Epithermal gold veins, Polymetallic veins (Cox and singer, 1986; model 22c)
Comment (Workings): Workings / Exploration = Resource Associates of Alaska and UNC Teton Exploration Drilling Company explored on this prospect from 1979 to 1983. They collected 100 rock, 134 core, and 81 channel samples; conducted VLF-EM surveys; cut 380 feet of trenches; and drilled two core holes for a total of 776 feet. The highest precious metal values are: channel samples, 2.35 ppm gold and 19 ppm silver; grab samples, 0.585 ppm gold and 21 ppm silver; drill core, 1.41 ppm gold and 47 ppm silver. In 1990 Battle Mountain Exploration Company collected 32 vein samples, all of which contained less than 0.1 ppm gold. Two altered and pyritic wall rock samples contained 0.444 and 0.459 ppm gold.
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Eocene or younger.
Comment (Deposit): Other Comments = This site is on land patented by, or interim-conveyed to, the Aleut Corporation.
Comment (Geology): Geologic Description = This prospect is a linear, northeast-striking stockwork of reticulated, gossanous, multistage quartz veins in intensely brecciated and silicified andesite and rhyolite tuffs. The stockwork is 1,800 feet long and as much as 600 feet wide. The host rocks are part of the late Eocene to early Oligocene Popof volcanic rocks (Wilson and others, 1995). Silicification is most intense in a 50- to 100-foot-wide zone on the northwest side of the stockwork. The quartz veins contain pods and lenses of barite and variable amounts of galena, pyrite,and sphalerite (Peterson and others, 1982). In the area east of the stockwork, the country rocks are highly fractured and partly silicified and argillized. Channel samples contained as much as 2.35 ppm gold, 19.0 ppm silver, 5,700 ppm lead, 1,305 ppm zinc, 346 ppm copper, 5 ppm or more mercury, and 320 ppm arsenic. Grab samples contained as much as 0.585 ppm gold, 21 ppm silver, 4,000 ppm lead, 6,160 ppm zinc, 705 ppm copper, 5 ppm or more mercury, and 1,000 ppm or more arsenic (Peterson and others, 1983). Antimony, tellurium, and thallium are also present. The highest values in drill core were 1.41 ppm gold and 47 ppm silver (Wilson and others, 1988). Battle Mountain Exploration Company examined and sampled this site in 1990. Thirty-two samples of vein material all contained less than 0.1 ppm gold. Two samples of pyritic and argillically-altered rock from the footwall contained 0.444 and 0.459 ppm gold. Arsenic values commonly exceeded 100 ppm and mercury values exceeded 1 ppm (Ellis and Apel, 1990).
References
Reference (Deposit): Wilson, F.H., Detterman, R.L., Miller, J. W., and Case, J.E., 1995, Geologic map of the Port Moller, Stepovak Bay, and Simeonof Island quadrangles, Alaska: U.S. Geological Survey Miscellaneous Investigation Series Map I-2272, 1 map sheet, scale 1:250,000.
Reference (Deposit): Ellis, W.T., and Apel, R.A., 1990, Unga/Alaska Peninsula 1990 final report, Battle Mountain Exploration Company report, 49 p., 29 map sheets at various scales. (Report held by the Aleut Corporation, Anchorage, Alaska.)
Reference (Deposit): Wilson, F.H., White, W.H., and DuBois, G.D., 1988, Brief descriptions of mines, prospects, and mineral occurrences in the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: U.S. Geological Survey Open-File Report 88-666, 128 p., scale 1:250,000.
Reference (Deposit): Peterson, R.J., Handverger, P., Rosenkrans, D., Bartels, E, and Woolston, D., 1983, Shumagin Islands precious metal exploration program southwest Alaska: UNC Teton Exploration Drilling Company report, 61 p. (Report held by the Aleut Corporation, Anchorage, Alaska.)
Reference (Deposit): Peterson, R.J., Lemmers, J., Handverger, P., Gallagher, J., Pilcher, R., East, J., Macleod, T., Bartels. E., 1982, Geology and precious metals potential Unga, Popof, and Korovin Islands, Shumagin Group, Aleutian Chain, Alaska: UNC Teton Exploration Drilling Company report, 127 p., 5 map sheets, various scales. (Report held by the Aleut Corporation, Anchorage, Alaska.)
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