Unknown

The Unknown is a mine located in Box Elder county, Utah at an elevation of 4,780 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

Commodity

Tertiary: Copper

Location

State: Utah
County: Box Elder
District: Crater Island/Silver Island

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

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N

Physiography

General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Crater Island

Mineral Deposit Model

Not available

Orebody

Form: TABULAR

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Limonitization

Rocks

Name: Dolomite
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian

Name: Dolomite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cambrian

Analytical Data

Analytical Data: WEAKLY MINERALIZED

Materials

Ore: Malachite
Ore: Hematite
Ore: Chalcopyrite
Gangue: Limonite
Gangue: Quartz

Comments

Comment (Workings): ONE INCLINED SHAFT GREATER THAN 200 FT., TWO SMALL PITS ANOTHER INCLINED SHAFT 30 FT DEEP.

Comment (Location): SW NW

Comment (Deposit): 2 PARALLELING FISSURE VEINS.

References

Reference (Deposit): BUTLER, B.S., 1920, ORE DEPOSITS OF UTAH: USGS PROF. PAPER III.

Reference (Deposit): SCHAEFFER, F.E., AND ANDERSON, W.L., 1960, GEOLOGY OF THE SILVER ISLAND MOUNTAINS, BOX ELDER & TOOELE, COUNTIES, UTAH & ELKO CO., NEV.: UTAH GEOL. SOC. BULL. 15.

Reference (Deposit): DOELLING, H.H., IN PREPARATION, GEOLOGY AND MINERAL RESOURCES OF BOX ELDER COUNTY, UTAH: UTAH GEOL. & MINERAL SURVEY BULLETIN.

Reference (Reserve-Resource): THIS REVIEW

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