The Shaft Northwest of Twelvemile Knoll is a lead and zinc mine located in Beaver county, Utah at an elevation of 5,620 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: 5,620 Feet (1,713 Meters)
Commodity: Lead, Zinc
Lat, Long: 38.29556, -113.17194
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.
Shaft Northwest of Twelvemile Knoll MRDS details
Site Name
Primary: Shaft Northwest of Twelvemile Knoll
Commodity
Primary: Lead
Primary: Zinc
Secondary: Silver
Location
State: Utah
County: Beaver
District: Star 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
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR VEIN
Structure
Type: R
Description: Colorado Plateau/Basin & Range Transition Zone, Cordilleran Hingeline
Type: L
Description: Eastward Dipping Homocline (Star Range) Believed To Be Part Of An Eastward Moving Thrust Plate.
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Smithsonite
Ore: Jarosite
Ore: Plumbojarosite
Comments
Comment (Location): SECTION SUBDIVISIONS SE 1/4 SW 1/4 SW 1/4 SECTION 11
Comment (Deposit): SHAFT 100 FT
References
Reference (Deposit): PERRY, L, I, 1976, LEAD AND ZINC IN UTAH: UTAH GEOL & MIN SURVEY OPEN FILE REPORT #22.
Reference (Deposit): BAER, J L, 1962, GEOL OF THE STAR RANGE, BEAVER COUNTY, UTAH: B Y U STUDIES, V 9, PART 2, P 29-52.
Reference (Deposit): 1913 RECON BUTLER, B S, USGS PP #80
Reference (Deposit): 1920 RECON BUTLER, B S, USGS PP #111
Reference (Deposit): 1962 GEOLMAP BAER, J L, BYU STUDIES V 9
Reference (Deposit): BAETCKE, G B, 1969, STRATIGRAPHY OF THE STAR RANGE AND RECONNAISSANCE STUDY OF THREE SELECTED MINES: UNIV OF UTAH P HD THESIS.
Reference (Deposit): 1963 COMPILE HEYL, A V, USGS BULL 1135-B
Reference (Deposit): 1973 COMPILE UGA PUBL #3
Reference (Deposit): 1973 GEOLMAP UGMS SS #46
Reference (Production): EVERTS, M L, 1979, ON SITE INVESTIGATIONS: UT GEOL AND MIN SUR
Reference (Deposit): ABOU-ZIED, S, AND WHELAN, J, A, 1973, GEOLOGY AND MINERALOGY OF THE MILFORD FLAT QUADRANGLE, STAR DISTRICT, BEAVER CO, UT, UGMS SPEC S 46
Reference (Deposit): GEOLOGY OF THE MILFORD AREA, 1973, UTAH GEOL ASSOC PUBL 3.
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.
