The Columbia Prospect is a tungsten 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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MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Columbia Prospect MRDS details
Site Name
Primary: Columbia Prospect
Commodity
Primary: Tungsten
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: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Scheelite
Comments
Comment (Workings): WORKINGS IN 1932 CONSISTED OF 2 ADITS, 2 SHAFTS, A PIT, AND 4 TRENCHES; ALL CAVED.
Comment (Geology): SCHEELITE LODE CUT BY 1 FT. QUARTZ VEIN. DEPOSIT ALONG WESTERN PERIPHERY OF LARGE MASS OF PORPHYRITIC GRANITE.
Comment (Location): USGS MF-410, LOC. 29. DEPOSIT AT THE HEAD OF STEELE CREEK, SE OF SPRUCE HEN GROUP. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Development): PROSPECTED BY A 130 FT. LONG TUNNEL. IN 1916 AN ADIT WAS DRIVEN 80 FT. AND A SMALL MINING PLANT WAS INSTALLED; NO PRODUCTION REPORTED.
Comment (Deposit): LODE IS SCHIST CONTAINING A 3 FT. ZONE OF SCHEELITE-BEARING STRINGERS WITH PORPHYRITIC GRANITE HANGING WALL.
References
Reference (Deposit): USGS MF-410 (D-2) LOC. 29
Reference (Deposit): USGS BULL 662, P. 422-423
Reference (Deposit): USGS BULL. 1024-I, P. 201, 205-206.
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