Mine detail: Spiro Tunnel

Previously called 'Silver King Coalition Mine'

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Location

Lat / long:

40.65911, -111.51772

Resource(M)

Primary:	Lead, Silver, Zinc
Secondary:	Gold, Copper
Ore:	Anglesite, Bindheimite, Galena, Malachite, Pyrite, Sphalerite, Tetrahedrite
Gangue:	Calcite, Quartz
Orebody form:	TABULAR TO IRREGULAR
Discovery year:	1889

Production

Operation type:	Unknown
Production size:	Large
Development status:	Past Producer

Geology

Host rock:	Thaynes Formation;Woodside Shale;Park City Formation;Weber Quartzite
Host type:	Quartzite,Shale,Sandstone,Limestone
Structure:	Thrust Belt, Park City Anticline
Tectonic:	Uinta Uplift And Cottonwood Uplift

References

MRDS	D006400
DEP	10011488
Reference	{Deposit:: CRITTENDEN, M.D., ET.AL., 1966, GEOL. MAP OF THE PARK CITY WEST QUAD.: U.S.G.S. MAP GQ-535}{Deposit:: PERRY, L.I., 1976, LEAD AND ZINC IN UTAH: UTAH GEOL. AND MIN. SURVEY OFR-22.}{Deposit:: BOUTWELL, J.M., 1912, GEOL. AND ORE DEPOSITS OF THE PARK CITY DISTRICTS: U.S.G.S. PROF. PA. 77.}{Deposit:: ERICKSON, A.J., (ED.), 1968, PARK CITY DISTRICT: UTAH GEOL. SOCIETY GUIDEBOOK 22.}{Deposit:: 1966 GEOLMAP CRITTENDEN, CALKINS AND SHARP GQ53}{Production:: ERICKSON, A.J., (ED.), 1968, PARK CITY DISTRICT: UTAH GEOL. SOC. GUIDEBOOK 22.}
Reporter	Johnson, Elizabeth A.