The Lost River Valley Be Deposits is a beryllium and 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
Elevation:
Commodity: Beryllium, Fluorine-Fluorite
Lat, Long: 65.45194, -167.16917
Map: View on Google Maps
Satelite View
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.
Lost River Valley Be Deposits MRDS details
Site Name
Primary: Lost River Valley Be Deposits
Secondary: Grothe-Pearson Prospect
Secondary: Tozer Prospect
Commodity
Primary: Beryllium
Primary: Fluorine-Fluorite
Location
State: Alaska
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
Discovery Year: 1962
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Rapid River Thrust Fault
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: BULK SAMPLES CONTAINED 0.15-0.25% BE AND 23.0-27.1% F, USGS CIRCULAR 479, P. 8, TABLE 5, SAMPLES 2-4.
Materials
Ore: Chrysoberyl
Gangue: Tourmaline
Unknown: Fluorite
Comments
Comment (Location): TRENCHES ON GROTHE-PEARSON PROPERTY, USGS BULLETIN 1287, PLATE 5. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Development): CLAIMS STAKED: 1962, 1964.
Comment (Deposit): ENECHELON REPLACEMENT VEINS IN EAST TRENDING BELT ABOUT 1000 FT BY 4200 FT (TRACED TO BESSIE-MAPLE PROSPECT); VEINS OF FLUORITE-DIASPORE-TOURMALINE-WHITE MICA-CHRYSOBERYL OCCUR IN FRACTURES AND ALONG MARGINS OF MAFIC DIKES; LATE VEINLETS OF DIASPORE ARE BE-RICH.
Comment (Workings): EXPLORED BY TRENCHES AND DRILLING
Comment (Deposit): SEE ALSO: BESSIE-MAPLE ; INFO.SRC : 1 PUB LIT
References
Reference (Deposit): USGS CIRCULAR 479, P. 3, 8-9.
Reference (Deposit): USGS BULLETIN 1287, P. 78-79, PLATE 5.
Reference (Other Database): BAG-MF-426-7
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