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Colorado Gulch, Boulder Mountains Area, Lewis and Clark County, Montana, USAi
| Regional Level Types | |
|---|---|
| Colorado Gulch | Gulch |
| Boulder Mountains Area | Area |
| Lewis and Clark County | County |
| Montana | State |
| USA | Country |
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Latitude & Longitude (WGS84):
46° 34' 15'' North , 112° 9' 49'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Helena West Side | 1,637 (2011) | 4.8km |
| Helena | 30,581 (2017) | 10.0km |
| South Hills | 517 (2017) | 12.8km |
| Helena Valley West Central | 7,883 (2011) | 12.9km |
| Clancy | 1,661 (2011) | 17.9km |
Contact metamorphic zone, altered limestone.
Located about 10 miles west of Helena, in sec. 13, T 9 N, R 5 W.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Ludwigite Formula: Mg2Fe3+(BO3)O2 |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| Group 6 - Borates | |||
| ⓘ | Ludwigite | 6.AB.30 | Mg2Fe3+(BO3)O2 |
| Unclassified | |||
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| B | Boron | |
|---|---|---|
| B | ⓘ Ludwigite | Mg2Fe3+(BO3)O2 |
| O | Oxygen | |
| O | ⓘ Ludwigite | Mg2Fe3+(BO3)O2 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Mg | Magnesium | |
| Mg | ⓘ Ludwigite | Mg2Fe3+(BO3)O2 |
| Si | Silicon | |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Fe | Iron | |
| Fe | ⓘ Ludwigite | Mg2Fe3+(BO3)O2 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
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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