Mine detail: Balmount Shaft

Previously called 'Silver Hill ShaftSilver King Coalition GroupUnited Park City Mines'

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Location

Lat / long:

40.61716, -111.53467

Resource(M)

Primary:	Zinc, Lead, Silver
Secondary:	Gold, Copper
Ore:	Chalcopyrite, Galena, Sphalerite
Gangue:	Calcite, Quartz
Orebody form:	TABULAR, TABULAR
Other material:	Pyrite
Discovery year:	1925

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1907
Last production ended:	1952

Geology

Host rock:	Thaynes Formation;Ankareh Formation
Host type:	Shale,Limestone
Associated rock:	Crescent Dike
Associated type:	Diorite
Structure:	Uinta-Cottonwood Arch, Sevier Overthrust Belt, Iron Hollow Syncline, Northeast Striking Crescent Fault Zone
Tectonic:	Basin And Range-Colorado Plateau Transition Zone, Cordilleran Hinge Line
Alteration processes:	Oxidation, Silicification

References

MRDS	D012017
DEP	10014912
Reference	{Deposit:: BOUTWELL, J.M., 1912, GEOLOGY AND ORE DEPOSITS OF THE PARK CITY DISTRICT, UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 77, 231 PP.}{Deposit:: ERIKSON, A.J., (EDITOR), 1968, PARK CITY DISTRICT, UTAH: GUIDEBOOK TO THE GEOLOGY OF UTAH, NO. 22, UTAH GEOLOGICAL SOCIETY.}{Deposit:: BUTLER, B.S., LOUGHLIN, G.F., HEIKES, V.C., AND OTHERS, 1920, THE ORE DEPOSITS OF UTAH: U.S. GEOLOGICAL SURVEY PROF. PAPER, NO. 111, 672 PP.}{Deposit:: BARNES, M.P., AND SIMOS, J.S., 1968, ORE DEPOSITS OF THE PARK CITY DISTRICT WITH A CONTRIBUTION ON THE MAYFLOWER LODE, IN ORE DEPOSITS OF THE UNITED STATES: AM. INST. METALL. ENG., V. II, P. 1102}{Deposit:: BAKER, A.A., CALKINS, F.C., CRITTENDEN, M.D., JR., AND BROMFIELD, C.S., 1966, GEOLOGIC MAP OF THE BRIGHTON QUADRANGLE, UTAH: U.S. GEOLOGICAL SURVEY GEOL. QUAD. MAP GQ-534.}{Production:: BARNES AND SIMOS, 1968}
Reporter	Shubat, Michael A.