| Deposit ID | 10106209 |
|---|---|
| MRDS ID | W031624 |
| MAS/MILS ID | 0560090104 |
| Record type | Site |
| Current site name | Highland Uranium Operation |
| Point of reference | Pit |
|---|---|
| Geographic coordinates: | -105.51755, 43.06711 (WGS84) |
| Elevation | 1646 |
| Location accuracy | 1000(meters) |
| Relative position | 24 MILES NORTHEAST OF GLENROCK, WYOMING. Location from Topo and Google Earth in middle of flooded pit. |
Political divisions (FIPS codes)
Converse(county)
Wyoming(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Whipple Hollow(quadrangle 1:24,000 scale)
Bill(quadrangle 1:100,000 scale)
Newcastle(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lightning(hydrologic unit)
Cheyenne(hydrologic accounting unit)
Cheyenne(hydrologic subregion)
Missouri(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Wyoming | Converse |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 036N | 072W | 28 | W2SW | Wyoming |
| Commodity | Importance |
|---|---|
| Uranium | Primary |
| Materials | Type of material |
|---|---|
| Coffinite | Ore |
| Uraninite | Ore |
| Calcite | Gangue |
| Pyrite | Gangue |
| Model code | 204 |
|---|---|
| USGS model code | 30c |
| Deposit model name | Sandstone U |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone | ||||
| Rock unit name | Fort Union | ||||
| Rock description | Fort Union | ||||
| |||||
| Pit (1) | -105.51755, 43.06711 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Asymmetrical Syncline |
| General form | TONGUE-SHAPED IN PLAN VIEW |
|---|---|
| Dip | LESS THAN 1 DEG. NW |
| Thickness | 200M |
| General form | TONGUE-SHAPED IN PLAN VIEW |
|---|---|
| Dip | LESS THAN 1 DEG. NW |
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | Yes |
| Discovery year | 1968 |
| Discoverer | Exxon Company, Usa. |
| District name | South Powder River Basin District |
|---|---|
| District name | Highland Flats - Box Creek District |
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Exxon Minerals Co. |
| Home office | P.O. Box 3020, Casper, Wy. 82602 |
| Year | 1976 |
| Type | Owner |
|---|---|
| Owner | CAMECO Corp. |
| Year | 2011 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W031624 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0560090104 | = newMRDS 10254587, merged and deleted. |
| Mine Safety and Health Administration | MSHA | MSHA | 4800466 |
WYOMING GEOL. ASSOC. 1976 GUIDEBOOK, PP. 243 - 252.
ANNUAL REPORT OF THE STATE INSPECTOR OF MINES FOR THE YEAR ENDING 12/31/80.
GEOLOGICAL SURVEY OF WYOMING, MINES AND MINERALS MAP, 1979.
ANNUAL REPORT OF THE STATE INSPECTOR OF MINES FOR THE YEAR ENDING 12/31/80.
MINOBRAS, 1976, Uranium Guidebook for Wyoming, 63 p. and appendix.
ANNUAL REPORT OF THE STATE INSPECTOR OF MINES OF WYO. 1978. (copied from deleted record 10254587)
MINOBRAS, 1976, Uranium Guidebook for Wyoming.
| Subject category | Comment text |
|---|---|
| Deposit | THREE SEPARATE SANDSTONES GENERALLY SEPARATED BY 3-7 METERS OF SILTSTONE AND CLAYSTONE. MINERALIZATION EXTENDS FOR SEVERAL KILOMETERS; THICKNES OF MINABLE HIGHEST GRADE ORE IS FROM 20 - 200 METERS. DEPOSITS ARE ESSENTIALLY IN RADIOACTIVE EQUILIBRIUM. |
| General | STATICS OFFICE USBM WASH D.C. REV BY MILS 9-79 (copied from deleted record 0560090104 = 10254587). |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-82 | Barari, Rachel A. | U.S. Geological Survey | |
| Editor | 13-DEC-10 | Wilson, Anna B. | U.S. Geological Survey | meged and deleted duplicate record 10254587 for Highland Open Pit Mine (originally MAS 0560090104) |
| Reporter | 01-DEC-83 | Intermountain Field Operations Center (IFOC)_ | U.S. Bureau of Mines | MAS 0560090104 = newMRDS 10254587 |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 05/09/1984 |
|---|---|
| MSHA mine ID | 4800466 |
| Mine name (MSHA) | Highland Operation |
| Current operator | Exxon Minerals Company |
| Current controller (parent) | Exxon Corp |
| Mine type | Surface (Metal / non-metal) |
MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.
Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.