The Nimrod 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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Nimrod MRDS details
Site Name
Primary: Nimrod
Secondary: Camp Creek
Commodity
Primary: Silver
Primary: Gold
Secondary: Arsenic
Secondary: Zinc
Secondary: Antimony
Secondary: Copper
Location
State: Alaska
District: Valdez Creek
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: Phyllic?
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Arsenopyrite
Ore: Chalcopyrite
Ore: Pyrite
Ore: Sphalerite
Ore: Stibnite
Gangue: Quartz
Comments
Comment (Exploration): Status = Active
Comment (Deposit): Model Name = Polymetallic vein (Cox and Singer, 1986; model 22c)
Comment (Deposit): Other Comments = Similar to the Nimbus prospect (HE075); some references combine the two as one site.
Comment (Geology): Age = Probably Late Cretaceous, assuming that the deposit is contemporaneous with the Golden Zone and satellite deposits (HE043, HE040, etc.).
Comment (Reference): Primary Reference = Hawley and others, 1978
Comment (Geology): Geologic Description = The country rocks in the area of the Nimrod prospect are Devonian ophiolite and Upper Devonian to Triassic tuffaceous chert, volcanic conglomerate, volcanic mudstone, basaltic breccia, graywacke, and limestone (Wilson and others, 1998). The Nimrod prospect consists of sulfide-bearing, quartz-matrix breccia poorly exposed for 200 to 300 feet along a strand of the Chulitna fault. The sulfide minerals are arsenopyrite, chalcopyrite, pyrite, sphalerite, and stibnite. Samples contain up to 3 ounces of silver per ton, in addition to lead, zinc, antimony, and gold (Hawley and others, 1978). The deposit is similar in mineralogy and structure to the Golden Zone and satellite deposits (HE043, HE040, etc.).
Comment (Workings): Workings / Exploration = There are minor surface workings. Samples contain up to 3 ounces of silver per ton, in addition to lead, zinc, antimony, and gold (Hawley and others, 1978).
References
Reference (Deposit): Hawley, C.C., Clark, A.L., Herdrick, M.A., and Clark, S.H.B., 1969, Results of geological and geochemical investigations in an area northwest of the Chulitna River, central Alaska Range: U.S. Geological Survey Circular 617, 19 p.
Reference (Deposit): Wilson, F.H., Dover, J.H., Bradley, D.C., Weber, F.R., Bundtzen, T.K., and Haeussler, P.J., 1998, Geologic map of central (interior) Alaska: U.S. Geological Survey Open-File Report 98-133, 17 p., 2 sheetsm, scale 1:500,000.
Reference (Deposit): Bundtzen, T.K., 1983, Mineral resource modeling, Kantishna and Dunkle mine study areas: Alaska Division of Geological "&" Geophysical Surveys Report of Investigations 83-12, 51 p.
Reference (Deposit): Hawley, C.C., and others, 1978, Mineral appraisal of lands adjacent to Mt. McKinley National Park, Alaska. Contract No. JO166107: U.S. Bureau of Mines Open-File Report 24-78, 274 p., 12 sheets.
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