The Bokan Mountain is a uranium mine located in Alaska at an elevation of 951 feet.
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: 951 Feet (290 Meters)
Commodity: Uranium
Lat, Long: 54.91111, -132.13889
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.
Bokan Mountain MRDS details
Site Name
Primary: Bokan Mountain
Secondary: Ross-Adams Mine
Secondary: I+L Prospects, Atom-Marietta Prospect, Carol Ann Prospect
Commodity
Primary: Uranium
Tertiary: Thorium
Tertiary: REE
Tertiary: Niobium (Columbium)
Tertiary: Lead
Tertiary: Fluorine-Fluorite
Tertiary: Beryllium
Location
State: Alaska
District: Ketchikan District
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Kendrick Bay Mining Co.
Owner Name: Standard Metals Co.
Production
Year: 1951
Time Period: 1957-1951
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1957
Year Last Production: 1971
Discovery Year: 1955
Discovery Method: Geophysical Anomaly
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: L
Description: Many Steep Faults Cut Ore Body
Alterations
Not available
Rocks
Name: Mafic Intrusive Rock
Role: Associated
Age Type: Associated Rock Unit
Age Young: Middle Jurassic
Name: Mafic Intrusive Rock
Role: Associated
Age Type: Host Rock
Age Young: Eocene
Name: Peralkaline Granite
Role: Associated
Age Type: Host Rock
Age in Years: 171.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Middle Jurassic
Name: Peralkaline Granite
Role: Associated
Age Type: Host Rock
Age in Years: 186.000000+-
Dating Method: K-Ar
Age Young: Middle Jurassic
Name: Peralkaline Granite
Role: Associated
Age Type: Host Rock
Age in Years: 181.000000+-
Dating Method: K-Ar
Age Young: Middle Jurassic
Name: Peralkaline Granite
Role: Host
Age Type: Host Rock
Age in Years: 181.000000+-
Dating Method: K-Ar
Age Young: Middle Jurassic
Name: Peralkaline Granite
Role: Host
Age Type: Host Rock
Age in Years: 171.000000+-
Dating Method: U-Pb (zircon)
Material Analyzed: Zircon
Age Young: Middle Jurassic
Name: Peralkaline Granite
Role: Host
Age Type: Host Rock
Age in Years: 186.000000+-
Dating Method: K-Ar
Age Young: Middle Jurassic
Analytical Data
Analytical Data: ANALYSES OF ORE GAVE 0.18-3.2% U (AVERAGE OF 1.08%), 0.76-5.66% TH (AVERAGE OF 2.65%) AND FROM O TO SEVERAL PERCENT RAE
Materials
Ore: Uraninite
Ore: Parisite
Ore: Xenotime
Ore: Monazite
Ore: Thorite
Ore: Galena
Ore: Brannerite
Gangue: Tourmaline
Gangue: Cordierite
Gangue: Quartz
Gangue: Albite
Gangue: Riebeckite
Gangue: Zircon
Gangue: Pyrite
Comments
Comment (Reserve-Resource): ADDITIONAL RESERVES AND RESOURCES HAVE BEEN LOCATED IN LATE 1970'S, BUT TONNAGE AND GRADE ARE UNPUBLISHED
Comment (Commodity): LIST OF MINERALS IS PARTIAL
Comment (Location): LOCATION GIVEN IS FOR ROSS-ADAMS MINE, OTHER LOCATIONS ARE TO THE EAST LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Production): ORE WAS AT LEAST AS RICH IN THORIUM, BUT IT WAS NOT RECOVERED
Comment (Development): EXPLORATION HAS CONTINUED AT LEAST THROUGH 1982, BUT URANIUM PRICES ARE TOO LOW FOR MINING
Comment (Deposit): VEINLETS AND DISSEMINATIONS OF ORE ARE IN FUSIFORM SHAPED ZONE WITHIN PERALKALINE INTRUSION. ALSO, SEVERAL INTERESTING PROSPECTS TO THE EAST, (I+L, ETC.) ARE IN VEINS.
Comment (Workings): MINING FROM AN OPEN PIT AT FIRST. UNDERGROUND WORKINGS MAY HAVE BEEN DEVELOPED LATER
References
Reference (Deposit): ADGGS GEOLOGIC REPORT 44, P. 7,9-10
Reference (Deposit): USGS OPEN FILE 76-246, P. 33-34
Reference (Deposit): ADGGS SPECIAL REPORT 31, P. 9
Reference (Deposit): CAN J EARTH SCI, VOL 20, NO 2, P. 236-245
Reference (Deposit): ECON GEOL V 73, NO 4, P. 512-523
Reference (Production): USGS OPEN FILE 76-246
Reference (Deposit): USGS BULLETIN 1154, P. 62-73
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