The Newman and Afton Groups Mines is a zinc mine located in Salt Lake county, Utah at an elevation of 7,021 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: 7,021 Feet (2,140 Meters)
Commodity: Zinc
Lat, Long: 40.6425, -111.67583
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.
Newman and Afton Groups Mines MRDS details
Site Name
Primary: Newman and Afton Groups Mines
Secondary: Big Cottonwood Monarch
Secondary: Sunken City
Commodity
Primary: Zinc
Secondary: Nickel
Secondary: Cobalt
Secondary: Lead
Secondary: Silver
Location
State: Utah
County: Salt Lake
District: Big Cottonwood District
Land Status
Land ownership: National Forest
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
Owner Name: J. L. Newman And A. Allesini
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1870
Discovery Year: 1870
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Physiographic Detail: Wasatch Mountains
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: North Flank, Big Cottonwood Uplift
Type: L
Description: Faults
Alterations
Alteration Type: L
Alteration Text: Bleaching Of Limestone; Marblerzation
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Mississippian
Analytical Data
Analytical Data: 1.35% CO
Analytical Data: ASSAY 1.89% N:
Materials
Ore: Silver
Ore: Sphalerite
Ore: Galena
Gangue: Diopside
Gangue: Phlogopite
Gangue: Garnet
Gangue: Serpentine
Gangue: Idocrase
Comments
Comment (Location): ALSO MAGNOLIA (?) INCLINED SHAFT ; INFO FROM LAND.ST :1977
Comment (Production): SOME OXIDE ORE SHIPED IN 1870'S, ONE OR TWO SMALL SHIPMENTS OF ZN-RICH ORE WERE MADE FROM THE AFLON PROPERTY IN THE 1920S.
Comment (Workings): INVOLVES AT LEAST 9 WORKINGS, AFTON WORKING TO THE NORTH OF HIGHWAY, NEWMAN AND COTTONWOOD MONARCH TO SOUTH. AFTON HAS 1500 FT. OF WORKINGS, NEWMAN AND COTTONWOOD HAS 2000 FT
Comment (Deposit): BEDDING DIPS 55 DEGREES NE, SEVERAL FISSURES AND BEDDING SURFACES ARE MINERALIZED
References
Reference (Deposit): JAMES, L.P., 1979, GEOLOGY, ORE DEPOSITS, AND HISTORY OF THE BIG COTTONWOOD MINING DISTRICT, SALT LANE CO. UTAH: UTAH GEOL. & MINERAL SURV. BULL. 114.
Reference (Deposit): CRITTENDEN, M.D. JR, 1965, GEOLOGY OF THE MOUNT AIRE QUADRANGLE, SALT LAKE CO. UTAH: U.S. GEOLOGICAL SURVEY MAP GQ-379
Reference (Deposit): CALKINS, F.C. AND B.S. BUNER, 1943, GEOLOGY AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH: US. GEOL. SUBY. PROF. PAPER 201
Reference (Deposit): BUTLER AND OTHERS, 1920, THE ORE DEPOSITS OF UTAH: U.S. GEOL SURVEY PROF. PAPER 111
Reference (Production): JAMES, L.P., 1979, P. 55
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