Oso Mine, Bear Valley, Bagby-Mariposa-Mount Bullion-Whitlock Mining District, Mariposa County, California, USAi
| Regional Level Types | |
|---|---|
| Oso Mine | Mine |
| Bear Valley | Valley |
| Bagby-Mariposa-Mount Bullion-Whitlock Mining District | Mining District |
| Mariposa County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
37° 34' 20'' North , 120° 6' 41'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Bear Valley | 125 (2011) | 0.8km |
| Catheys Valley | 825 (2011) | 15.6km |
| Mariposa | 2,173 (2017) | 16.1km |
| Midpines | 1,204 (2011) | 17.1km |
| Coulterville | 201 (2011) | 17.2km |
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 |
|---|---|---|
| Mariposa Gem & Mineral Club | Mariposa, California | 16km |
Mindat Locality ID:
82417
Long-form identifier:
mindat:1:2:82417:5
GUID (UUID V4):
5370104b-1439-49d9-8f62-42b7723883d4
A Au occurrence/mine located in sec. 20, T4S, R17E, MDM (the sec. boundary is the approximate location but is accurate according to the latitude), 0.8 km (2,600 feet) ENE of Bear Valley (in Oso Gulch ½ mile W and slightly S of Bear Valley). MRDS database stated accuracy for this location is 1,000 meters. A former Las Mariposas grant mine. Present ownership not determined.
Local rocks include Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains).
Workings include underground openings comprised of a shaft 50 feet deep and 7 feet wide.
According to a report in 1868, about $400,000 (period values) was taken from the shaft. Last activity was in 1906, producing 7.85 tons of ore yielding $164.02, or an average of $20.91 per ton (period values).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
Other Databases
| Link to USGS MRDS: | 10109235 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
USA
- California
- Mother Lode BeltBelt
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060430319
