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
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.
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
The Top Ten Gold Producing States
These ten states contributed the most to the gold production that built the West from 1848 through the 1930s. The Top Ten Gold Producing States.
