Copper Jack Mine

The Copper Jack Mine is a copper mine located in Tooele county, Utah at an elevation of 6,155 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

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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.

Site Name

Primary: Copper Jack Mine
Secondary: Copper Jack Group

Commodity

Primary: Copper
Secondary: Silver
Secondary: Fluorine-Fluorite
Secondary: Uranium
Secondary: Manganese

Location

State: Utah
County: Tooele
District: Columbia District

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Owner Name: John Gary Ekker, Jr.

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1908
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Form: TABULAR, LENTICULAR

Form: TABULAR, LENTICULAR

Structure

Type: R
Description: Basin And Range

Type: L
Description: South Flank Fault Of Sheeprock Mountains Striking Approx. N45w.

Alterations

Not available

Rocks

Name: Granite
Role: Host
Age Type: Host Rock
Age Young: Miocene

Analytical Data

Analytical Data: ONE 100 FT SECTION AVERAGES 7 TO 8%, INCLUDING SOME 20 TO 30% ORE. SILVER VALUES RANGE FROM 1 TO 7 OZ. PER TON
Analytical Data: THE PRINCIPAL VEIN IS APPROX. 3 FT. IN WIDTH, AVERAGING 6% CU

Materials

Ore: Fluorite
Ore: Chrysocolla
Ore: Chalcopyrite
Ore: Pyrite
Ore: Uraninite
Ore: Malachite
Ore: Turquoise
Gangue: Quartz
Gangue: Specularite

Comments

Comment (Deposit): THE COPPER JACK VEIN IS ONE OF FOUR VEINS THAT STRIKE ACROSS THE FLYING DUTCHMAN AND COPPER JACK PROPERTIES. TWO NEARLY ADJACENT MINES, DEVELOPED TOGETHER ON A 10-CLAIM PATENTED BLOCK OF LAND ORIGINALLY HELD BY COPPER JACK MINING AND MILLING COMPANY

Comment (Workings): THE PRINCIPAL WORKING IS A 140 FT. DEEP, VERTICAL SHAFT. ANOTHER VERTICAL SHAFT IS APPROX. 1200 TO 1300 FT. NORTHWEST OF THE COPPER JACK SHAFT, NEARLY ON THE EAST BANK OF THE STREAM BED IN SHEEPROCK CANYON. A 38 FT. DEEP, 66 DEGREE INCLINED SHAFT IS APPROX. 500 FT EAST OF THIS SHAFT

Comment (Geology): URANINITE HAS NOT BEEN POSITIVELY IDENTIFIED, BUT IS BELIEVED TO OCCUR IN DARK PURPLE, RADIOACTIVE FLUORITE PRESENT IN THE VEINS

Comment (Deposit): ACCORDING TO COHENOUR (1959, P. 117; 1963, P. 12), RADIOACTIVITY INDICATING AN ESTIMATED U3O8 CONTENT EXCEEDING 0.15%, IS PRESENT IN SOME FLUORITE-RICH SAMPLES FROM VEINS NEAR THE COPPER JACK SHAFT ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Comment (Production): SMALL AMOUNT OF PRODUCTION, RECORDED WITH OTHER PROPERTIES

References

Reference (Deposit): HARRIS, DEVERLE, 1958, THE GEOLOGY OF THE DUTCH PEAK AREA, SHEEPROCK RANGE, TOOELE COUNTY, UTAH: UNPUBL. M.S. THESIS, BRIGHAM YOUNG UNIV., PROVO, UTAH; REF. 5 LOUGHLIN, G.F., 1920, IN BUTLER, B.S., AND OTHERS, ORE DEPOSITS OF UTAH: USGS PROF. PAPER III, P. 428-429; REF. 6 USGS, 1929, MINERAL RESOURCES OF THE U.S., P. 632; REF. 7 USGS, 1930, MINERAL RESOURCES OF THE U.S., P. 606

Reference (Production): USGS, 1929, MIN. RES. OF U.S., P. 632

Reference (Deposit): BUREAU OF LAND MANAGEMENT, 1982, MINERAL SURVEY NO. 5948, UTAH STATE OFFICE, SALT LAKE CITY, UTAH

Reference (Deposit): COHENOUR, R.E., 1963, BERYLLIUM AND ASSOC. MINERALIZATION IN THE SHEEPROCK MOUNTAINS, TOOELE AND JUAB COS., IN BOWYER, BEN, AND OTHERS, BERYLLIUM AND URANIUM MINERALIZATION IN WESTERN JUAB COUNTY, UTAH: GUIDEBOOK TO THE GEOLOGY OF UTAH, NO. 17, UTAH GEOLOGICAL SOCIETY, SALT LAKE CITY, UTAH

Reference (Deposit): COHENOUR, R.E., 1959, SHEEPROCK MOUNTAINS, TOOELE AND JUAB COS.: UGMS BULL. 63, P. 117

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