The Gilmer is a antimony 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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Gilmer MRDS details
Site Name
Primary: Gilmer
Commodity
Primary: Antimony
Secondary: Antimony
Secondary: Silver
Secondary: Lead
Location
State: Alaska
District: Fairbanks
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Ore highly oxidized.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Gold
Ore: Stibnite
Ore: Silver
Ore: Galena
Gangue: Calcite
Comments
Comment (Exploration): Status = Inactive
Comment (Production): Production Notes = Antimony ore was mined on a small scale in 1915, but amount of production is unknown (Brooks, 1916, p. 29; B 642).
Comment (Reference): Primary Reference = Brooks, 1916 (B 649)
Comment (Workings): Workings / Exploration = Workings caved and inaccessible in 1942 (Joesting, 1942; ATDM Pamph. 1).
Comment (Commodity): Ore Material = argentiferous galena
Comment (Deposit): Model Name = Gold-stibnite-quartz vein.
Comment (Geology): Geologic Description = This site consists of a fracture or shear zone that has been traced for 600-700 feet; it is 3 to 5 feet wide and contains shoots and kidneys of stibnite as much as 4 feet across (Brooks, 1916; B 649). In places the fracture zone appears to have little ore in it and in others the stibnite occupies the entire zone. Between the shoots, quartz and mineralized schists contain small kidneys of ore. The stibnite forms finely granular and fibrous aggregates and shows only a thin film of oxidation products. Fine grains of vitreous quartz occur in the masses of stibnite. Some fractured quartz is cemented by stibnite. Some gold and argentiferous galena are also present. The shear zone is in part bounded by smooth walls and in part by zones of fractured schist. Mica schist country rock strikes N 80 E, and dips 80 S. One sample contained 46.53% Sb and ore samples averaged 0.75 ounces of gold and a trace to 1.96 ounces of silver per ton (Joesting, 1942, ATDM Pamph. 1; Killeen and Mertie, 1951).
References
Reference (Deposit): Ebbley, N., and Wright, W.S., 1948, Antimony deposits in Alaska: U.S. Bureau of Mines Report of Investigations 4173, 41 p.
Reference (Deposit): Killeen, P.L., and Mertie, J.B., 1951, Antimony ore in the Fairbanks District, Alaska: U.S. Geological Survey Open-File Report 51-46, 43 p.
Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Livengood quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-819, 241 p.
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Livengood quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-413, 2 sheets, scale 1:250,000.
Reference (Deposit): Mulligan, J.J., 1974, Mineral resources of the Trans-Alaska Pipeline corridor: U.S. Bureau of Mines Information Circular 8626, 24 p.
Reference (Deposit): Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Circle quadrangle, Alaska: U.S. Geological Survey Open-File Report 76-633, 72 p.
Reference (Deposit): Joesting, H.R., 1942, Strategic mineral occurences in interior Alaska: Alaska Territorial Department of Mines Pamphlet 1, 46 p.
Reference (Deposit): Brooks, A.H., 1916, Antimony deposits of Alaska: U.S. Geological Survey Bulletin 649, 67 p.
Reference (Deposit): Chapman, R.M., and Foster, R.L., 1969, Lode mines and prospects in the Fairbanks district, Alaska: U.S. Geological Survey Professional Paper 625-D, 25 p., 1 plate.
Reference (Deposit): Brooks, A.H., 1916, Antimony deposits of Alaska: U.S. Geological Survey Bulletin 649, 67 p.
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