Eagle Bird Mine, Cornish House, American Hill Mining District, Sierra County, California, USAi
| Regional Level Types | |
|---|---|
| Eagle Bird Mine | Mine |
| Cornish House | - not defined - |
| American Hill Mining District | Mining District |
| Sierra County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 31' 41'' North , 120° 44' 41'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Downieville | 282 (2011) | 7.9km |
| Sierra City | 221 (2011) | 10.4km |
| Washington | 185 (2011) | 19.3km |
| Pike | 134 (2011) | 23.9km |
| Plumas Eureka (historical) | 339 (2011) | 25.8km |
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 | 44km |
A former lode Au occurrence/mine located in sec. 9, T19N, R11E, MDM, 4.2 km (2.6 miles) NE of Cornish House, along the N side of Carney Creek near its headwater, on the W slope of Granite Mountain (6 miles SW of Sierra City), on National Forest land. MRDS database stated accuracy for this location is 100 meters.
Mineralization is a vein deposit hosted in slate, porphyry and granite. The quartz vein & stringers occurs in partially crushed in porphyritic granite near its contact with slate. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada) and/or Mesozoic granitic rocks, unit 4 (Klamath Mountains and Northern Sierra Nevada).
Workings include surface and underground openings with an overall depth of 57.91 meters and comprised of 2 adits, the upper one of which is 280 feet long and lower of which is 100 feet below with 150 feet to the fissure. There is also a 100 foot drift.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10086571 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Shoofly-Olds Ferry 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 #0060910408
