| Deposit ID | 10106415 |
|---|---|
| MRDS ID | W062447 |
| Record type | Site |
| Current site name | Defender Mine |
| Geographic coordinates: | -88.1992, 37.51118 (WGS84) |
|---|---|
| Relative position | JUST NORTHEAST OF THE CLEVELAND MINE. |
Political divisions (FIPS codes)
Hardin(county)
Illinois(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Saline Mines(quadrangle 1:24,000 scale)
West Frankfort(quadrangle 1:100,000 scale)
Paducah(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Ohio-Bay(hydrologic unit)
Lower Ohio(hydrologic accounting unit)
Lower Ohio(hydrologic subregion)
Ohio(hydrologic region)
Federal lands
Shawnee National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Illinois | Hardin |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 011S | 009E | 34 | SW OF SE | Illinois |
| Commodity | Importance |
|---|---|
| Fluorine-Fluorite Critical | Primary |
| Materials | Type of material |
|---|---|
| Fluorite | Ore |
| Calcite | Gangue |
| Quartz | Gangue |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone | ||||||||
| Rock unit name | Rosiclare Sandstone | ||||||||
| Rock description | Rosiclare Sandstone | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Fredonia Limestone |
| Rock description | Fredonia Limestone |
| (1) | -88.1992, 37.51118 |
|---|
| General form | BALNKET |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Non-metallic |
| Significant | No |
| Year of last production | 1923 |
| District name | Illinois Fluorspar District |
|---|
| Type of workings | Underground |
|---|---|
| Name of workings | SHAFT |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W062447 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0170690011 |
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.
BASTIN, E.S., 1931, THE FLUORSPAR DEPOSITS OF HARDIN AND POPE COUNTIES, ILLINOIS: ILLINOIS STATE GEOLOGICAL SURVEY BULLETIN 58, 116 P.
| Subject category | Comment text |
|---|---|
| Deposit | THERE ARE TWO ZONES OF BANDED ORE. REPLACEMENT IS NEARLY COMPLETE IN THE UPPER ZONE, AS THE FINE-GRAINED BANDS CONSIST LARGELY OF FLUORITE WITH A LITTLE QUARTZ AND VERY LITTLE CALCITE, WHEREAS IN THE LOWER ZONE THE FINE-GRAINED BANDS CONTAIN ABUNDANT CALCITE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-APR-1996 | Sutphin, David M. | U.S. Geological Survey | |
| Updater | 01-MAR-1997 | Sutphin, David M. | U.S. Geological Survey | |
| Editor | 01-MAY-1997 | Mason Jr., G.T. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.