The Mammoth Mine is a silver, copper, gold, and lead mine located in Juab county, Utah at an elevation of 7,041 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: 7,041 Feet (2,146 Meters)
Commodity: Silver, Copper, Gold, Lead
Lat, Long: 39.93222, -112.11139
Map: View on Google Maps
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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.
Mammoth Mine MRDS details
Site Name
Primary: Mammoth Mine
Secondary: Mammoth Hoist and Adit
Commodity
Primary: Silver
Primary: Copper
Primary: Gold
Primary: Lead
Secondary: Arsenic
Secondary: Zinc
Location
State: Utah
County: Juab
District: Tintic District
Land Status
Land ownership: Private
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: Mammoth Mining Co.
Home Office: C/O E. Steele Mcintyre Eureka, Ut.
Owner Name: Kennecott Copper Corp.
Home Office: Salt Lake City, Ut.
Production
Year: 1977
Time Period: 1976-1977
Description: Cp_Grade: ^.05 Oz Au, 2.5 Oz Ag
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1872
Year Last Production: 1980
Discovery Year: 1871
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Basin And Range Province
Physiographic Section: Great Basin
Physiographic Detail: Thomas Mountains - Tintic Mountains
Mineral Deposit Model
Not available
Orebody
Form: BLANKET, PIPE
Structure
Type: L
Description: Mammoth Fault Offsets Ore
Alterations
Not available
Rocks
Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Name: Plutonic Rock
Role: Associated
Age Type: Host Rock
Age Young: Late Devonian
Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock Unit
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Enargite
Ore: Galena
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Quartz
Gangue: Calcite
Comments
Comment (Location): HEAD OF CANYON WEST OF MAMMOTH; EAST SLOPE OF MAMMOTH PEAK HOIST IS UTM ; INFO FROM LAND.ST :1977
Comment (Production): POSSIBLY 50 TONS PRODUCED 1979. CUMULATIVE SIL IS SILICEOUS DUMP ORE
Comment (Deposit): PIPE AT INTERJECTION OF MINOR AND MAJOR FAULTS
Comment (Workings): VERTICAL SHAFT, ONE TO THREE COMPARTMENTS, WITH TIMBERS CABLES TOGETHER IN SOME OPEN STOPES. ELECTRIC HOIST ON 300 OR ADIT LEVEL. DEEPENED FROM 2100 TO 2600 BY C. STEEN IN 1960S. LEVELS EVERY 100 FT.
Comment (Deposit): MAMMOTH ORE BODY IN UPPER LEVELS WAS FAULTED TO GRAND CENTRAL 800 LEVEL. CONNECTIONS DRIVEN BY KENNECOTT. 1600 LEVEL USED TO MINEE GOLD CHAIN ORES. BRECCIA ADJACENT TO ORE AT SURFACE STOPE CONTAINS COPPER CARBONATE CLASTS. STOPE CONTAINS STRONG IRON OXIDES. MASSIVE PYRITE AT DEPTH. WATER BELOW 2400 LEVEL, 200 GALLONS PERIMINUTE AT 2600. ROLLIN BRAY LAST MINE SUPERINTENDENT. ; INFO.SRC : 1 PUB LIT; 5 PERS COMM
Comment (Geology): DEEP ORE SOUTH OF SHAFT, S OF SIOUX A JAX IN DAGMAR DOLOMITE. 1000 FT WORKINGS ON 2600 SOUGHT OPHIR LIMESTONE.
Comment (Development): PRESENT OWNERS' GRANDPARENTS ACQUIRED MINE IN 1877 OR 78 AND OPERATED UNTIL 1954. PURCHASED FOR 1400 HEAD OF CATTLE.
References
Reference (Deposit): FULL, R.P., 1966, REPORT AND MAP FOLIO, MAMMOTH MINE, PRIVATE REPORT TO NEW PARK MINING CO., 1 INCH = 200 FT.
Reference (Production): MCINTYRE, 1983
Reference (Deposit): MORRIS, H.T., AND LOVERING, T.S., 1979, GENERAL GEOLOGY AND MINES OF THE EAST TINTIC MINING DISTRICT, UTAH AND JUAB COUNTIES, UTAH: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1024, 194 PP.
Reference (Deposit): COOK, D.R., ED., 1957, GEOLOGY OF THE EAST TINTIC MOUNTAINS AND ORE DEPOSITS OF THE TINTIC MINING DISTRICTS: UTAH GEOL. SOC. GUIDEBOOK, NO. 12, 183 P.
Reference (Deposit): MORRIS, H.T., 1964, GEOLOGY OF THE EUREKA QUADRANGLE, UTAH AND JUAB COUNTIES, UTAH: U.S. GEOLOGICAL SURVEY BULLETIN 1142-K, P. K1-K29.
Reference (Deposit): LINDGREN, WALDEMAR, AND LOUGHLIN, G.F., 1919, GEOLOGY AND ORE DEPOSITS OF THE TINTIC MINING DISTRICT, UTAH: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 107, 276 PP.
Reference (Deposit): MCINTYRE, E. STEELE, PERSONAL INTERVIEW, OCTOBER 1983.
Reference (Deposit): MORRIS, H.T., 1968, THE MAIN TINTIC MINING DISTRICT IN RIDGE, J.D. EDITOR, GRATON SALES VOLUME, AIME.
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