Description
Bear Creek Mining Co.
Commodities
PrimarySilver, Copper, Lead
SecondaryZinc, Gold
TertiaryBarium-Barite, Bismuth, Antimony
Commodity typeB
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlTrixie Fissure Zone
Materials
Ore mineralsAnglesite, Bornite, Chalcocite, Chalcopyrite, Covellite, Enargite, Galena, Gold, Hematite, Hemimorphite, Malachite, Plumbojarosite, Polybasite, Proustite, Pyrite, Sphalerite, Stromeyerite
GangueBarite, Chalcedony, Chlorite, Kaolinite, Sericite
Geology
Host rockQuartzite,Limestone · Teutonic Limestone;Ophir Formation
Associated rockMonzonite · Hornblende-Augite-Biotite Monzonite Porphyry Plugs;Latite Ridge Latite
StructureEast Tintic Anticline; Eureka Standard Fault; Sioux Ajax Fault; Trixie Fault (Strike N 80 E, Dip 85 N-Nw); Apex Standard Fault; Eureka Lily Fault; Fractures (Strike N 10-20 E, Dip 50-70 W); Trixie Fissure Zone (Strike N 5-40 E, Dip 70-85 W).
Economic & production
Development statusProducer
First production1969
Discovery year1969
Identification
Deposit ID10020461
MRDS IDDC13289
RegionNA
Data scoreB
Coordinates39.93162, -112.06718
References
COOK,K.L., 1947, A GRAVIMETRIC SURVEY IN THE EAST TINTIC MINING DISTRICT: USGS OPEN-FILE REPORT.MORRIS,H.T., AND OTHERS, 1956, U.S.G.S. EXPLORATION PROGRAM IN THE TRIXIE AREA: USGS OPEN-FILE REPORT, JUNE 20.MORRIS,H.T. & LOVERING,T.S., 1979, GENERAL GEOLOGY AND MINES OF THE EAST TINTIC MINING DISTRICT: USGS PROF. PAPER 1024, P. 182-189.1947 GEOPHYS COOK,KL, USGS OPEN FILE REPORT1956 GEOCHEM MORRIS,HT, AND OTHERS, USGS OPEN-FILE REPORT1979 GEOLMAP MORRIS,HT & LOVERING,TS, USGS PP 1024MORRIS & LOVERING, 1979, P. 184.