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Eureka Group, Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District), Larimer County, Colorado, USAi
| Regional Level Types | |
|---|---|
| Eureka Group | Group of Mines |
| Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District) | Mining District |
| Larimer County | County |
| Colorado | State |
| USA | Country |
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Latitude & Longitude (WGS84):
40° 34' 33'' North , 105° 25' 47'' West
Latitude & Longitude (decimal):
Type:
Group of Mines
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Estes Park | 6,257 (2017) | 23.4km |
| Laporte | 2,450 (2015) | 25.1km |
| Red Feather Lakes | 343 (2011) | 28.6km |
| Fort Collins | 161,175 (2017) | 29.2km |
| Loveland | 75,182 (2017) | 35.9km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Fort Collins Rockhounds | Fort Collins, Colorado | 29km |
REF:Deposit:: THURSTON, W.R., 1955, PEGMATITES OF THE CRYSTAL MOUNTAIN DISTRICT, LARIMER COUNTY, COLORADO: USGS BULL. 1011, 185 P., 13 PLS.
Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BUL
Commodities (Major) - Uranium
Development Status: Past Producer
Host Rock Unit: Metasedimentary Rocks--Quartz-Mica Schist, Pikes Peak Granite
Structure: Thompson Canyon Fault, Mt Olympus Batholith, Ne-Trending Folds, Front Range Uplift
Host Rock: Mica Schist
Tectonic Structure: Central Cordillera (Southern Rocky Mtns)
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
8 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:
| ⓘ Albite Formula: Na(AlSi3O8) References: |
| ⓘ Almandine Formula: Fe2+3Al2(SiO4)3 References: |
| ⓘ Beryl Formula: Be3Al2(Si6O18) Habit: Massive Colour: Blue, White Description: Massive Beryl found in Pegmatite. Blue in Coloration. No Crytalization of Beryl at this Pegmatite. References: |
| ⓘ 'Feldspar Group' Colour: White, Tan, Pink Description: Massive Feldspar. Some (K) bearing Feldspar can be found at this Pegmatite. References: |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 Habit: Typical Garnet Habit. Colour: Red Description: Garnet found in and on: Feldspar, Quartz, Muscovite, Beryl. Typical Habit and formation. References: |
| ⓘ Microcline Formula: K(AlSi3O8) References: |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 Habit: Typical Mica var. Muscovite Habit. Colour: Silver Description: Typical Mica var. Muscovite. Large "Books" of Muscovite on the Quarry floor and still on the Pegmatite Wall. References: |
| ⓘ Quartz Formula: SiO2 Colour: Clear, White Description: Massive Quartz. No display of crystalline Quartz. References: |
| ⓘ Torbernite Formula: Cu(UO2)2(PO4)2 · 12H2O |
| ⓘ Uranophane Formula: Ca(UO2)2(SiO3OH)2 · 5H2O |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Torbernite | 8.EB.05 | Cu(UO2)2(PO4)2 · 12H2O |
| Group 9 - Silicates | |||
| ⓘ | Almandine | 9.AD.25 | Fe2+3Al2(SiO4)3 |
| ⓘ | Uranophane | 9.AK.15 | Ca(UO2)2(SiO3OH)2 · 5H2O |
| ⓘ | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Microcline | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| H | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| Be | Beryllium | |
| Be | ⓘ Beryl | Be3Al2(Si6O18) |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| O | ⓘ Beryl | Be3Al2(Si6O18) |
| O | ⓘ Microcline | K(AlSi3O8) |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| O | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Al | ⓘ Beryl | Be3Al2(Si6O18) |
| Al | ⓘ Microcline | K(AlSi3O8) |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Si | ⓘ Beryl | Be3Al2(Si6O18) |
| Si | ⓘ Microcline | K(AlSi3O8) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| P | Phosphorus | |
| P | ⓘ Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| K | Potassium | |
| K | ⓘ Microcline | K(AlSi3O8) |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
| Fe | Iron | |
| Fe | ⓘ Almandine | Fe32+Al2(SiO4)3 |
| Cu | Copper | |
| Cu | ⓘ Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| U | Uranium | |
| U | ⓘ Torbernite | Cu(UO2)2(PO4)2 · 12H2O |
| U | ⓘ Uranophane | Ca(UO2)2(SiO3OH)2 · 5H2O |
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Great Plains DomainDomain
- Southern Rocky MountainsOrogenic Belt
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Eureka Group, Crystal Mountain Pegmatite Mining District, Larimer County, Colorado, USA