Commodities
PrimaryFluorine-Fluorite
Commodity typeN
Deposit
Deposit sizeY
Orebody formBLANKET
Ore controlSelective Replacement Of Limestone Beds.
Geology
Tectonic settingGentle Regional Structural Slope Northward Into Illinois Basin Is Broken By The Tw0-Mile-Wide Rock Creek Graben.
Economic & production
Development statusPast Producer
First production1973
Last production1982
Discovery year1948
Identification
Deposit ID10106420
MRDS IDW062471
Alternate namesHill Mine, Hill Ledford Mine
RegionNA
Data scoreC
Coordinates37.52785, -88.16336
References
U.S. BUREAU OF MINES, 1995, SPATIAL DATA EXTRACTED FROM THE MINERALS AVAILABILITY SYSTEM/MINERAL INDUSTRY LOCATION SYSTEM (MAS/MILS): U.S. BUREAU OF MINES SPECIAL PUBLICATION 12-95.BAXTER, J.W., POTTER, E.P., AND DOYLE, F.L., 1963, AREAL GEOLOGY OF THE ILLINOIS FLUORSPAR DISTRICT, PART 1-- SALINE MINES, CAVE I ROCK, DEKOVEN, AND REPTON QUADRANGLES; ILLINOIS STATE GEOLOGICAL SURVEY CIRCULAR 342, 43 P.