The Craigie Creek 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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Craigie Creek MRDS details
Site Name
Primary: Craigie Creek
Commodity
Primary: Tungsten
Secondary: Copper
Secondary: Molybdenum
Location
State: Alaska
District: Willow Creek
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:
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: Magnetite
Ore: Molybdenite
Ore: Pyrite
Ore: Scheelite
Ore: Zircon
Comments
Comment (Exploration): Status = Inactive
Comment (Workings): Workings / Exploration = Assays of pan concentrates yield up to 130 ppm Cu and up to 5 ppm Mo (Jasper, 1967).
Comment (Geology): Geologic Description = Jasper (1967) reported the bedrock of the area to be quartz diorite and likewise, the float in the creek is quartz diorite. Pan concentrates in stream gravel contained up to 90 percent magnetite, 1 percent pyrite, up to 10% zircon, and locally up to 15 percent scheelite. ? Bedrock in the vicinity is the Willow Creek Pluton, a zoned pluton: the outer part consists of hornblende quartz diorite and lesser hornblende tonalite; the core consists of hornblende-biotite granodiorite, and lesser hornblende-biotite quartz monzodiorite and biotite quartz monzonite.
Comment (Reference): Primary Reference = Jasper, 1967
Comment (Geology): Age = Willow Creek Pluton is Late Cretaceous.
References
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Anchorage quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-409, 1 sheet, scale 1:250,000.
Reference (Deposit): Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials in the Anchorage quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1095, 184 p.
Reference (Deposit): Jasper, M.W., 1967, Geochemical investigations along the Valdez to Chitina Highway, south-central Alaska: Alaska Division of Geological and Geophysical Surveys Geochemical Report 15, 33 p.
Reference (Deposit): Cobb, E.H., 1975, Tungsten occurrences in Alaska: U.S. Geological Survey Mineral Investigations Resource Map MR-66, 1 sheet, scale 1:250,000.
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