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Helena Mining District (Spring Hill Mining District), Lewis and Clark County, Montana, USAi
| Regional Level Types | |
|---|---|
| Helena Mining District (Spring Hill Mining District) | Mining District |
| Lewis and Clark County | County |
| Montana | State |
| USA | Country |
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Neighbouring regions:
Type:
Largest Settlements:
| Place | Population |
|---|---|
| Helena | 30,581 (2017) |
Other/historical names associated with this locality:
Last Chance; Unionville; Owyhee
Au, Pb, Ag, Cu.
Select Mineral List Type
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-localities24 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:
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 | |||
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Galena | 2.CD.10 | PbS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Gahnite | 4.BB.05 | ZnAl2O4 |
| ⓘ | Spinel | 4.BB.05 | MgAl2O4 |
| ⓘ | Corundum | 4.CB.05 | Al2O3 |
| ⓘ | var. Sapphire | 4.CB.05 | Al2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Ankerite | 5.AB.10 | Ca(Fe2+,Mg)(CO3)2 |
| ⓘ | Dolomite | 5.AB.10 | CaMg(CO3)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
| Group 9 - Silicates | |||
| ⓘ | Grossular | 9.AD.25 | Ca3Al2(SiO4)3 |
| ⓘ | var. Hibschite | 9.AD.25 | Ca3Al2(SiO4)3-x(OH)4x |
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ | Vesuvianite | 9.BG.35 | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| ⓘ | Elbaite | 9.CK.05 | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
| ⓘ | Clintonite | 9.EC.35 | CaAlMg2(SiAl3O10)(OH)2 |
| ⓘ | Clinochlore | 9.EC.55 | Mg5Al(AlSi3O10)(OH)8 |
| ⓘ | Meionite | 9.FB.15 | Ca4Al6Si6O24CO3 |
| Unclassified | |||
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Stilbite Subgroup' | - | M6-7[Al8-9Si27-28O72] · nH2O |
| ⓘ | 'Tourmaline' | - | AD3G6 (T6O18)(BO3)3X3Z |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'K Feldspar' | - | |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| H | ⓘ Clintonite | CaAlMg2(SiAl3O10)(OH)2 |
| H | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | ⓘ Grossular var. Hibschite | Ca3Al2(SiO4)3-x(OH)4x |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| H | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| H | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Li | Lithium | |
| Li | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| B | Boron | |
| B | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| B | ⓘ Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
| C | Carbon | |
| C | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Dolomite | CaMg(CO3)2 |
| C | ⓘ Meionite | Ca4Al6Si6O24CO3 |
| O | Oxygen | |
| O | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| O | ⓘ Clintonite | CaAlMg2(SiAl3O10)(OH)2 |
| O | ⓘ Corundum | Al2O3 |
| O | ⓘ Diopside | CaMgSi2O6 |
| O | ⓘ Dolomite | CaMg(CO3)2 |
| O | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Gahnite | ZnAl2O4 |
| O | ⓘ Grossular | Ca3Al2(SiO4)3 |
| O | ⓘ Grossular var. Hibschite | Ca3Al2(SiO4)3-x(OH)4x |
| O | ⓘ Meionite | Ca4Al6Si6O24CO3 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Corundum var. Sapphire | Al2O3 |
| O | ⓘ Scheelite | Ca(WO4) |
| O | ⓘ Spinel | MgAl2O4 |
| O | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| O | ⓘ Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
| O | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Na | Sodium | |
| Na | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Mg | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Mg | ⓘ Clintonite | CaAlMg2(SiAl3O10)(OH)2 |
| Mg | ⓘ Diopside | CaMgSi2O6 |
| Mg | ⓘ Dolomite | CaMg(CO3)2 |
