The Curve Creek is a fluorine-fluorite 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
Curve Creek MRDS details
Site Name
Primary: Curve Creek
Commodity
Primary: Fluorine-Fluorite
Secondary: Beryllium
Location
State: Alaska
District: Port Clarence
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
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Mass balance calculations show significant SiO2, Al2O3, alkali, and fluorine enrichment with mineralization (Sainsbury, 1968, p. 1567).
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Fluorite
Gangue: Silica
Gangue: Stibnite
Gangue: Pyrite
Gangue: Diaspore
Comments
Comment (Reference): Primary Reference = Sainsbury, 1969.
Comment (Reserve-Resource): Reserves = Not defined
Comment (Geology): Age = the age of the mineralization is assumed to be related to the development of tin systems in the Lost River area and therefore Late Cretaceous, the age of the tin-mineralizing granites there (Hudson and Arth, 1983).
Comment (Deposit): Model Name = Fluorite- and beryllium-bearing veins and replacements in Ordovician limestone (Sainsbury, 1968)
Comment (Geology): Geologic Description = Fluorite and some beryllium (up to 0.15% BeO) mineralization is localized along mafic dikes and fractured Lower Orodvician limestone in the footwall of the Rapid River fault. Sainsbury (1969; 1972) maps the Rapid River fault as a 12-mile long east-west trending thrust fault in the southern part of the York Mountains although stratigraphic relations across the fault suggest normal displacement. Mineralization here is apparently present over about 4,000 feet of east-west strike.
Comment (Workings): Workings / Exploration = Surface observations and sampling reported by Sainsbury (1969, p. 77-78).
Comment (Exploration): Status = Inactive
References
Reference (Deposit): Sainsbury, C.L., 1969, Geology and ore deposits of the central York Mountains, western Seward Peninsula, Alaska: U.S. Geological Survey Bulletin 1287, 101 p.
Reference (Deposit): Cobb, E.H., 1975, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Teller quadrangle, Alaska: U.S. Geological Survey Open-File Report 75-587, 130 p.
Reference (Deposit): Sainsbury, C.L., 1972, Geologic map of the Teller quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Map I-685, 4 p., 1 sheet, scale 1:250,000.
Reference (Deposit): Sainsbury, C.L., 1968, Tin and beryllium deposits of the central York Mountains, Alaska, in Ridge, J. D., ed., Ore deposits in the United States, 1933-67: American Institute of Mining, Metallurgy, and Petroleum Engineers, v. 2, p. 1555-1572.
Reference (Deposit): Cobb, E.H., and Sainsbury, C.L., 1972, Metallic mineral resource map of the Teller quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-426, 1 sheet, scale 1:250,000.
Reference (Deposit): Hudson, T.L., and Arth, J. G., 1983, Tin-granites of Seward Peninsula, Alaska: Geological Society of America Bulletin, v. 94, p. 768-790.
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