Mine Index 10083056 Knight, Knight And Clark, Charles Crabb Mine

Mine Index Number: 10083056

ISGS ID:		MSHA ID:
MAS ID:	0171510008	MRDS ID:	W062556
Company Name:	Knight, Knight And Clark
Mine/Site Name:	Charles Crabb Mine
Active/Abandoned:	Abandoned
Start Date:	circa 1973	End Date:	Unknown
Commodity Type:	Non-Metallic
Commodity:	Fluorspar
Minerals Present:	Galena, Calcite, Fluorite, Sphalerite
Type of Mine:	Surface
District:	Fluorspar District	Subdistrict:	Empire Subdistrict
County:	Pope
Section/Township/Range:	27(NESWNE)-11S-7E
Latitude,Longitude:	37.50896,-88.4183699999998
Unit(s) Mined:	Aux Vases Sandstone, Ste. Genevieve Limestone, St. Louis Limestone, Bethel Sandstone, Upper Valmeyeran Series
Feature(s) Mined:	{{{Unit_feature}}}
MRDS Link:	https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10083056
Mindat link:

Deposit - THE DEPOSIT IS 225 FT LONG AND 7 TO 11 FT WIDE AT THE SURFACE. THIS IS A 'GRAVEL SPAR' DEPOSIT

CONSIDERABLE SPHALERITE WAS SEEN ON THE DUMP. GALENA IS A MINOR CONSTITUENT.

(Local) Weathering Of Limestone To Form A Gravel Spar Deposit.

Economic Information - SMALL PRODUCTION FROM THIS DEPOSIT . Overall depth 16.76M

Workings - THE VEIN STRIKES N 45 E AND DIPS SOUTH EAST.

Host rock - Bethel Sandstone and O’Hara Limestone

Controls on ore placement: Faulting

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.

BASTIN, E.S., 1931, THE FLUORSPAR DEPOSITS OF HARDIN AND POPE COUNTIES, ILLINOIS: ILLINOIS STATE GEOLOGICAL SURVEY BULLETIN 58, 116 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.