The Moose Jaw is a antimony 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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Moose Jaw MRDS details
Site Name
Primary: Moose Jaw
Commodity
Primary: Antimony
Primary: Gold
Secondary: Arsenic
Secondary: Mercury
Location
State: Alaska
District: Innoko
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: Simple Sb (veins, pods, etc)
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Stibnite locally altered to stibiconite.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Stibnite
Gangue: Quartz
Comments
Comment (Exploration): Status = Inactive
Comment (Deposit): Model Name = Simple stibnite deposit (Cox and Singer, 1986; model no. 27d)
Comment (Deposit): Other Comments = See Wyoming Lode (MD016) in Medfra C-6 quadrangle.
Comment (Production): Production Notes = Large and impressive stibnite crystals and blades that are very abundant throughout vein structure might have mineral specimen potential.
Comment (Geology): Geologic Description = The Moose Jaw deposit is a quartz-stibnite vein deposit that cuts the hornfels aurole of the Cripple Creek Mountains Pluton near the head of Colorado Creek drainage. The deposit is conspicuously marked by a slight break or notch in a steep scree slope of hornfels outcrops and rubble. The quartz-stibnite vein trends north 55 degrees east for a distance of at least 700 feet (213 m); talus buries the vein on both ends. Where exposed, the vein varies from 1.5 to 4.0 feet (0.45 to 1.20 m) in width. . Very coarse stibnite blades up to 12 inches (30 cm) long form clusters and rosettes throughout the vein structure. Massive, finer grained stibnite makes up about 20 percent of the Moose Jaw vein, whereas disseminated stibnite zones characterize about 30 percent of the vein. About 50 percent of the vein consists of mixtures of massive to coarse, bladed stibnite and euhedral quartz crystals, disseminated quartz, and stockwork style zones in hornfels. Age of mineralization is inferred to be Late Cretaceous based on 71.0 Ma age of adjacent pluton (Bundtzen and others, 1997). Pits have been dug along about 400 feet (122 m) of strike of the vein; however, the first published descriptions are from Bundtzen and other (1997). Four chip-channel samples along about 600 feet (182 m) of the Moose Jaw prospect contained 31 to 1,675 ppb gold, 0.20 to 44.90 percent antimony, 40 to 50 ppm mercury, and 580 to 14,600 ppm arsenic.
Comment (Geology): Age = Late Cretaceous (inferred) based on 71.0 Ma age of adjacent pluton (Bundtzen and others, 1997).
Comment (Reference): Primary Reference = Bundtzen and others, 1997
Comment (Workings): Workings / Exploration = In previous years, pits were dug along about 400 feet (122 m) of strike of the vein; however, the first published descriptions are from Bundtzen and other (1997). Four chip-channel samples along about 600 feet (182 m) of the Moose Jaw prospect contained 31-to-1,675 ppb gold, 0.20-to-44.90 percent antimony, 40 to 50 ppm mercury, and 580 to 14,600 ppm arsenic.
References
Reference (Deposit): Patton, W.W., Jr., Moll, E.J., Dutro, J.T., Jr., Silberman, M.L., and Chapman, R.M., 1980, Preliminary geologic map of Medfra quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-811-A, 1 sheet, scale l:250,000.
Reference (Deposit): Bundtzen, T.K., Pinney, D.S., and Laird, G.M., 1997, Preliminary geologic map and descriptive data tables from the Ophir C-1 and western Medfra C-6 quadrangles, Alaska: Alaska Division of Geological and Geophysical Surveys Public Data File Report 97-46, 10 p., 1 sheet, scale 1:63,360.
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