Mine detail: Ontario Mine

Previously called ''

<< Back to the map

Location

Lat / long:

40.62494, -111.48967

Resource(M)

Primary:	Lead, Zinc, Silver
Secondary:	Cadmium, Antimony, Copper
Ore:	Galena, Sphalerite
Gangue:	Calcite, Pyrite, Quartz
Orebody form:	IRREGULAR, ERRATIC POCKETS AND VEINS
Discovery year:	1868

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Producer
First production started:	1895

Geology

Host rock:	Humbug Formation Ls., Sandy Ls., Quartzite, Calc. Ss
Host type:	Quartzite,Sandstone,Limestone
Structure:	Park City Anticline - Ore On East And West Limbs, Ontario Fault - Vein, Hawkeye And Number Nine Faults

References

MRDS	W019006
DEP	10073159
Reference	{Deposit:: BARNES, M. P., SIMOS, J. G., 1968, ORE DEPOSITS OF THE PARK CITY DIST. WITH A CONTRIBUTION ON THE MAYFLOWER LODE; IN RIDGE, J. D. ED, ORE DEPOSITS OF U. S. 1933 - 1967, V. 2 P. 1102}{Deposit:: JAMES, A. H., 1973, LEAD AND ZINC RESOURCES IN UTAH; UTAH GEOL. AND MINERALOGICAL SURVEY, SPECIAL STUDIES 44, JULY 1973 P. 26 - 32}{Deposit:: WHITE, L., 1975, ONTARIO PROJECT KEEPS MINING ALIVE IN UTA * HISTORIC PARK CITY DISTRICT; ENGIN. AND MINING JOUR. 2 - 76 P. 67 - 72}{Deposit:: GRANT, S. K., 1966, METALLIZATION AND PARAGENESIS IN THE PARK CITY DIST., UTAH, PHD THESIS, 183 P.}{Deposit:: 1971 DIREXPL PARK CITY VENTURES - NEW ORE FOUN}{Production:: MINING RECORD 7-9-75. JAMES, A. H., 1973, PB - ZN IN UTAH P. 29}{Reserve-Resource:: E/MJ, FEB. 1976. P. 67}
Reporter	Schruben, Paul G.