Mine Index 10069404 H. C. B. Mining Company, Red Knight Fluorspar Mine,Roberts Mine,Redd Mine

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	S-T-R	27-11S-7E
	County:	Pope
	Quadrangle:	Herod
	District:	Fluorspar District
	Subdistrict:	Empire Subdistrict

Mine Index Number: 10069404

ISGS ID:	9300	MSHA ID:
MAS ID:		MRDS ID:	W006919
Company Name:	H. C. B. Mining Company
Mine/Site Name:	Roberts Mine, Red Knight Fluorspar Mine, Redd Mine
Active/Abandoned:	Abandoned
Start Date:	Unknown	End Date:	Unknown
Commodity Type:	Metallic, Non-Metallic
Commodity:	Fluorspar, Lead, Zinc
Minerals Present:
Type of Mine:
District:	Fluorspar District	Subdistrict:	Empire Subdistrict
County:	Pope
Section/Township/Range:	27-11S-7E
Latitude,Longitude:	37.52646,-88.4253199999999
Unit(s) Mined:	Chesterian Series, Glen Dean Limestone, Renault Limestone
Feature(s) Mined:	Empire_Fault
MRDS Link:	https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10069404
Mindat link:

Discussion

AVERAGE VEIN WIDTH IS 135 CM., DEPTH OF OLD SHAFT IS 36.5 M. (WELLER 1952)

Host and associated Rocks

Host or associated	Associated
Rock type	Plutonic Rock > Mafic Intrusive Rock
Rock unit name	Mafic Dikes And Breccias
Rock description	Mafic Dikes And Breccias
Stratigraphic age (youngest)	Early Permian
Stratigraphic age (youngest)	Early Permian
Stratigraphic age (youngest)	Mississippian
Stratigraphic age (youngest)	Mississippian
Host or associated	Host
Rock type	Sedimentary Rock > Carbonate > Limestone
Rock unit name	Limestones
Rock description	Limestones

Ore body information

General form	LINEAR
Strike	N 55 DEG E
Dip	80 DEG SE

Controls for ore emplacement

Empire Fault - Trends Ne, Dips Steeply Se Downthrown On The Southeast Side About 5 M.

References

BAXTER, J.W., DESBOROUGH, G.A. AND SHAW, C.W., 1967, AREAL GEOLOGY OF THE ILLINOIS FLUORSPAR DISTRICT PART 3: ILL. STATE GEOLOGICAL SURVEY CIRC. 413, 41 P.

WELLER, J.M., GROGAN, R.M. AND TIPPIE, F.E., 1952, GEOLOGY OF THE FLUORSPAR DEPOSITS OF ILLINOIS: ILL. STATE GEOLOGICAL SURVEY BULL. 76, 147 P.

1942 GEOLMAP ILL. STATE GEOLOGICAL SURVEY

1961 GEOLMAP ILL. STATE GEOLOGICAL SURVEY

MC GINNIS, L.D. AND BRADBURY, J.C., 1964, AEROMAGNETIC STUDY OF THE HARDIN COUNTY AREA, ILLINOIS: ILL. STATE GEOLOGICAL SURVEY CIRC. 363, 12 P.

1964 GEOPHYS ILL. STATE GEOLOGICAL SURVEY; AEROMAG. SURVEY

External Links

Mineral Resources Data System (MRDS) USGS Link
https://mrdata.usgs.gov/mrds/show-mrds.php?dep_id=10069404https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10069404