Pine Flat Nos. 1-3 claims (Bald Mountain No. 1-2 claims 1937), Claremont, Rock Creek Mining District, Plumas County, California, USAi
| Regional Level Types | |
|---|---|
| Pine Flat Nos. 1-3 claims (Bald Mountain No. 1-2 claims 1937) | Group of Claims |
| Claremont | - not defined - |
| Rock Creek Mining District | Mining District |
| Plumas County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 52' 10'' North , 120° 59' 20'' West
Latitude & Longitude (decimal):
Type:
Group of Claims
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Quincy | 1,728 (2017) | 8.3km |
| Meadow Valley | 464 (2011) | 9.1km |
| East Quincy | 2,489 (2011) | 10.6km |
| Greenhorn | 236 (2011) | 20.7km |
| Cromberg | 261 (2011) | 25.4km |
A former Cr mine located on the center of the boundary between secs. 8 & 9, T23N, R9E, MDM, 4.1 km (2.5 miles) WSW of Claremont summit, along the South Fork Rock Creek, on National Forest land. Discovered by, and owned by, E.R. Patterson and E.V. Spivey. Year of last production was 1943. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a Cr deposit with an irregular-shaped ore body. Local rocks include Ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains).
Workings consisted of an open cut (1943).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
Other Databases
| Link to USGS MRDS: | 10212898 |
|---|
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 ID #0060630252
