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Sierra Standard Mining Company Mine (Sierra Standard Mng Co; Sierra Standard; Baker), Red Ant, Downieville Mining District, Sierra County, California, USAi
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Latitude & Longitude (WGS84):
39° 35' 22'' North , 120° 50' 14'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Downieville | 282 (2011) | 3.5km |
| Sierra City | 221 (2011) | 17.6km |
| Pike | 134 (2011) | 21.7km |
| Plumas Eureka (historical) | 339 (2011) | 21.8km |
| Camptonville | 158 (2011) | 23.7km |
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 |
|---|---|---|
| Nevada County Gem & Mineral Society | Grass Valley, California | 45km |
A former lode Au occurrence/mine located in sec. 22, T20N, R10E, MDM, 1.9 km (1.2 miles) ENE of Red Ant, along the E canyon wall of Sailor Ravine (2 miles N of Downieville), on National Forest land. MRDS database stated accuracy for this location is 100 meters. Adjoins the Oxford Mine.
Mineralization is a vein deposit hosted in serpentinite and porphyry. The ore body strikes N40W and dips 55E. There are 2 veins. The big vein dips 50-60E and averages 4 feet thick with gouge & talc, near the contact of serpentine and porphyry. The distance between the walls being 14 feet. A cross vein with Au and arsenopyrite crosses formation layers of black porphyry, strikes E and is 3 to 4 feet thick. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with an overall length of 457.2 meters and comprised of 6 adits.
Production data are found in: MacBoyle, Errol (1920b).
No other production record was found.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Arsenopyrite Formula: FeAsS |
| ⓘ Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Talc Formula: Mg3Si4O10(OH)2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| O | Oxygen | |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| Mg | Magnesium | |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| S | Sulfur | |
| S | ⓘ Arsenopyrite | FeAsS |
| Fe | Iron | |
| Fe | ⓘ Arsenopyrite | FeAsS |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10034815 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060910289
