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Mountain Lion Mine - Keystone vein, Magnolia Mining District, Boulder County, Colorado, USAi
| Regional Level Types | |
|---|---|
| Mountain Lion Mine - Keystone vein | Vein |
| Magnolia Mining District | Mining District |
| Boulder County | County |
| Colorado | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 59' 27'' North , 105° 22' 11'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Tall Timber | 208 (2011) | 3.0km |
| Mountain Meadows | 274 (2011) | 3.8km |
| Sugarloaf | 261 (2011) | 4.3km |
| Crisman | 186 (2011) | 5.6km |
| Seven Hills | 121 (2011) | 6.0km |
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 |
|---|---|---|
| Flatirons Mineral Club | Boulder, Colorado | 9km |
| Mile High Rock and Mineral Society | Arvada, Colorado | 32km |
| Colorado Mineral Society | Lakewood, Colorado | 40km |
| Denver Gem and Mineral Guild | Denver, Colorado | 43km |
| Friends of Mineralogy - Colorado Chapter | Denver, Colorado | 43km |
No description has been added for this locality. Can you add one?
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Calaverite Formula: AuTe2 |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Coloradoite (TL) Formula: HgTe Type Locality: Description: Closely intermixed with native tellurium and quartz.
The type description of coloradoite was based on impure specimens from the Keystone and Mountain Lion mines in the Magnolia district and from the Smuggler mine in the Balarat district. |
| ⓘ 'Feldspar Group' |
| ⓘ Keystoneite Formula: Mg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O |
| ⓘ 'Limonite' |
| ⓘ Magnolite Formula: [Hg2]2+[Te4+O3] |
| ⓘ Molybdenite Formula: MoS2 References: Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223 |
| ⓘ Native Gold Formula: Au |
| ⓘ Native Mercury Formula: Hg |
| ⓘ Native Tellurium Formula: Te |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Roscoelite Formula: KV3+2(AlSi3O10)(OH)2 |
| ⓘ Sylvanite Formula: AgAuTe4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| ⓘ | Native Mercury | 1.AD.05 | Hg |
| ⓘ | Native Tellurium | 1.CC.10 | Te |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Coloradoite (TL) | 2.CB.05a | HgTe |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Sylvanite | 2.EA.05 | AgAuTe4 |
| ⓘ | Calaverite | 2.EA.10 | AuTe2 |
| ⓘ | Molybdenite | 2.EA.30 | MoS2 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Magnolite | 4.JK.60 | [Hg2]2+[Te4+O3] |
| ⓘ | Keystoneite | 4.JM.05 | Mg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O |
| Group 9 - Silicates | |||
| ⓘ | Roscoelite | 9.EC.15 | KV3+2(AlSi3O10)(OH)2 |
| Unclassified | |||
| ⓘ | 'Feldspar Group' | - | |
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Keystoneite | Mg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O |
| H | ⓘ Roscoelite | KV23+(AlSi3O10)(OH)2 |
| O | Oxygen | |
| O | ⓘ Keystoneite | Mg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O |
| O | ⓘ Magnolite | [Hg2]2+[Te4+O3] |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Roscoelite | KV23+(AlSi3O10)(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Keystoneite | Mg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O |
| Al | Aluminium | |
| Al | ⓘ Roscoelite | KV23+(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Roscoelite | KV23+(AlSi3O10)(OH)2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Molybdenite | MoS2 |
| S | ⓘ Pyrite | FeS2 |
| K | Potassium | |
| K | ⓘ Roscoelite | KV23+(AlSi3O10)(OH)2 |
| V | Vanadium | |
| V | ⓘ Roscoelite | KV23+(AlSi3O10)(OH)2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Keystoneite | Mg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O |
| Fe | ⓘ Pyrite | FeS2 |
| Ni | Nickel | |
| Ni | ⓘ Keystoneite | Mg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Mo | Molybdenum | |
| Mo | ⓘ Molybdenite | MoS2 |
| Ag | Silver | |
| Ag | ⓘ Sylvanite | AgAuTe4 |
| Te | Tellurium | |
| Te | ⓘ Calaverite | AuTe2 |
| Te | ⓘ Coloradoite | HgTe |
| Te | ⓘ Keystoneite | Mg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O |
| Te | ⓘ Magnolite | [Hg2]2+[Te4+O3] |
| Te | ⓘ Sylvanite | AgAuTe4 |
| Te | ⓘ Native Tellurium | Te |
| Au | Gold | |
| Au | ⓘ Calaverite | AuTe2 |
| Au | ⓘ Native Gold | Au |
| Au | ⓘ Sylvanite | AgAuTe4 |
| Hg | Mercury | |
| Hg | ⓘ Coloradoite | HgTe |
| Hg | ⓘ Magnolite | [Hg2]2+[Te4+O3] |
| Hg | ⓘ Native Mercury | Hg |
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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References
cudl.colorado.edu (n.d.) http://cudl.colorado.edu/luna/servlet/detail/UCBOULDERCB1~85~85~1100302~141500:Drumm-s-Mining-Map-of-Magnolia-and-?sort=date_issued%2Ctitle%2Cplace_term%2Cname_display_form&qvq=sort:date_issued%2Ctitle%2Cplace_term%2Cname_display_form;lc:UCBOULDERCB1~85~85&mi=1&trs=84
Emmons, S. F., Becker, G. F. (1885) Statistics and Technology of the Precious Metals. Bureau of the Census.
