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Omega Placer Mine, Omega, Washington Mining District (Omega Mining District), Nevada County, California, USAi
| Regional Level Types | |
|---|---|
| Omega Placer Mine | Mine |
| Omega | - not defined - |
| Washington Mining District (Omega Mining District) | Mining District |
| Nevada County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 20' 19'' North , 120° 45' 36'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Washington | 185 (2011) | 4.1km |
| Alta | 610 (2011) | 15.3km |
| Dutch Flat | 160 (2011) | 16.2km |
| Pike | 134 (2011) | 23.3km |
| Nevada City | 3,152 (2017) | 23.8km |
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 | 29km |
A former placer Au-Ag occurrence/hydraulic mine located in the W½W½ sec. 16 & in the SE¼ sec. 17, T17N, R11E, MDM, 1.1 km (0.7 mile) WNW (based on coordinates of record - actually starts within about 200 meters W of Omega site), on National Forest land. Owned & operated by the South Yuba Mining and Development Company. MRDS database stated accuracy for this location is 500 meters. This locality is evident on the topo maps as a large, shaded area of mining activity.
Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings included surface operations comprised of 3 hydraulic monitors in 1941. The company had water rights to 5,000 miners inches.
Early workings reported as rich with claims 100 feet by 100 feet averaging $8,000 (period values) each. Early production was reported to have been 13.5 million cubic yards, giving an average of 13½ (?) (per) cubic yard in 1941. 429,637 cubic yards yielded 1,302 ounces Au and 49 ounces Ag. In 1942 the yield from 818,175 cubic yards was 1,749 ounces Au and 54 ounces Ag.
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Standard Detailed Gallery Strunz Chemical ElementsGallery:
Other Databases
| Link to USGS MRDS: | 10031956 |
|---|
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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Omega Placer Mine, Omega, Washington Mining District, Nevada County, California, USA