Mine Index 10082964 Benzon Fluorspar Company/Crown Fluorspar Company, Cook Mine

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	S-T-R	12(NWSESE)-12S-7E
	County:	Hardin
	Quadrangle:	Shetlerville
	District:	Fluorspar District
	Subdistrict:

Mine Index Number: 10082964

ISGS ID:		MSHA ID:
MAS ID:	170690045	MRDS ID:	W062437
Company Name:	Benzon Fluorspar Company, Crown Fluorspar Company
Mine/Site Name:	Cook Mine
Active/Abandoned:	Abandoned
Start Date:	circa 1973	End Date:	Unknown
Commodity Type:	Non-Metallic
Commodity:	Fluorspar
Minerals Present:	Calcite, Fluorite
Type of Mine:	Prospect, Underground, Occurrence
District:	Fluorspar District	Subdistrict:
County:	Hardin
Section/Township/Range:	12(NWSESE)-12S-7E
Latitude,Longitude:	37.48451,-88.3814299999998
Unit(s) Mined:	Valmeyeran Series, Aux Vases Sandstone, Ste. Genevieve Limestone, St. Louis Sandstone
Feature(s) Mined:
MRDS Link:	https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10082964
Mindat link:

Discussion

NO GALENA OR SPHALERITE WERE REPORTED.

THE DEPOSIT TRENDS N 25 E.

SMALL GRAVEL SPAR PRODUCTION IN THE PAST.

Overall depth 21.34M

THE MINE IS ON THE CONTACT BETWEEN SANDSTONE AND LIMESTONE AND SHOWS CONSIDERABLE CALCITE AND SOME FLUORITE IN THE NORTH SIDE OF THE SHAFT.

GRAVEL SPAR WAS PRODUCED FROM THIS DEPOSIT. SOME PROSPECTING WAS DONE IN 1942.

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.

BAIN, H.F., 1905, THE FLUORSPAR DEPOSITS OF SOUTHERN ILLINOIS: U.S. GEOLOGICAL SURVEY BULLETIN 255, 75 P.

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. 142.

BAIN H FOSTER USGS BULL 255 1905 P 58

External Links

Mineral Resources Data System (MRDS) USGS Link
https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10082964 Also referenced as 10266221