Black Jack

The Black Jack is a silver 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

Name: Black Jack  

State:  Utah

County:  Juab

Elevation: 6,965 Feet (2,123 Meters)

Commodity: Silver

Lat, Long: 39.92556, -112.11250

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.


Satelite image of the Black Jack

Black Jack MRDS details

Site Name

Primary: Black Jack
Secondary: Empire


Commodity

Primary: Silver
Secondary: Gold
Secondary: Iron
Secondary: Manganese


Location

State: Utah
County: Juab
District: Tintic District


Land Status

Not available


Holdings

Not available


Workings

Type: Surface/Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Contact Metasomatic
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Not available


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: L
Description: Cross Fissures (N 45 - 70 E, 70 W To 90 )


Alterations

Alteration Type: L
Alteration Text: The Limestone Is Metamorphosed


Rocks

Name: Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene


Analytical Data

Analytical Data: MANGANIFEROUS IRON ORE (USBM): 19.27 % MN, 17.8 % SILICA, 10.5 % FE, 17.5 % AL2O3, 0.15 % ZN, 0.136 % P.


Materials

Ore: Pyrolusite
Ore: Hematite
Ore: Gold
Ore: Limonite
Ore: Silver
Ore: Goethite
Gangue: Garnet
Gangue: Spinel
Gangue: Magnetite


Comments

Comment (Location): LOCATION IS OF THE SHAFT, THE TUNNEL IS AT ELEV. 6,742 FT SE OF THE SHAFT.

Comment (Commodity): THE MANGANIFEROUS IRON ORE WAS FOUND 500 FT SOUTH OF THE SHAFT AND NONE WAS FOUND IN THE SHAFT

Comment (Workings): A 1,400 FT SHAFT WITH LEVELS AT 200 , 300 , 1000 , 1300 , AND 1400 FT; A 2100 FT ADIT CONNECTS WITH THE SECOND LEVEL. TOTAL DEVELOPMENT IS ABOUT 23,770 FT. THE IRON WORKINGS ARE 400 AND 500 FT SOUTH OF THE SHAFT. THE FORMER IS A 120 X 50 X 50 FT OPEN CUT AND THE LATTER IS A 369 FT ADIT.

Comment (Geology): GEOL.DESC: THE IRON ORE IS SURROUNDED BY HALLOYSITE CLAY


References

Reference (Deposit): LINDGREN, W, AND LOUGHLIN, GF, 1919 , GEOL & ORE DEP OF TINTIC MINING DIST: USGS PROF PAPER 107 , P. 222

Reference (Deposit): COOK, DR, 1957 , GEOL OF E TINTIC MTNS AND ORE DEP OF THE TINTIC MINING DIST: UTAH GEOL SOC GUIDEBOOK # 12 , PL 3

Reference (Deposit): CRITTENDEN, MD JR, 1951 , MANGANESE DEP OF W. UTAH: USGS BULL 979 - A, P. 52

Reference (Deposit): BULLOCK,K.C., 1970, IRON DEPOSITS OF UTAH: UTAH GEOL. & MIN. SURV. BULL. 88, P. 66.

Reference (Deposit): 5) USBM MINERAL RESOURCE YEARBOOK 1931, PT. 1, P. 164.


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