Mine detail: Ontario Mine

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Location:	Summit County, Utah, United States, North America
Lat / long:	40.62411, -111.498
dep_id:	10087989
mrds_id:	D012036
Commodity type:	metallic
Major mineral:	Silver, Lead, Zinc
Minor mineral:	Copper, Gold
Operation type:	Unknown
Production size:	Large ammount of material produced
Development status:	Past Producer
gangue:	Calcite, Dolomite, Epidote, Garnet, Hematite, Limonite, Magnetite, Pyrite, Pyrrhotite, Quartz, Rhodonite, Serpentine
orebody_fm:	TABULAR
work_type:	Surface
ore_ctrl:	East - West Trending Fissure System
Reporter:	Tripp, Bryce T.
hrock_unit:	Doughnut And Humbug;Deseret Limestone
hrock_type:	Limestone
Structure:	Uinta Arch, Park City Anticline
tectonic:	Central Wasatch Range
Year first produced:	1873
disc_yr:	1872
discr:	Rector Steen
References:	Deposit:: BOUTWELL, J.M., 1912, GEOLOGY AND ORE DEPOSITS OF THE PARK CITY DISTRICT, UTAH: USGS PROF. PA. 77, 230 P. Deposit:: ERICKSON, A.J., JR. (ED.), 1968, GUIDEBOOK TO THE GEOLOGY OF UTAH - PARK CITY DISTRICT, UTAH: UTAH GEOLOGICAL SOCIETY GUIDEBOOK NO. 22, 100 P. Deposit:: PERRY, L.I., AND MC CARTHY, B.M., 1977, LEAD AND ZINC IN UTAH: UGMS OFR-22. Deposit:: BROMFIELD, C.S. AND OTHERS, 1970, GEOLOGIC MAP OF THE HEBER QUADRANGLE, WASATCH AND SUMMIT COUNTIES, UTAH: USGS MAP GQ - 864. Deposit:: BARNES, M.P. AND J.G. SIMOS, 1968, ORE DEPOSITS OF THE PARK CITY DISTRICT WITH A CONTRIBUTION ON THE MAYFLOWER LODE: ORE DEPOSITS OF THE UNITED STATES, 1933 - 1967 (GRATON - SALES): AIME, VOL. 2, CH. 53, P. 1103-1126, NEW YORK. Production:: ERICKSON, A.J., 1968, P. 2.