Mine Index 10082978 Kentucky Fluorspar Company, Extension, Annex
| Disclaimer | ||
|---|---|---|
| S-T-R | 5(NWN2)-13S-8E | |
| County: | Hardin | |
| Quadrangle: | Rosiclare | |
| District: | Fluorspar District | |
| Subdistrict: | Rosiclare Subdistrict | |
Mine Index Number: 10082978
| ISGS ID: | MSHA ID: | ||
|---|---|---|---|
| MAS ID: | 170690042 | MRDS ID: | W062456 |
| Company Name: | Kentucky Fluorspar Company | ||
| Mine/Site Name: | Extension, Annex | ||
| Active/Abandoned: | Abandoned | ||
| Start Date: | circa 1972 | End Date: | Unknown |
| Commodity Type: | Non-Metallic | ||
| Commodity: | Fluorspar | ||
| Minerals Present: | Galena, Fluorite, Sphalerite | ||
| Type of Mine: | Underground | ||
| District: | Fluorspar District | Subdistrict: | Rosiclare Subdistrict |
| County: | Hardin | ||
| Section/Township/Range: | 5(NWN2)-13S-8E | ||
| Latitude,Longitude: | 37.4108999999998,-88.3558699999998 | ||
| 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=10082978 | ||
| Mindat link: | |||
Discussion
RECORD 151/ ORIGINAL DATA LISTS WASHING AND FLOTATION AS BEN TION METHODS. 60 PERCENT OF FLUORSPAR IS WASHED WITH 27 PERC COVERY. 99 PERC. OF THE ORES ARE PROCESSED BY FLOATATION WIT PERCENT RECOVERY OF BOTH LEAD AND ZINC. 47.4 PERCENT OF MILLFEED IS SHIPPED AS CONCENTRATES.
Discovery Year: 1911
Mine Data/Information
Mine Data
| Ore body information | |
|---|---|
| Strike | N05W |
| Dip | 80W |
| Thickness | 2M |
| Depth to top | 0M |
| Width | 61M |
| Length | 564M |
| Area | 3HA |
| Field | Value |
| Type of Orebody #1 | FISSURE VEIN |
| Shape of Orebody #1 | TABULAR |
| Primary mode of Origin | HYDROTHERMAL |
| Primary Ore Control | FAULTING |
| Degree of Wallrock Alter. | NONE |
| Type of Wallrock Alter. #1 | UNKNOWN |
| Strike And Dip | N05W |
| Avg. Thick. Unconsol. Mat. | 91 |
| Total Surface Area (HA) | 3 |
| Date of Last Modification | 780213 |
| Workings at the site | |
|---|---|
| Type of workings | Underground |
| Length | 3414M |
| Overall depth | 213M |
| Field | Value |
| MAS Development Schedule # | 1 |
| Mining Record # | 1 |
| Status of Mining Method | ACTUAL |
| Mining Method | OVERHAND SHRINKAGE 10-67 |
| 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 | 180 |
| Capacity Units | MT ORE/DAY |
| Unit Production Cost | 11.38 |
| Units of Production | $/MT ORE |
| Year of Information | 1972 |
References
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External Links
Mineral Resources Data System (MRDS) USGS Link
https://mrdata.usgs.gov/mrds/show-mrds.php?dep id=10082978
Also referenced as 10290513