Commodities
PrimaryFluorine-Fluorite, Zinc, Lead
Commodity typeB
Deposit
Deposit sizeY
WorkingsSurface/Underground
Orebody formLINEAR
Ore controlBig Four Fault System. 14 Faults Trending Ne. The Big Four Fault #1 Contains Most Of The Deposits And Strikes N 50 Deg E, Dips 70 - 90 Deg Se, Downthrown Side Se. Displacement In The System Ranges From A Few Meters To 300 M. Vertically.
Materials
Ore mineralsAnglesite, Galena, Pyromorphite, Smithsonite, Sphalerite
GangueCalcite, Marcasite, Quartz
Geology
Host rockSandstone,Limestone · Chester And Valmeyeran Series L.S., Shale, S.S
StructureNew Madrid Fault Zone, 38th Parallel Lineament., Commodore Fault Bounds Big Four System On Ne End; Crystal - Holly Fault System Is On The Nw.
AlterationSilicification Of Wallrock
Economic & production
Development statusPast Producer
First production1874
Identification
Deposit ID10069397
MRDS IDW006912
Alternate namesLarue Fault System
RegionNA
Data scoreB
Coordinates37.35007, -88.20003
References
HARDIN, G.C., JR., AND TRACE, R.D., 1959, GEOLOGY AND FLUORSPAR DEPOSITS, BIG FOUR FAULT SYSTEM, CRITTENDEN CO., KY.: USGS BULL. 1042STRACE, R.D., 1974, ILLINOIS-KENTUCKY FLUORSPAR DISTRICT, IN - A SYMPOSIUM ON THE GEOLOGY OF FLUORSPAR: KENTUCKY GEOLOGICAL SURVEY SPECIAL PUB. 22 P. 58 - 761944 GEOLMAP HARDIN, G.C., JR. ET ALTRACE, R.D., 1962, GEOLOGY OF THE SALEM QUADRANGLE, KENTUCKY: USGS GEOL. QUAD MAP GQ-2061962 GEOLMAP TRACE, R.D.HARDIN, G.C., JR., AND TRACE, R.D., 1959, USGS BULL. 1042S.