Mine detail: Preen Mine

Location:	Hardin County, Illinois, United States, North America
Lat / long:	37.46535, -88.37004
dep_id:	10083019
mrds_id:	W062506
Commodity type:	nonmetallic
Major mineral:	Fluorine-Fluorite
Operation type:	Unknown
Production size:	Production occurred
Development status:	Past Producer
ore:	Fluorite
gangue:	Calcite
work_type:	Surface/Underground
model:	174: Fluorspar deposits (fluorite veins)
Reporter:	Mason Jr., G.T., Sutphin, David M.
hrock_type:	Limestone
tectonic:	Tectonic Setting: Gentle Regional Structural Slope Northward Into Illinois Basin Is Broken By The Tw0-Mile-Wide Rock Creek Graben.
References:	Deposit:: 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. Deposit:: BASTIN, E.S., 1931, THE FLUORSPAR DEPOSITS OF HARDIN AND POPE COUNTIES, ILLINOIS: ILLINOIS STATE GEOLOGICAL SURVEY BULLETIN 58, 116 P. Deposit:: 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. Production:: WELLER AND OTHERS, 1952, P.