| Deposit ID | 10080432 |
|---|---|
| MRDS ID | W031622 |
| MAS/MILS ID | 560130334 |
| Record type | Site |
| Mineralized Area | Crooks Gap-Green Mountain uranium area |
| Current site name | Big Eagle Mine |
| Point of reference | Pit |
|---|---|
| Geographic coordinates: | -107.785, 42.34167 (WGS84) |
| Elevation | 2195 |
| Location accuracy | 250(meters) |
| Relative position | Mostly in Sec. 2. |
Political divisions (FIPS codes)
Fremont(county)
Wyoming(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Crooks Peak(quadrangle 1:24,000 scale)
Bairoil(quadrangle 1:100,000 scale)
Casper(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Sweetwater(hydrologic unit)
North Platte(hydrologic accounting unit)
North Platte(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management WY)
Bureau of Land Management WY BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Wyoming | Fremont |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 6th Principal | 027N | 092W | NE4 | Wyoming |
| Commodity | Importance |
|---|---|
| Uranium | Primary |
| Materials | Type of material |
|---|---|
| Coffinite | Ore |
| Uraninite | Ore |
| Uranophane | Ore |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Unconsolidated Deposit > Sand and Gravel | ||||
| Rock unit name | Battle Spring (Lower Member) | ||||
| Rock description | Battle Spring (Lower Member) | ||||
| |||||
| Pit (1) | -107.785, 42.34167 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | A Northward Dipping Thrust Fault Zone. |
| Type of structure | Regional |
| Structure description | Asymmetric Anticlines And Thrust Faults In Pre-Tertiary Rocks, And Gentle Folds And Normal Faults In Tertiary. |
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | E |
| Deposit size | Large |
| Significant | No |
| Discovery year | 1953 |
| Year of first production | 1978 |
| District name | Crooks Gap - Green Mountain District |
|---|
| Type | Owner |
|---|---|
| Owner | Pathfinder Mines Corp., P. O. Box 450, Jeffrey City, Wy. 82310 |
| First year | 1980 |
| Type | Operator |
|---|---|
| Owner | Lucky Mc Uranium |
| Year | 1978 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W031622 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 560130334 | = newMRDS 10157492, merged and deleted. |
| Mine Safety and Health Administration | MSHA | MSHA | 4801144 |
GEOLOGICAL SURVEY OF WYOMING BULLETIN 50, P. 207.
GEOLOGICAL SURVEY OF WYOMING PI CIRC. 7, PP. 7 - 8.
GEOLOGICAL SURVEY OF WYOMING, MINES AND MINERALS MAP, 1979.
ANNUAL REPORT OF THE STATE INSPECTOR OF MINES FOR THE YEAR ENDING 12/31/80.
REV BY MILS 6-79 (copied from deleted record 10157492)
ANNUAL REPORT OF THE STATE INSPECTOR OF MINES FOR THE YEAR ENDING 12/31/80
Gregory and others, 2010, Uranium map of Wyoming: Wyoming State Geological Survey MS-94, scale 1:500,000.
| Subject category | Comment text |
|---|---|
| Deposit | URANIUM MINERALIZATION IN A NORTHERNLY TRENDING BELT 4 MILES LONG AND 2 MILES WIDE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 1982-01-01 | Barari, Rachel A. | U.S. Geological Survey | |
| Reporter | 1983-11-18 | Intermountain Field Operations Center (IFOC) | U.S. Bureau of Mines | MAS 0560130334 = newMRDS 10157492 |
| Editor | 2011-04-28 | Wilson, Anna B. | U.S. Geological Survey | MAS 0560130334 = newMRDS 10157492, merged and deleted. Revised 15-jan-2013. |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
| Status | Abandoned since 10/16/1991 |
|---|---|
| MSHA mine ID | 4801144 |
| Mine name (MSHA) | Big Eagle Mine |
| Current operator | Green Mountain Mining Venture |
| Current controller (parent) | Rtz-Cra Group & U S Energy/Crested Corp |
| Mine type | Underground (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.