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Four Corners Mine (Pallaoro Lease; Morrison Mine), Foothill Mining District, Jefferson County, Colorado, USAi
| Regional Level Types | |
|---|---|
| Four Corners Mine (Pallaoro Lease; Morrison Mine) | Mine |
| Foothill Mining District | Mining District |
| Jefferson County | County |
| Colorado | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 38' 9'' North , 105° 10' 12'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Morrison | 434 (2017) | 2.7km |
| Indian Hills | 1,280 (2011) | 6.1km |
| Idledale | 252 (2011) | 7.2km |
| Ken Caryl | 32,438 (2014) | 8.3km |
| Columbine | 24,280 (2011) | 10.1km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Colorado Mineral Society | Lakewood, Colorado | 11km |
| Littleton Gem and Mineral Club, Inc. | Littleton, Colorado | 13km |
| Denver Gem and Mineral Guild | Denver, Colorado | 20km |
| Friends of Mineralogy - Colorado Chapter | Denver, Colorado | 20km |
| Western Interior Paleontological Society | Denver, Colorado | 20km |
REF:Deposit:: SCOTT, G.R., 1972, GEOLOGIC MAP OF THE MORRISON QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-790-A
Deposit:: RICHTER, D.H., 1964, FOUR CORNERS URANIUM MINE, IN SIMS, P.K., AND SHERIDAN, D.M., GEOLOGY OF URANIUM DEPOSITS IN FRONT RANGE, C
Commodities (Major) - Uranium; (Minor) - Vanadium; (Trace) - Molybdenum
Development Status: Past Producer
Host Rock Unit: Idaho Springs Formation
Structure: Denver Basin, Front Range Uplift, Golden Fault, Damming Fault
Host Rock: Sandstone
Tectonic Structure: Central Platform
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
3 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Ilsemannite Formula: Mo3O8 · nH2O |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Uraninite Formula: UO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Uraninite | 4.DL.05 | UO2 |
| ⓘ | Ilsemannite | 4.FJ.15 | Mo3O8 · nH2O |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Ilsemannite | Mo3O8 · nH2O |
| O | Oxygen | |
| O | ⓘ Ilsemannite | Mo3O8 · nH2O |
| O | ⓘ Uraninite | UO2 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Mo | Molybdenum | |
| Mo | ⓘ Ilsemannite | Mo3O8 · nH2O |
| U | Uranium | |
| U | ⓘ Uraninite | UO2 |
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Great Plains DomainDomain
- Yavapai TerraneVolcanic Arc
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