Boulder Mining District, Boulder Batholith, Jefferson County, Montana, USAi
| Regional Level Types | |
|---|---|
| Boulder Mining District | Mining District |
| Boulder Batholith | Batholith |
| Jefferson County | County |
| Montana | State |
| USA | Country |
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Type:
Largest Settlements:
| Place | Population |
|---|---|
| Boulder | 1,207 (2017) |
A Ag-Au-Pb-Zn-Cu-U-Mo-Ba(baryte)-Sb-W-As mining area. The district is defined as the area adjacent to the town of Boulder. It includes Galena Gulch, Boomerang Gulch, and the W part of Boulder Valley. To the S the border is the Little Boulder River to about the Crowley Dam. (info from land st (1954)/MRDS).
Local/regional geologic structures include the Boulder batholith and broadly related stocks.
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Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded from this region.Mineral List
Mineral list contains entries from the region specified including sub-localities29 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Rock list contains entries from the region specified including sub-localities
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Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| ⓘ | Native Silver | 1.AA.05 | Ag |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Chalcocite | 2.BA.05 | Cu2S |
| ⓘ | Acanthite | 2.BA.35 | Ag2S |
| ⓘ | Sphalerite | 2.CB.05a | ZnS |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Cinnabar | 2.CD.15a | HgS |
| ⓘ | Molybdenite | 2.EA.30 | MoS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| ⓘ | Pyrargyrite | 2.GA.05 | Ag3SbS3 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Tenorite | 4.AB.10 | CuO |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Samarskite-(Y) | 4.DB.25 | YFe3+Nb2O8 |
| ⓘ | Uraninite | 4.DL.05 | UO2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| ⓘ | Powellite | 7.GA.05 | Ca(MoO4) |
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Autunite | 8.EB.05 | Ca(UO2)2(PO4)2 · 10-12H2O |
| ⓘ | Zeunerite | 8.EB.05 | Cu(UO2)2(AsO4)2 · 12H2O |
| ⓘ | Metatorbernite | 8.EB.10 | Cu(UO2)2(PO4)2 · 8H2O |
| Group 9 - Silicates | |||
| ⓘ | Uranophane | 9.AK.15 | Ca(UO2)2(SiO3OH)2 · 5H2O |
| ⓘ | Magnesio-hornblende | 9.DE.10 | ◻Ca2(Mg4Al)(Si7Al)O22(OH)2 |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
| ⓘ | Orthoclase | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | Anorthite | 9.FA.35 | Ca(Al2Si2O8) |
| Unclassified | |||
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Gummite' | - | |
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| H | ⓘ Magnesio-hornblende | ◻Ca2(Mg4Al)(Si7Al)O22(OH)2 |
| H | ⓘ Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| H | ⓘ Zeunerite | Cu(UO2)2(AsO4)2 · 12H2O |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Anorthite | Ca(Al2Si2O8) |
| O | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| O | ⓘ Magnesio-hornblende | ◻Ca2(Mg4Al)(Si7Al)O22(OH)2 |
| O | ⓘ Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Orthoclase | K(AlSi3O8) |
| O | ⓘ Powellite | Ca(MoO4) |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| O | ⓘ Scheelite | Ca(WO4) |
| O | ⓘ Tenorite | CuO |
| O | ⓘ Uraninite | UO2 |
| O | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| O | ⓘ Zeunerite | Cu(UO2)2(AsO4)2 · 12H2O |
| F | Fluorine | |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Mg | Magnesium | |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mg | ⓘ Magnesio-hornblende | ◻Ca2(Mg4Al)(Si7Al)O22(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Anorthite | Ca(Al2Si2O8) |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Al | ⓘ Magnesio-hornblende | ◻Ca2(Mg4Al)(Si7Al)O22(OH)2 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Orthoclase | K(AlSi3O8) |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Anorthite | Ca(Al2Si2O8) |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Magnesio-hornblende | ◻Ca2(Mg4Al)(Si7Al)O22(OH)2 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Orthoclase | K(AlSi3O8) |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| P | Phosphorus | |
| P | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| P | ⓘ Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| S | Sulfur | |
| S | ⓘ Acanthite | Ag2S |
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Baryte | BaSO4 |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Chalcocite | Cu2S |
| S | ⓘ Cinnabar | HgS |
| S | ⓘ Galena | PbS |
| S | ⓘ Molybdenite | MoS2 |
| S | ⓘ Pyrargyrite | Ag3SbS3 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Sphalerite | ZnS |
| K | Potassium | |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Orthoclase | K(AlSi3O8) |
| Ca | Calcium | |
| Ca | ⓘ Anorthite | Ca(Al2Si2O8) |
| Ca | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| Ca | ⓘ Magnesio-hornblende | ◻Ca2(Mg4Al)(Si7Al)O22(OH)2 |
| Ca | ⓘ Powellite | Ca(MoO4) |
| Ca | ⓘ Scheelite | Ca(WO4) |
| Ca | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| Ti | Titanium | |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | Iron | |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Chalcocite | Cu2S |
| Cu | ⓘ Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| Cu | ⓘ Tenorite | CuO |
| Cu | ⓘ Zeunerite | Cu(UO2)2(AsO4)2 · 12H2O |
| Zn | Zinc | |
| Zn | ⓘ Sphalerite | ZnS |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| As | ⓘ Zeunerite | Cu(UO2)2(AsO4)2 · 12H2O |
| Y | Yttrium | |
| Y | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Nb | Niobium | |
| Nb | ⓘ Samarskite-(Y) | YFe3+Nb2O8 |
| Mo | Molybdenum | |
| Mo | ⓘ Molybdenite | MoS2 |
| Mo | ⓘ Powellite | Ca(MoO4) |
| Ag | Silver | |
| Ag | ⓘ Acanthite | Ag2S |
| Ag | ⓘ Pyrargyrite | Ag3SbS3 |
| Ag | ⓘ Native Silver | Ag |
| Sb | Antimony | |
| Sb | ⓘ Pyrargyrite | Ag3SbS3 |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Hg | Mercury | |
| Hg | ⓘ Cinnabar | HgS |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
| U | Uranium | |
| U | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| U | ⓘ Metatorbernite | Cu(UO2)2(PO4)2 · 8H2O |
| U | ⓘ Uraninite | UO2 |
| U | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| U | ⓘ Zeunerite | Cu(UO2)2(AsO4)2 · 12H2O |
Fossils
There are 5 fossil localities from the PaleoBioDB database within this region.These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.
| Occurrences | 215 |
|---|---|
| Youngest Fossil Listed | 1.80 Ma (Pleistocene) |
| Oldest Fossil Listed | 371 Ma (Late/Upper Devonian) |
| Stratigraphic Units | Click here to view 9 stratigraphic units. |
| Fossils from Region | Click here to show the list. |
| Fossil Localities | Click to show 5 fossil localities |
Other Databases
| Link to USGS MRDS: | 60000335 |
|---|
Localities in this Region
- Montana
- Jefferson County
- Boulder Batholith
- Jefferson County
- Montana
- Jefferson County
- Boulder Batholith
- Jefferson County
Other Regions, Features and Areas that Intersect
North AmericaContinent
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Bozeman BasinBasin
- Great Falls DomainDomain
- Northern Rocky MountainsWide Rift
USA
- Montana
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References
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Nickelodeon occurrence, Boulder Mining District, Boulder Batholith, Jefferson County, Montana, USA