Unknown

The Unknown is a uranium mine located in San Juan county, Utah at an elevation of 4,800 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

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.

Site Name

Primary: Unknown
Secondary: C - Group

Commodity

Primary: Uranium
Tertiary: Copper

Location

State: Utah
County: San Juan
District: Interriver District

Land Status

Land ownership: National Park
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

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Other
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: Canyon Lands

Mineral Deposit Model

Not available

Orebody

Form: LENS, PODS, TABULAR, IRREGULAR

Structure

Type: R
Description: Northeastern Flank Lockhart Anticline

Alterations

Alteration Type: L
Alteration Text: Bleaching In Mudstone

Rocks

Name: Mudstone
Role: Host
Age Type: Host Rock
Age Young: Late Triassic

Name: Mudstone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Triassic

Analytical Data

Analytical Data: V2O5 = .015 %
Analytical Data: U3O8 = .026 %

Materials

Ore: Uraninite
Ore: Malachite
Gangue: Gypsum
Gangue: Limonite
Gangue: Calcite

Comments

Comment (Deposit): SCOUR FILLED WITH CONGLOMERTIC SANDSTONE WITH ABUNDANT CARBONIZED ORGANIC MATERIAL CUT INTO UNDERLYING MOEUKOPI.

Comment (Workings): 4 ADIT, 1 DOGHOLE, EXPLORING SCOURS IN PALEOCHANNEL OF MOSSBACK CUT INTO MOENKOPI - MINED BY RANDOM ROOM AND PILLAR, RIM UNDER CUT.

Comment (Development): DISCOVERED BY AIRBORNE PROSPECTING

References

Reference (Analytical Data): SRC.REF: ( SPL H48 ) 1 FT. CHIP UNDERHAND STOPEING 50 FT IN FROM PORTAL N RIB

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