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Illinois-Kentucky Fluorspar District, Illinois/Kentucky, USA

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Location is approximate, based on center of defined region.
Latitude & Longitude (WGS84): 37° North , 88° West (est.)
Museums in region:

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Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.

Mineral List

Mineral list contains entries from the region specified including sub-localities

58 valid minerals. 1 (TL) - type locality of valid minerals.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

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Alphabetical List Tree Diagram

Localities in this Region


This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


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Northwood, J.G., and Worthen, A.H. (1866) Geological survey of Southern Illinois. Illinois Geological Survey, volume 1: 504 p
Bain, H. F. (1905) The fluorspar deposits of southern Illinois. United States Geological Survey, Washington Government Printing Office, Bulletin 255: 98.
Pogue, J.E. (1918) Optical fluorite in southern Illinois. State of Illinois Department of Registration and Education, State Geological Survey Division, University of Illinois, Urbana, extract from Bulletin No. 38: 8.
Weller, S., Butts, C., Currier, L.W., Salisbury, R.D. (1920) The geology of Hardin County and the adjoining part of Pope County. Illinois Geological Survey, Bulletin 76: 147.
Bastin, E.S. (1931) The fluorspar deposits of Hardin and Pope Counties, Illinois. Illinois Geological Survey, Bulletin 58: 116.
Currier, L.W. (1937) Geologic factors in the interpretation of fluorspar reserves in the Illinois-Kentucky field. United States Geological Survey, Bulletin 866-B: 10
Currier, L.W. (1937) Origin of the bedding replacement deposits of fluorspar in the Illinois field: Economic Geology: 32 (3): 364-386.
Hatmaker, P., and Davis, H.W. (1938) The fluorspar industry of the United States with special reference to the Illinois-Kentucky District. Illinois State Geological Survey, Bulletin 59: 128.
Currier, L.W. and Wagner, O.E. (1944) Geology of the Cave in Rock District. United States Geological Survey, Bulletin 942: 71.
Weller, J.M., Grogan, R.M., and Tippie, F.E. (1952) Geology of the fluorspar deposits of Illinois. Illinois State Geological Survey, Bulletin 76: 147.
Baxter, J.W., Potter, P.E., and Doyle, F.L. (1958) Surficial Geology of the Illinois part of the Saline Mines, Cave in Rock, Dekovan and Repton Quadrangles, Illinois State Geological Survey, scale 1:24000.
Bailie, H., Powell, E., Melcher, W., and Myslinski, F.J. (1960) Fluorspar mining methods and costs, Ozark-Mahoning Co., Hardin County, Illinois. Bureau of Mines Information Circular, IC 7984: 33.
Finger, G.C., Risser, H.E., and Bradbury, J.C. (1960) Illinois fluorspar. Illinois Geological Survey, Circular 296: 36.
Heyl, A.D., and Brook, M.R. (1961) Structural framework of the Illinois-Kentucky mining district and its relation to mineral deposits. U.S. Geological Survey Professional Paper, 424-D: D3-D6.
Brecke, E.A. (1962) Ore genesis of the Cave-in-Rock Fluorspar District, Hardin County, Illinois. Economic Geology: 57(4): 499-535.
Baxter, J., Potter, P., Doyle, F. (1963) Areal geology of the Illinois Fluorspar District. Illinois State Geological Survey, Circular 342: 43.
Hall, W.E., and Friedman, I. (1963) Composition of fluid inclusions, Cave-in-Rock Fluorite District, Illinois and Upper Mississippi Valley zinc-lead District. Economic Geology: 58: 886-911.
Bradbury, J.C, Finger, G.C., and Major, R.L. (1968) Fluorspar in Illinois. Illinois State Geological Survey, Circular 420: 64.
White, J.S. and Jarosewich, E. (1970) Second occurrence of benstonite. The Mineralogical Record: 1 (4) : 140-141
Heyl, A.D. (1974) Some fluorite-barite deposits in the Mississippi Valley in relation to major structures and zonation. Kentucky Geological Survey Series, 10: 55
Rossman, G. R. and Squires, R. L. (1974) The occurrence of alstonite at Cave in Rock, Illinois. Mineralogical Record: 5(6): 266-269.
Trace, R.D. (1974) Illinois-Kentucky Fluorspar District. Kentucky Geological Survey Special Publication, 22.
Pinckney, D. (1976) Mineral resources of the Illinois-Kentucky Mining District: United States Geological Survey, Geological Survey Professional Paper 970: 15.
Roedder, E. H. (1976) Fluid inclusion evidence in the genesis of ores in sedimentary and volcanic rocks. Handbook of stratibound and stratiform ore deposits, volume 2: 44.
Francis, C.A. (1982) Fluorite and associate minerals from southern Illinois. Rocks and Minerals: 57: 63-71.
Reinertsen, D.L. (1982) A guide to the geology of the Cave in Rock -- Rosiclare area, Hardin County. Illinois State Geological Survery, Field Trip Guidebook 1982D: 36.
Lillie, R.C. (1988) Minerals of the Harris Creek Fluorspar District, Hardin County, Illinois. Rocks and Minerals: 63(3): 210-226.
Reinertsen, D.L. (1992) Guide to the geology of the Cave in Rock and Rosiclare area, Hardin County. Illinois State Geological Survery, Field Trip Guidebook 1992A: 80.
U.S. Bureau of Mines (1995) Spatial data extracted from the minerals availability system/Mineral industry locator system (MAS/MILS). U.S. Bureau of Mines Special Publication 12-95.
Goldstein, A. (1997) The Illinois-Kentucky Fluorspar District. The Mineralogical Record: 28(1): 3-49.
Myers, A.M. and Chenoweth, C. (2009) Directory of coal mines in Illinois 7.5-minute quadrangle series, Saline Mines Quadrangle, Gallatin and Hardin Counties. Illinois State Geological Survey: 28.
Pelch, M.A. (2011) Composition of fluid inclusions from the cave-in-rock bedded-replacement fluorite deposits in the Illinois-Kentucky district. Master’s thesis, University of Missouri-Columbia, Columbia, Missouri: 60 p.
Denny, F.B., Devera, J.A., Kittler, A. (2013) Bedrock geology of the Saline Mines quadrangle, Gallatin and Hardin Counties, Illinois. Illinois State Geological Survey, 12 p.
Fisher, J., Lillie, R., and Rakovan, J. (2013) Fluorite in Mississippi Valley-type deposits: Rocks & Minerals: 88(1): p. 20-49.
Denny, F.B, and Seid, M.J. (2014) Bedrock geology of Hardin County, Illinois. Illinois State Geological Survey, scale 1:48000: 2 sheets.
Goldstein, A. (2016) The Illinois Fluorite District. Dallas Mineral Collecting Symposium, August 20, 2016.

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