Joker Pit, Fourmile Mining District (Timberlake Creek Mining District), Moffat County, Colorado, USAi
| Regional Level Types | |
|---|---|
| Joker Pit | Pit |
| Fourmile Mining District (Timberlake Creek Mining District) | Mining District |
| Moffat County | County |
| Colorado | State |
| USA | Country |
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Latitude & Longitude (WGS84):
40° 45' 24'' North , 107° 43' 37'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Mindat Locality ID:
116246
Long-form identifier:
mindat:1:2:116246:5
GUID (UUID V4):
22406abd-f4b6-44f9-802f-02aa0e3f186b
REF:Deposit:: PARKER, B.H., JR., 1974, THE PLACERS OF MOFFAT COUNTY, IN GOLD PLACERS OF COLORADO: COLORADO SCHOOL OF MINES QUART., V. 69, NO. 4, P. 150-168.
Deposit:: TWETO, OGDEN, 1976, GEOLOGIC MAP OF THE CRAIG 1X2 QUADRANGLE, NORTHWESTERN COLORADO: USGS
Commodities (Major) - REE, Titanium - Metal, Gold, Thorium, Niobium (Columbium), Iron
Deposit Type: Fossil Placer
Development Status: Producer
Host Rock Unit: Cathedral Bluffs Mbr Of Wasatch Formation, Navajo Sandstone
Structure: Washakie Basin
Host Rock: Conglomerate
Tectonic Structure: Colorado 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
7 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:
| ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series' |
| ⓘ Euxenite-(Y) Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Gold Formula: Au |
| ⓘ Ilmenite Formula: Fe2+TiO3 |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
| ⓘ 'Monazite' Formula: REE(PO4) |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Rutile Formula: TiO2 |
| ⓘ Zircon Formula: Zr(SiO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Rutile | 4.DB.05 | TiO2 |
| ⓘ | Euxenite-(Y) | 4.DG.05 | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Group 9 - Silicates | |||
| ⓘ | Zircon | 9.AD.30 | Zr(SiO4) |
| Unclassified | |||
| ⓘ | 'Monazite' | - | REE(PO4) |
| ⓘ | 'Columbite-(Fe)-Columbite-(Mn) Series' | - | |
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| O | ⓘ Ilmenite | Fe2+TiO3 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Monazite | REE(PO4) |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Rutile | TiO2 |
| O | ⓘ Zircon | Zr(SiO4) |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Zircon | Zr(SiO4) |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| P | Phosphorus | |
| P | ⓘ Monazite | REE(PO4) |
| Ca | Calcium | |
| Ca | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Ti | Titanium | |
| Ti | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Ti | ⓘ Ilmenite | Fe2+TiO3 |
| Ti | ⓘ Rutile | TiO2 |
| Fe | Iron | |
| Fe | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
| Y | Yttrium | |
| Y | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Zr | Zirconium | |
| Zr | ⓘ Zircon | Zr(SiO4) |
| Nb | Niobium | |
| Nb | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Ce | Cerium | |
| Ce | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Ta | Tantalum | |
| Ta | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
| Th | Thorium | |
| Th | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| U | Uranium | |
| U | ⓘ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Brown’s Park BasinBasin
- Great Plains DomainDomain
- Idaho-Wyoming Thrust Belt–Greater Green River BasinBasin
USA
- Green River FormationFormation
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