Mine detail: Cave In Rock Quadrangle Mine

Previously called 'And Other Lesser Deposits: Fluorspar Products Lead Hill Group,Hill-Ledford, Deardorf, Oxford,Green and Davis Group All Owned By Ozark - MahoningMinerva No. 1, Victory, Crystal Mines Minerva Oil. Co.Grischy Mines, Austin Mines, Tems Prospect,Oxford - Morrison Open Pit, Frayser Mines, Patton Shaft,Martin Prospect, Eureka Prospect, Hill Property, Winn Property,Underwood Property, Frailey Workings, Patrick Mine, Palmer Mine,And Tower Rock Workings.'

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Location

Lat / long:

37.51674, -88.20003

Resource(B)

Primary:	Zinc, Fluorine-Fluorite, Lead
Secondary:	Silver, Cadmium, Germanium
Tertiary:	Gallium, Barium-Barite, Calcium, Quartz, Iron
Ore:	Fluorite, Sphalerite
Gangue:	Anglesite, Barite, Calcite, Chalcopyrite, Pyrite, Quartz, Smithsonite, Strontianite
Orebody form:	TABULAR. TWO BASIC TYPES

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Producer
First production started:	1919

Geology

Host rock:	Downe * Bluff Formation Limestone;Renault Formation (Levias Member) Limestone;Ste. Genevieve Formation Limestone, Spar Mountain S.S. Member
Host type:	Limestone
Associated rock:	Mafic Dikes And Breccias
Associated type:	Mafic Intrusive Rock
Structure:	New Madrio Fault Zone, 38th Parallel Lineament, Peters Creek Fault Zone, Sag Synclines In Beds Directly Overlying Ore Due To Solution Of L.S.
Alteration processes:	Decalcification (Solution Removal) Of Wall Rock

References

MRDS	W006924
DEP	10069407
Reference	{Deposit:: BAXTER, J. W., POTTER, P. E., DOYLE, F. L., 1963, AREAL GEOLOGY OF THE ILLINOIS FLUORSPAR DISTRICT, PT. 1: ILL.STATE GEOLOGICAL SURVEY CIRC. 342, 43 P.}{Deposit:: GROGAN, R. M., BRADBURY, J. C., 1968, FLUORITE - ZINC - LEAD DEPOSITS OF THE ILLINOIS - KENTUCKY MINING DISTRICT: IN RIDGE,J. D. ED., ORE DEPOSITS OF THE U.S. 1933 - 1967, AIME, P. 370 - 399}{Deposit:: TRACE, R. W., 1974, ILLINOIS - KENTUCKY FLUORSPAR DISTRICT: IN SYMPOSIUM ON THE GEOLOGY OF FLUORSPAR, KENTUCKY GEOLOGICAL SURVEY SPECIAL PUB 22 P. 58 - 76}{Deposit:: WELLER, J. M., GROGAN, R. M. AND TIPPIE, F. E., 1952, GEOLOGY OF THE FLUORSPAR DEPOSITS OF ILLINOIS: ILL. STATE GEOLOGICAL SURVEY BULL. 76}{Deposit:: BISHOP, O.M., AND SWANSON, A.S., 1948, CORE DRILLING AT THE VICTORY FLUORSPAR MINE, HARDIN COUNTY, ILLINOIS: U.S. BUREAU OF MINES REPORT OF INVESTIGATION 4324.}{Deposit:: MC GINNIS, L.D. AND BRADBURY, J.C., 1964, AEROMAGNETIC STUDY OF THE HARDIN COUNTY AREA,ILLINOIS: ILLINOIS STATE GEOLOGICAL SURVEY CIRCULAR 363, 12 P.}{Deposit:: 1942 GEOLMAP ILL. STATE GEOLOGICAL SURVEY, J. M. WELLER}{Deposit:: 1943 DIREXPL U.S. BU MINES (VICTORY MINE)}{Deposit:: 1958 GEOLMAP ILL. STATE GEOLOGICAL SURVEY; BAXTERET. AL.}{Deposit:: 1964 GEOPHYS ILL. STATE GEOLOGICAL SURVEY; AEROMAG. SURVEY}{Production:: WELLER, J. M., 1952, GEOL. OF FLUORSPAR DEP. OF ILLINOIS.}
Reporter	Schruben, Paul G.