Donnebrouge prospect (Jefferson shaft), Browns Valley, Browns Valley Mining District, Yuba County, California, USAi
| Regional Level Types | |
|---|---|
| Donnebrouge prospect (Jefferson shaft) | Prospect |
| Browns Valley | Valley |
| Browns Valley Mining District | Mining District |
| Yuba County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 14' 34'' North , 121° 24' 35'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Loma Rica | 2,368 (2011) | 7.7km |
| Smartsville | 177 (2016) | 10.2km |
| Honcut | 370 (2011) | 14.4km |
| Beale Air Force Base | 1,319 (2011) | 15.6km |
| Bangor | 646 (2011) | 16.2km |
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 |
|---|---|---|
| Sutter Buttes Gem & Mineral Society | Marysville, California | 19km |
| Nevada County Gem & Mineral Society | Grass Valley, California | 30km |
| Feather River Lapidary & Mineral Society | Oroville, California | 33km |
A Au prospect located in sec. 16, T16N, R5E, MDM, 0.1 km (300 feet) NW of Browns Valley (town), on private (patented) land. Operated by the Empire Star Mines Co. Ltd. and leased by George Little. MRDS database stated accuracy for this location is 500 meters.
NOTE: The data provided in the MRDS database under the file for the Browns Valley District mentions a Jefferson Mine. There are insufficient data to determine if that mine is synonymous with the Jefferson shaft, presented as an alternate name for the Donnebrouge prospect.
Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include underground openings comprised of an inclined shaft 1,000 feet deep with a winze 500 feet deep.
List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10117633 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- California Central ValleyAccretionary Complex
- Foothills-Wallowa DomainDomain
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