Finney Mine (York), Red Ant, Downieville Mining District, Sierra County, California, USAi
| Regional Level Types | |
|---|---|
| Finney Mine (York) | Mine |
| Red Ant | - not defined - |
| Downieville Mining District | Mining District |
| Sierra County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 35' 5'' North , 120° 52' 42'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Downieville | 282 (2011) | 5.2km |
| Pike | 134 (2011) | 19.2km |
| Camptonville | 158 (2011) | 20.8km |
| Sierra City | 221 (2011) | 21.1km |
| Plumas Eureka (historical) | 339 (2011) | 24.2km |
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. 20, T20N, R10E, MDM, 1.6 km (1.0 mile) W of Red Ant, along the W canyon wall of Goodyears Creek at its confluence with Eureka Creek (2½ miles NW of Downieville), on National Forest land. MRDS database stated accuracy for this location is 100 meters. An old mine from the 1930-1936 period.
Mineralization is a vein deposit hosted in schist, plutonic rock and Late Permian slate. The ore body is pinch-and-swell in form, strikes S20E and dips 80E at a thickness of 2.13 meters. The vein is 7 inches (17.5 cm) to 7 feet (2.2 meters) thick on a contact between an amphibolite schist footwall and a slate, schist & dikes hanging wall. Country rock is characteristic of the Alleghany-Downieville serpentine belt. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings with an overall depth of 45.72 meters and comprised of a 150 foot shaft with about 515 feet of drifts, a 1,100 foot adit and an approximate 250 foot raise.
Production data are found in: Averill, Charles V. (1942a).
Ore grade was said to vary between $12 & $15 (period values) Au/ton.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | 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 | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10086555 |
|---|
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 #0060910309