| Mg | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Mg | ⓘ Spinel | MgAl2O4 |
| Mg | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Al | Aluminium | |
| Al | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Al | ⓘ Clintonite | CaAlMg2(SiAl3O10)(OH)2 |
| Al | ⓘ Corundum | Al2O3 |
| Al | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Al | ⓘ Gahnite | ZnAl2O4 |
| Al | ⓘ Grossular | Ca3Al2(SiO4)3 |
| Al | ⓘ Grossular var. Hibschite | Ca3Al2(SiO4)3-x(OH)4x |
| Al | ⓘ Meionite | Ca4Al6Si6O24CO3 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Al | ⓘ Corundum var. Sapphire | Al2O3 |
| Al | ⓘ Spinel | MgAl2O4 |
| Al | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| Al | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Clinochlore | Mg5Al(AlSi3O10)(OH)8 |
| Si | ⓘ Clintonite | CaAlMg2(SiAl3O10)(OH)2 |
| Si | ⓘ Diopside | CaMgSi2O6 |
| Si | ⓘ Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Grossular | Ca3Al2(SiO4)3 |
| Si | ⓘ Grossular var. Hibschite | Ca3Al2(SiO4)3-x(OH)4x |
| Si | ⓘ Meionite | Ca4Al6Si6O24CO3 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Stilbite Subgroup | M6-7[Al8-9Si27-28O72] · nH2O |
| Si | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Galena | PbS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Clintonite | CaAlMg2(SiAl3O10)(OH)2 |
| Ca | ⓘ Diopside | CaMgSi2O6 |
| Ca | ⓘ Dolomite | CaMg(CO3)2 |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Grossular | Ca3Al2(SiO4)3 |
| Ca | ⓘ Grossular var. Hibschite | Ca3Al2(SiO4)3-x(OH)4x |
| Ca | ⓘ Meionite | Ca4Al6Si6O24CO3 |
| Ca | ⓘ Scheelite | Ca(WO4) |
| Ca | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Fe | Iron | |
| Fe | ⓘ Ankerite | Ca(Fe2+,Mg)(CO3)2 |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Fe | ⓘ Vesuvianite | Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Zn | Zinc | |
| Zn | ⓘ Gahnite | ZnAl2O4 |
| Ag | Silver | |
| Ag | ⓘ Native Silver | Ag |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
| Pb | Lead | |
| Pb | ⓘ Galena | PbS |
Fossils
This region is too big or complex to display the fossil list, try looking at smaller subregions.Localities in this Region
- Montana
- Lewis and Clark County
- Helena Mining District (Spring Hill Mining District)
- Clay Deposit in Orofino Gulch
- Colorado Gulch Dolomite Deposit
- Copper Cliff Mine
- Dry Gulch
- Dry Gulch Limestone
- Eula Mine
- Gray Rock Mine
- Grizzly Gulch
- Harrison Quarry
- Helena
- ⭔Helena area
- Helena District
- Helena Limestone Mine
- Helena Placers (Last Chance Gulch; Tenmile Creek)
- Independent Prospect
- Lady Luck
- Helena Mining District (Spring Hill Mining District)
- Lewis and Clark County
- Montana
- Lewis and Clark County
- Helena Mining District (Spring Hill Mining District)
- Limestone Occurrence (MRDS - 10221343)
- Little Rock Placer
- Mamie D. Lode Prospect
- Missouri River placers
- Nelson Gulch Marble Deposit
- Nelson Gulch Placers
- Occidental Claim
- PG Mine
- Pretty Girl Placer
- San Juan
- Schimpf Quarry
- Sky Mine
- Spraukel Occurrence
- Spring Hill Mine
- Unknown Talc-Soapstone (MRDS - 10019786)
- Unnamed Gold Occurrence (MRDS - 10173123)
- Unnamed Marble Occurrence (MRDS - 10196547)
- Unnamed Placer Mine (MRDS - 10270537)
- Unnamed Talc Occurrence (MRDS - 10221732)
- Whitlatch-Union Lode (Owyhee and McIntye Inclines)
- Helena Mining District (Spring Hill Mining District)
- Lewis and Clark County
Other Regions, Features and Areas that Intersect
North AmericaContinent
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Belt BasinBasin
- Great Falls DomainDomain
- Medicine Hat DomainDomain
- Northern Rocky MountainsWide Rift
- West Canadian-Alberta basinBasin
USA
- Montana
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Helena Mining District, Lewis and Clark County, Montana, USA