Mine detail: Defender Mine

Previously called ''

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Location

Lat / long: 37.51118, -88.1992

Resource(N)

Primary: Fluorine-Fluorite
Ore: Fluorite
Gangue: Calcite, Quartz
Orebody form: BALNKET

Production

Operation type: Unknown
Production size: Yes
Development status: Past Producer
Last production ended: 1923

Geology

Host rock:Fredonia Limestone
Host type:Limestone
Associated rock:Rosiclare Sandstone
Associated type:Sandstone

References

MRDSW062447
DEP10106415
Reference{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.}
ReporterSutphin, David M., Mason Jr., G.T.