Mine Index 10083070 Crown Fluorspar Corporation, Lost 40 Mines

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	S-T-R	3(NENESE)-12S-6E
	County:	Pope
	Quadrangle:	Eddyville
	District:	Fluorspar District
	Subdistrict:	Lusk Creek Subdistrict

Mine Index Number: 10083070

ISGS ID:		MSHA ID:
MAS ID:	171510018	MRDS ID:	W062574
Company Name:	Crown Fluorspar Corporation
Mine/Site Name:	Lost 40 Mines
Active/Abandoned:	Abandoned
Start Date:	circa 1973	End Date:	Unknown
Commodity Type:	Non-Metallic
Commodity:	Fluorspar
Minerals Present:	Galena, Fluorite, Quartz, Sphalerite
Type of Mine:	Surface, Underground
District:	Fluorspar District	Subdistrict:	Lusk Creek Subdistrict
County:	Pope
Section/Township/Range:	3(NENESE)-12S-6E
Latitude,Longitude:	37.5031299999998,-88.5258699999998
Unit(s) Mined:	Abbott Formation
Feature(s) Mined:	Lusk_Creek_Fault_Zone
MRDS Link:	https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10083070
Mindat link:

Discussion

MINOR GALENA AND SPHALERITE WERE REPORTED; HOWEVER, SOME TEST PITS SHOW ABUNDANT GALENA.

Mineral occurrence model information
Model code	174
USGS model code	26b
Deposit model name	Fluorspar deposits (fluorite veins)

Faulting present.

THE VEIN TRENDS N 20 E AND DIPS 38-73 SE. THE ORE IS SILICEOUS. THE VEIN AVERAGES 5 FT IN WIDTH.

Overall depth 39.62M

COMMERCIAL PRODUCTION

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.

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 P.

WELLER AND OTHERS, 1952, P. 140.

WELLER J MET AL ILL STATE GEOL SUR BULL 76 P 132 140

External Links

Mineral Resources Data System (MRDS) USGS Link
https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10083070 Also referenced as 10217671