White Fir claim, Benner-Barrington group (Benner and Barrington group; Pine Cone claim; Oakie claim; Lucky Three claim), Crescent Hill, Middle Fork of Feather River area, Plumas County, California, USAi
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Latitude & Longitude (WGS84):
39° 51' 12'' North , 120° 59' 14'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Quincy | 1,728 (2017) | 9.9km |
| Meadow Valley | 464 (2011) | 10.5km |
| East Quincy | 2,489 (2011) | 11.8km |
| Greenhorn | 236 (2011) | 20.9km |
| Cromberg | 261 (2011) | 25.2km |
A former Cr mine located in the NW¼SW¼ (assumed based on spot on topo map) sec. 16, T23N, R9E, MDM, 4.8 km (3.0 miles) WSW of Crescent Hill, on National Forest land. Owned by A.A. Benner and R.E. Barrington, Quincy, California (1942-1943). Last worked 1943. MRDS database stated accuracy for this location is 1,000 meters.
Mineralization is a lens-shaped ore body 0.61 meters wide and 3.05 meters long. Local rocks include Ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains) and/or Tertiary pyroclastic and volcanic mudflow deposits, unit 9 (Cascade Range).
Workings consisted of an open cut 15 feet long, 4 feet wide, and 15 feet high at the face (1943).
Production data are found in: Rynearson (1953).
Assay data: ore 38,81% Cr2O3, 12.02% Fe, Cr to Fe ratio 2.21:1.
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: | 10043606 |
|---|
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 #0060630262
