Monarch Mines

The Monarch Mines is a silver and lead mine located in Tooele county, Utah at an elevation of 8,399 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

Name: Monarch Mines  

State:  Utah

County:  Tooele

Elevation: 8,399 Feet (2,560 Meters)

Primary Mineral: Silver, Lead

Lat, Long: 40.36056, -112.24500

Map: View on Google Maps


Satelite image of the Monarch Mines

Monarch Mines MRDS details

Site Name

Primary: Monarch Mines


Commodity

Primary: Silver
Primary: Lead
Secondary: Gold


Location

State: Utah
County: Tooele
District: Ophir District; Lion Hill Area


Land Status

Land ownership: Private


Holdings

Not available


Workings

Type: Underground


Ownership

Owner Name: F And S Co., Inc.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1916
Year Last Production: 1936
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: Uinta Extension


Mineral Deposit Model

Not available


Orebody

Form: IRREGULAR

Form: IRREGULAR

Form: IRREGULAR

Form: IRREGULAR


Structure

Type: R
Description: Basin And Range

Type: L
Description: Fissures, Fractures And Golds


Alterations

Alteration Type: L
Alteration Text: Dolomitization And Silicification


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: PB 12 PERCENT
Analytical Data: AU $8/TON
Analytical Data: AG 130 OZ/TON


Materials

Ore: Plumbojarosite
Ore: Gold
Gangue: Talc
Gangue: Barite
Gangue: Gypsum
Gangue: Sericite
Gangue: Fluorite
Gangue: Chlorite
Gangue: Calcite


Comments

Comment (Location): INFO FROM LAND.ST :(1977)

Comment (Production): PRODUCTION FIGURES ARE NOT AVAILABLE.

Comment (Deposit): ORE ZONES ARE LOCALIZED IN FISSURES WITH QUARTZ FILLINGS, IN DEFORMED AND HIGHLY ALTERED WALLROCKS; ORE IS EXTREMELY OXIDIZED; ORE BODY DIPS DUE NE

Comment (Workings): ADITS AND DRIFTS TOTALLING 2,000 FT.; WORKINGS ARE GENERALLY CAVED AND INACCESSIBLE;

Comment (Deposit): MINERALIZED ZONE LIES JUST BELOW THE LONG TRAIL SHALE MEMBER, IN THE LOWER PART OF THE 'GREAT BLUE' LIMESTONES, ON THE EASTERN FLANK OF THE OPHIR ANTICLINE. THE ORE DEPOSITS OCCURS IN OY CLOSELY ASSOCIATED WITH JASPEROID. THE JASPEROID LIES IMMEDIATELY BENEATH A SILL OF 'BIRD EYE PORPHYRY: THE ORE FOLLOWED VERY IRREGULAR, GENERALLY NORTH-EASTERLY FISSURES IN THE JASPEROID. THE ORE IS PRACTICALLY ALL OXIDIZED. ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV

Comment (Geology): HOSTROCKS ARE HIGHLY DEFORMED AND ALTERED. LIMESTONES ARE DARK GRAY TO BLACK, DOLOMITIC AND SILICIFIED. SHALES AREGREENISH GRAY TO BLACK, PULVERIZED, CARBONACEOUS, KAOLIMITIC, SERICITIC AND SILICEOUS. EFFECTS OF LIMONITIZATION ARE COMMON ON HOSTROCKS. VEINS OF CALCITE AND QUARTZ HAVE IMPREGNATED THE WALLROCKS.


References

Reference (Deposit): BISSELL, H.J., ET. AL., 1959, GUIDEBOOK TO THE GEOLOGY OF UTAH, NO. 14, UT. GEOL. SOC.: U.G.M.S. BULL. 14, 262P.

Reference (Deposit): GILLULY, J., 1932, GEOLOGY AND ORE DEPOSITS OF THE STOCKTON AND FAIRFIELD QUADRANGLES: U.S.G.S. PROF. PA. 173, 167P.

Reference (Deposit): BUTLER, B.S., ET. AL., 1920, THE ORE DEPOSITS OF UTAH: U.S.G.S. PROF. PA. 111, 672P.

Reference (Deposit): SPURR, J.E., 1895, ECONOMIC GEOLOGY OF THE MERCUR MINING DISTRICT, UTAH: U.S.G.S. 16TH. ANN. REPT., PT. 2, 454P.

Reference (Production): GILLULY, J., 1932, P. 140-141