Unknown

The Unknown is a copper mine located in Tooele county, Utah at an elevation of 4,721 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:  Tooele

Elevation: 4,721 Feet (1,439 Meters)

Commodity: Copper

Lat, Long: 40.8625, -113.90917

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


Commodity

Primary: Copper


Location

State: Utah
County: Tooele
District: Silver Island 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: Surface/Underground


Ownership

Owner Name: U.S. Bureau Of Land Management


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Vein
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: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Silver Island Mountains


Mineral Deposit Model

Not available


Orebody

Form: TABULAR AND IRREGULAR


Structure

Type: L
Description: East-West Faults-Tetzlaff Peak Fault


Alterations

Not available


Rocks

Name: Dolomite
Role: Host
Age Type: Associated Rock
Age Young: Pliocene

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

Name: Dolomite
Role: Host
Age Type: Associated Rock Unit
Age Young: Pliocene

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


Analytical Data

Not available


Materials

Gangue: Marble
Gangue: Limonite
Gangue: Quartz


Comments

Comment (Reserve-Resource): A FEW TONS OF VERY LOW GRADE

Comment (Commodity): MAY CONTAIN SILVER

Comment (Production): TEST LOTS MAY HAVE BEEN SHIPPED

Comment (Deposit): THIN FISSURES ALONG FAULTS, IRREGULAR BODIES ADJACENT TO FAULT IN BREECIA ZONES

Comment (Workings): SCATTERED PITS AND CUTS, MOST VERY SMALL IN ABOVE OUTLINED AREA; ONE ADIT, ONE INCLINED SHAFT AND ONE 30 FT. VERTICAL SHAFT.


References

Reference (Deposit): SHAEFFER, F.E., 1980, GEOLOGY OF THE SILVER ISLAND MTS.: UTAH GEOL. SOC. GUIDEBOOK 15.

Reference (Deposit): TRIPP, B., 1980, UTAH GEOL. AND MINERAL SURVEY: ON SITE INVESTIGATION.

Reference (Reserve-Resource): TRIPP, B., 1980, UTAH GEOL. AND MINERAL SURVEY: ON SITE INVESTIGATION


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