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Lone Star No. 2 Occurrence (Idaho Thorium Showing No. 1), McDevitt Mining District, Lemhi County, Idaho, USAi
| Regional Level Types | |
|---|---|
| Lone Star No. 2 Occurrence (Idaho Thorium Showing No. 1) | Occurrence |
| McDevitt Mining District | Mining District |
| Lemhi County | County |
| Idaho | State |
| USA | Country |
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Latitude & Longitude (WGS84):
44° 59' 4'' North , 113° 33' 51'' West
Latitude & Longitude (decimal):
Type:
Kรถppen climate type:
REF:Deposit:: ANDERSON, A. L., 1961, GEOLOGY AND MINERAL RESOURCES OF THE LEMHI QUADRANGLE, LEMHI COUNTY, IDAHO: IDAHO BUR. MINES AND GEOLOGY PAMPH. 124, 111 P.
Deposit:: V.E. MITCHELL, ET. AL; MINES AND PROPECTS MAP SERIES, 1981
Deposit:: DUBOIS QUAD, LOCATION NO. 9
Deposit:: ANDERSON, 1958, IBMG P-115.
Deposit:: ANDERSON, A. L., 1958, URANIUM, THORIUM, COLUMBIUM, AND RARE EARTH DEPOSITS IN THE SAL
Commodities (Major) - REE, Thorium
Development Status: Occurrence
Host Rock Unit: Belt Supergroup - Phyllite, Swauger Quartzite
Structure: Fault Striking N 30 Deg E, Dipping 15 Deg Se, Offsets Vein 6 Ft., Broad Se-Trending Laramide Thrust Zone
Host Rock: Quartzite, Phyllite
Tectonic Structure: Edge Of Cratonic Shelf Or Hinge Belt
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
5 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:
| โ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) |
| โ Baryte Formula: BaSO4 |
| โ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| โ Euxenite-(Y) Formula: (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| โ 'Monazite Group' Formula: REE(PO4) |
| โ Quartz Formula: SiO2 |
| โ Thorite Formula: Th(SiO4) |
| โ Xenotime-(Y) Formula: Y(PO4) |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| โ | Quartz | 4.DA.05 | SiO2 |
| โ | Euxenite-(Y) | 4.DG.05 | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| โ | Baryte | 7.AD.35 | BaSO4 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| โ | Xenotime-(Y) | 8.AD.35 | Y(PO4) |
| Group 9 - Silicates | |||
| โ | Thorite | 9.AD.30 | Th(SiO4) |
| Unclassified | |||
| โ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| โ | 'Monazite Group' | - | REE(PO4) |
| โ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| O | Oxygen | |
| O | โ Baryte | BaSO4 |
| O | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | โ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| O | โ Monazite Group | REE(PO4) |
| O | โ Quartz | SiO2 |
| O | โ Thorite | Th(SiO4) |
| O | โ Xenotime-(Y) | Y(PO4) |
| O | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | Fluorine | |
| F | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Mg | Magnesium | |
| Mg | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | Aluminium | |
| Al | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | Silicon | |
| Si | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | โ Quartz | SiO2 |
| Si | โ Thorite | Th(SiO4) |
| P | Phosphorus | |
| P | โ Monazite Group | REE(PO4) |
| P | โ Xenotime-(Y) | Y(PO4) |
| P | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| S | Sulfur | |
| S | โ Baryte | BaSO4 |
| Cl | Chlorine | |
| Cl | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ca | Calcium | |
| Ca | โ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Ca | โ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ti | Titanium | |
| Ti | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | โ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Fe | Iron | |
| Fe | โ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Y | Yttrium | |
| Y | โ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Y | โ Xenotime-(Y) | Y(PO4) |
| Nb | Niobium | |
| Nb | โ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Ba | Barium | |
| Ba | โ Baryte | BaSO4 |
| Ce | Cerium | |
| Ce | โ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Ta | Tantalum | |
| Ta | โ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Th | Thorium | |
| Th | โ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
| Th | โ Thorite | Th(SiO4) |
| U | Uranium | |
| U | โ Euxenite-(Y) | (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6 |
Other Databases
| Link to USGS MRDS: | 10071962 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Belt BasinBasin
- Great Falls DomainDomain
- Northern Rocky MountainsWide Rift
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