Description
Bear Creek Mining Co.
Commodities
PrimaryLead, Zinc, Silver
SecondaryCadmium
TertiaryManganese
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeY
WorkingsUnderground
Orebody formTABULAR, IRREGULAR
Ore controlHighly Brecciated Limestone, Fault Controls.
Materials
Ore mineralsArgentite, Galena, Smithsonite, Sphalerite
GangueBarite, Hematite, Pyrite, Pyrolusite, Quartz, Rhodochrosite
Geology
Host rockLimestone · Ophir Formation Ls
StructureGreat Basin To The West, East Tintic Anticline, East Tintic Thrust Fault (Ore In Hanging Wall), Eureka Standard, Apex Standard Faults
Tectonic settingEast Tintic Mtns. (Fault Block)
Economic & production
Development statusProducer
First production1965
Discovery year1956
Identification
Deposit ID10073158
MRDS IDW019005
RegionNA
Data scoreB
Coordinates39.95023, -112.04523
References
SHEPARD, W. M. ET AL, 1968, GEOL. AND ORE DEPOSITS OF THE EAST TINTIC MINING DIST., UTAH; IN RIDGE, J. D. ED, ORE DEPOSITS OF U. S., 1933 - 1967, V. 1 P. 941 - 965JAMES, A. H., 1973, LEAD AND ZINC RESOURCES IN UTAH; UTAH GEOL. AND MINERALOGICAL SURVEY, SPECIAL STUDIES 44, JULY 1973, P. 32 - 38.SMIT, F. J., FOTH, H. C., 1970, THE 500 TPD CONCENTRATOR FOR MILLING THE COMPLEX OXIDIZED PB - ZN ORE AT TINTIC DIV.; IN RAUSCH & MARIACHER, EDS, AIME SYMP. ON PB - ZN, V. 1 P. 751 - 7691943 GEOLMAP USGS - 1943 - 1956 - DISCOVER THRUST FAULT1956 DIREXPL BEAR CREEK MINING CO. - ORE FOUNDJAMES, A. H., LEAD AND ZINC IN UTAH P. 35. E/MJ INTL. DIR. 19761961, MINING CONG. JOUR. V. 47 NO. 4 P. 108. BUSH, J. B., 1960, CHIEF OXIDE - BURGIN, ECON GEOL V. 55 P. 1116