The Blackjack Prospect is a silver and gold mine located in Juab county, Utah at an elevation of 6,965 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: 6,965 Feet (2,123 Meters)
Commodity: Silver, Gold
Lat, Long: 39.92611, -112.11250
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.
Blackjack Prospect MRDS details
Site Name
Primary: Blackjack Prospect
Secondary: Empire Mines Co. Includes Boston Tintic District Group
Commodity
Primary: Silver
Primary: Gold
Secondary: Lead
Secondary: Copper
Location
State: Utah
County: Juab
District: Tintic District District District
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Anaconda Minerals Co. (Division Of Atlantic Richfield)
Owner Name: Empire Mines Co.
Home Office: Provo, Ut
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1885
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Form: GOSSAN
Form: GOSSAN
Structure
Type: R
Description: Ne Fissures
Alterations
Alteration Type: L
Alteration Text: Contact Metamorphism
Rocks
Name: Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cambrian
Name: Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene
Analytical Data
Not available
Materials
Gangue: Quartz
Comments
Comment (Deposit): Discovery Year: 1880S
Comment (Deposit): NO SIGNIFICANT ORE FOUND, GOSSAN REPORTEDLY DISAPPEARS AT 200 LEVEL WHICH CUTS IT.
Comment (Deposit): STRONG FISSURES S SW FOR 700 FEET ON 1400 LEVEL. FAILD TO YIELD SUBSTANTIAL ORE.
Comment (Workings): TWO COMPARTMENT SHAFT WITH LEVELS AT 200, 300, 1400, 1600 FEET. FILLED BY ANACONDA 1979.
Comment (Location): GULCH SOUTHEAST OF MAMMOTH TOWNSITE
Comment (Development): BOSTON TINTIC DISTRICT INCLINE NEARBY IS 240 FEET DEEP ON LIMESTONE-PORPHYRY CONTACT
Comment (Geology): STOCK HAS ANASTAMOSING INTRUSIVE CONTACT AND DEFINITE AUREOLE HERE
References
Reference (Deposit): MORRIS, H.T., AND LOVERING, T.S., 1979, GENERAL GEOLOGY AND MINES OF THE EAST TINTIC DISTRICT MINING DISTRICT, UTAH AND JUAB COUNTIES, UTAH: U.S GEOLOGICAL SURVEY PROFESSIONAL PAPER 1024, 194 PP.
Reference (Deposit): COOK, D.R., EDITOR, 1957, GEOLOGY OF THE EAST TINTIC DISTRICT MOUNTAINS AND ORE DEPOSITS OF THE TINTIC DISTRICT MINING DISTRICTS: UTAH GEOL. SOC. GUIDEBOOK, NO 12, 183 P.
Reference (Deposit): MIRRIS, 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 DISTRICT MINING DISTRICT, UTAH: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 107, 276 PP.
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