Unknown

The Unknown is a uranium mine located in San Juan county, Utah at an elevation of 5,440 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

Name: Unknown  

State:  Utah

County:  San Juan

Elevation: 5,440 Feet (1,658 Meters)

Commodity: Uranium

Lat, Long: 38.40472, -109.46250

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.


Satelite image of the Unknown

Unknown MRDS details

Site Name

Primary: Unknown
Secondary: Bridger Jack Mesa 1 - 14


Commodity

Primary: Uranium
Secondary: Vanadium


Location

State: Utah
County: San Juan
District: Bridger Jack Mesa, Moab District


Land Status

Land ownership: BLM Administrative Area
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

Type: Underground


Ownership

Owner Name: Jack Halverson


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: Canyon Lands
Physiographic Detail: Lisbon Prong - Salt Anticline Region


Mineral Deposit Model

Not available


Orebody

Form: POD - LENS


Structure

Type: R
Description: Paradox Fold & Fault Belt

Type: L
Description: Local Fault


Alterations

Not available


Rocks

Name: Sandstone
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic

Name: Sandstone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Jurassic


Analytical Data

Analytical Data: U3O8 = .300 %, V2O5 = .378


Materials

Ore: Uraninite
Ore: Uranophane
Ore: Tyuyamunite
Gangue: Gypsum
Gangue: Limonite
Gangue: Jarosite


Comments

Comment (Production): MAX PROD. THOUGHT TO BE LESS THAN 100 LBS. U3O8

Comment (Location): SECTION SUBDIVISION: NW 1/4 SE 1/4 NE 1/4 SEC 35


References

Reference (Analytical Data): SRC.REF: H 29 2 FT CHIP SAMPLE 100 FT FROM PARTIAL IN SW CROSSCUT MINERALIZED TOLL

Reference (Reserve-Resource): DOELLING, H. H.


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