The Yellow Pup Mine 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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Yellow Pup Mine MRDS details
Site Name
Primary: Yellow Pup Mine
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: Producer
Operation Type: Unknown
Discovery Year: 1942
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
Gangue: Garnet
Gangue: Diopside
Gangue: Apatite
Gangue: Hornblende
Comments
Comment (Deposit): SCHEELITE IN CALC-AMPHIBOLE LAYERS WITHIN A METAMORPHIC ROCK SEQUENCE. MINED ZONE ABOUT 2 M THICK AND CONSTITUTES A STRATABOUND ACCUMULATION OF SCHEELITE THAT IS BOUNDED ON TOP AND BOTTOM BY BARREN PELITIC ROCKS. TUNGSTEN MINERALIZATION FORMS A SERIES OF IRREGULAR LENSES ERRATICALLY DISTRIBUTED HORIZONTALLY AND VERTICALLY. AMPHIBOLITE ZONE MINED ADJACENT TO NE ARM OF GILMORE DOME STOCK, GRANITE SURROUNDS DEPOSIT AND ON THE BASIS OF MAGNETOMETER SURVEY, PROBABLY IS 600-1,000 FT. BELOW SURFACE. THE EASTERN LIMB OF DEPOSIT APPEARS TO HAVE MOST OF THE MINERALIZATION.
Comment (Geology): SCHISTS, CALC-AMPHIBOLITE, AND MARBLE ROCKS ARE BELIEVED TO BE PART OF THE CLEARY SEQUENCE THAT HAS BEEN ALTERED BY THE INTRUSION OF THE GILMORE DOME STOCK. CALC-AMPHIBOLITE IS COMPOSED OF 20-30% HORNBLENDE, 20-30% QUARTZ, AND 5-10% TREMOLITE, MUSCOVITE, EPIDOTE, CLINOZOISTITE, GARNET, PLAGIOCLASE, AND CHLORITE. IN MINE AREA, THE MINERALIZED HORIZON IS ARCHED INTO A SMALL, NORTH PLUNGING, ASSYMETRICAL, ASSYMETRICAL ANTIFORM THAT FLATTENS TO THE SOUTH, WHERE IT IS TRUNCATED TO THE SOUTH BY A HIGH ANGLE FAULT.
Comment (Development): DEPOSIT EXAMINED BY THE USBM, 1943. ORIGINALLY EXPLORED BY SURFACE PITS AND A 12 FT. TUNNEL ON VEIN. 35 TONS OF ORE FROM TUNNEL STOCKPILED. USBM TRENCHING ESTABLISHED CONTINUITY WITH COLBERT MINERALIZED ZONE TO SW. DURING THE MID AND LATE 70'S VINCENT MONZULLA SHIPPED SEVERAL TONS OF HIGH GRADE TUNGSTEN CONCENTRATES AND STOCKPILED A LARGE AMOUNT OF UNMILLED ORE.
Comment (Location): USGS MF-410, LOC. 34. DEPOSIT OCCURS AT THE 1,900 FT. ELEVATION NEAR THE HEAD OF YELLOW PUP CR., A TRIBUTARY OF YELLOW AND FISH CREEKS. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
References
Reference (Deposit): USGS MF-410, LOC. 34
Reference (Deposit): USGS BULL. 1024-I, P. 189, 200-201
Reference (Deposit): USBM RI 4174, P. 4, 6, 8-9, 14-16.
Reference (Deposit): ADDGS AOF-137, P. 1-4.
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