Mine Index 10082959 Kentucky Fluorspar Company, Blue Diggings-Mine and Fault

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	S-T-R	5(NWNWN2)-13S-8E
	County:	Hardin
	Quadrangle:	Rosiclare
	District:	Fluorspar District
	Subdistrict:	Rosiclare Subdistrict

Mine Index Number: 10082959

ISGS ID:		MSHA ID:
MAS ID:	170690002	MRDS ID:	W062431
Company Name:	Kentucky Fluorspar Company
Mine/Site Name:	Blue Diggings-Mine and Fault
Active/Abandoned:	Abandoned
Start Date:	circa 1972	End Date:	Unknown
Commodity Type:	Metallic, Non-Metallic
Commodity:	Fluorspar, Lead, Zinc
Minerals Present:	Galena, Fluorite, Sphalerite
Type of Mine:	Underground
District:	Fluorspar District	Subdistrict:	Rosiclare Subdistrict
County:	Hardin
Section/Township/Range:	5(NWNWN2)-13S-8E
Latitude,Longitude:	37.42618,-88.3528199999998
Unit(s) Mined:	Glen Dean Limestone, Renault Limestone, Lower Chesterian Series
Feature(s) Mined:
MRDS Link:	https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10082959
Mindat link:

Discussion

RECORD 010 COMMODITIES 2 AND 3 INFERRED FROM THE LISTING OF AND SPHALERITE ON RECORD 070 RECORD 060 MINERALIZATION IN THE ST LOUIS AND ST GENEVIEVE F TIONS RECORD 040 ON ORIGINAL ENTRY THE FOLLOWING DATA WERE RECORDE DISTANCE TO LAST POINT OF COMMON CARRIER 1 KILOMETERS DISTAN TO ADEQUATE WATER SUPPLY 0 KILOMETERS DISTANCE TO POWER SUPP 1 KILOMETERS RECORD 151 47.4 MILLFEED SHIPPED AS CONCENTRATES IC 8339 GIVES INDICATION THAT THE MINE IS MINED OUT AS OF 1967. GILL MONTGOMERY STATED THAT THE MINE IS FLOODED.

Mineral occurrence model information
Model code	174
USGS model code	26b
Deposit model name	Fluorspar deposits (fluorite veins)

Year of Discovery : 1910

Mine Data

Ore body information
Strike	N40E
Dip	65E
Thickness	0.9M
Depth to top	0M
Width	213M
Length	1097M
Area	24HA
Field	Value
Type of Orebody #1	FISSURE VEIN
Shape of Orebody #1	TABULAR
Type of Orebody #2	BRECCIA FILL
Primary mode of Origin	HYDROTHERMAL
Primary Ore Control	FAULTING
Degree of Wallrock Alter.	UNKNOWN
Type of Wallrock Alter. #1	UNKNOWN
Strike And Dip	N40E
Avg. Thick. Unconsol. Mat.	0
Total Surface Area (HA)	24
Date of Last Modification	780213

Workings at the site
Type of workings	Underground
Length	12710M
Overall depth	347M
Field	Value
MAS Development Schedule #	1
Mining Record #	1
Status of Mining Method	ACTUAL
Mining Method	SHRINKAGE METHODS
Swell Factor	.69
Percent Waste Rock	48.3
Hardness of Rock	HARDROCK FISSURED WITH EXCESSIVE WATER
Rock Characteristics	MULTIPLE SYSTEMS OF WEAKNESS PLANES
Rock Support Chars.	SUPPORTING MAY BACK SLAB
Mine Support Chars.	POST, HEADBOARD, CAPS, ROOF BOLTS
1st Condition of Workings	FLOODED
Capacity	300
Capacity Units	MT ORE/DAY
Unit Production Cost	8.97
Units of Production	$/MT ORE
Year of Information	1972

References

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

GEOLOGY OF THE FLUORSPAR DEPOSITS OF ILL ILL GEOL SUR BULL 7

BAXTER J W AND DESBOROUGH G A ILL GEOL SUR CIRC 385 PART 2

ILLINOIS STATE GEOLOGIC SURVEY BULL 41

BASTIN EDSON S FLUORSPAR DEPOSITS OF HARDIN AND POPE COUNTIES

ILL ILL STATE GEOL SUR BULL 58 1931 P 76

HOLLENBECK, R. P. FLUORSPAR IN THE EASTERN UNITED STATES.

BUMINES IC 8339, 1967, P. 33.

PHONE CONVERSATION (PMT) WITH GILL MONTGOMERY, A GEOLOGIST -

CONSULTANT FOR FLUORSPAR PRODUCERS IN THE ILL. AREA.

External Links

Mineral Resources Data System (MRDS) USGS Link
https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10082959 Also referenced as 10290431