Moose Jaw

The Moose Jaw 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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Site Name

Primary: Moose Jaw

Commodity

Primary: Antimony

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: Epithermal vein, Creede
Model Name: Epithermal vein, Comstock

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Alteration at the Moose Jaw prospect consists of extensive hornfelsing of the sedimentary rocks adjacent to igneous rocks.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Stibnite
Ore: Stibiconite
Gangue: Quartz

Comments

Comment (Exploration): Status = Active

Comment (Deposit): Model Number = 25b, 25c?

Comment (Geology): Geologic Description = Bedrock in the vicinity of the Moose Jaw prospect consists of intermediate to mafic volcanic and volcaniclastic rocks, and of Cretaceous Kuskokwim Group black shale, limestone, graywacke, and conglomerate intruded by Cripple Mountain monzonite (McGinnis, 1997; Avalon Development Corp., 1998; Duncan, 1999). Hornfelsed sedimentary rocks, and rare basalt and rhyodacite dikes are present (Barker, 1996; Avalon Development, 1998). Mineralization at the Moose Jaw prospect was exposed in a now-reclaimed trench. What remains is a small pile of stibnite, stibiconite, and vuggy crystalline quartz boulders (Avalon Development, 1998). Several thin quartz-limonite veins are present in float 20 meters to the southeast. Exploration at the Moose Jaw prospect consists of geologic mapping and sampling by Barker during 1994, 1995, and 1996; soil sampling, rock sampling, and geologic mapping by NovaGold during 1998; and mobile-metallic-ion (MMI) sampling by Poseidon Minerals, Ltd. during 1999 (Barker, 1996; Avalon Development Corp., 1998; Duncan, 1999). Also see OP031, 033, and 034; and in the Medfra quadrangle, MD019 and 020.

Comment (Deposit): Model Name = Epithermal Au (Cox and Singer, 1986; model 25b, 25c?)

Comment (Geology): Age = Cretaceous or younger. The igneous rocks associated with the prospect intrude Cretaceous strata of the Kuskowkwim Group.

Comment (Workings): Workings / Exploration = During 1994, 1995, and 1996, claimholder Ron Rosander contracted geologist James Barker to evaluate the lode sources of placer gold in the Colorado Creek area. Barker collected 254 soil samples, 93 rock samples, and 12 samples of placer gold for scanning-electron microscope and trace- element analysis. Geologic mapping and a ground-based magnetometer survey were also carried out (Barker, 1996; McGinnis, 1997). In 1996, the Alaska Division of Geological and Geophysical Surveys conducted geologic mapping in the Cripple Creek Mountains and Placer Dome Exploration flew an east-west-oriented aeromagnetic survey over the Cripple Creek Mountains. Nova Gold conducted geologic mapping, rock sampling, and soil sampling during the summer of 1998 (Avalon Development, 1998). During 1999, Poseidon Minerals, Ltd. carried out soil sampling in the Colorado Creek area, and used mobile-metallic-ion (MMI) analyses (Duncan, 1999).

Comment (Reference): Primary Reference = Duncan, 1999

Comment (Deposit): Other Comments = For more information, contact Ron Rosander in McGrath, AK.

References

Reference (Deposit): Avalon Development Corp., 1998, Colorado Creek project, Ophir and Medfra quadrangles, southwest Alaska: report prepared for NovaGold Resources Inc., 9 p.

Reference (Deposit): Duncan, R.G., 1999, Colorado Creek project, Alaska, interim report: unpublished report for Poseidon Minerals Ltd., 22 p.

Reference (Deposit): Dashevsky, S.S., 2000, Colorado Creek project (Au) Innoko district, Alaska: unpublished report for Rosander Mining Company, 7 p.

Reference (Deposit): Barker, J.C., 1996, Geologic evaluation of the Colorado Creek prospect area, Alaska: Summary report prepared for Placer Dome Exploration, San Franscisco, California, 73 p.

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