The Maxfield Mine is a lead and silver mine located in Salt Lake county, Utah at an elevation of 6,969 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: 6,969 Feet (2,124 Meters)
Commodity: Lead, Silver
Lat, Long: 40.6425, -111.68417
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.
Maxfield Mine MRDS details
Site Name
Primary: Maxfield Mine
Commodity
Primary: Lead
Primary: Silver
Secondary: Gold
Secondary: Copper
Tertiary: Iron
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: U.S. Forest Service
Owner Name: L. W. Hoskins
Production
Year: 1940
Time Period: 1902-1940
Material type: ORE
Description: Cp_Grade: ^.17 Oz/Ton Au, 52 Oz/Ton Ag
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1880
Discovery Year: 1871
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: L
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Middle Rocky Mountains
Physiographic Detail: Wasatch Mountains
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Form: TABULAR
Form: TABULAR
Structure
Type: R
Description: N. Flank, Big Cottonwood Uplift
Type: L
Description: Fissure (N To N20e, Steeply), Faulting
Alterations
Alteration Type: L
Alteration Text: Limestone Next To Dike Has Been Altered To Silicates Containing Epidote, Mica, Wollastonite, Diopside, Garnet. There Is No Ore In The Zone. Bleaching Of The Ls. Is Common
Rocks
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Diorite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Analytical Data
Analytical Data: 19.7% PB
Analytical Data: 1.4% CU
Analytical Data: 51.8 OZ AG/TON
Analytical Data: AVERAGE GRADE OF ORE BETWEEN 1902-1940 0.165 OZ AU/TON
Materials
Ore: Malachite
Ore: Pyrite
Ore: Galena
Ore: Gold
Ore: Silver
Gangue: Garnet
Gangue: Diopside
Gangue: Sepiolite
Gangue: Quartz
Gangue: Wollastonite
Gangue: Calcite
Comments
Comment (Production): LINE G9: 0.17 OZ AU, 50 OZ AG, 20% PB, 1.5% CU
Comment (Workings): TWO ADITS (CAVED), SHORT ADIT, RAISES, WINZES, DRIFTS, CROSSCUTS AND LARGE STOPES TOTALING MORE THAN 15,000 FT., LOWER WORKING ARE FLOODED, ABOUT 1800 FT. OF VERTICAL INTERVAL PROBED.
Comment (Geology): THE MINE IS AT THE APEX OF A SMALL DIKE AND SILL SWARM, N 80=HYDROTHERMAL
Comment (Location): INFO FROM LAND.ST :1977
Comment (Deposit): MANY ORE BODIES WERE FOUND ALONG THE FAVORABLE HORIZON NEAR THE BASE OF THE GARDISON LIMESTONE
References
Reference (Deposit): JAMES, L.P. 1979, GEOLOGY, ORE DEPOSITS, AND HISTORY OF THE BIG COTTONWOOD MINING DISTRICT, SALT LAKE 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. BUTLER 1943, GEOLOGY AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA UTAH: U.S. GEOL. SURV. 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. 51-52; CALKINS AND BUTLER, 1943, P. 102-103
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.
