Brown Dog claim (2), Boulder Peak, Altoona Mining District, Trinity Mountains, Klamath Mountains, Trinity County, California, USAi
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Latitude & Longitude (WGS84):
41° 10' 60'' North , 122° 31' 6'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Coffee Creek | 217 (2011) | 19.1km |
| Dunsmuir | 1,582 (2017) | 20.8km |
| Mount Shasta | 3,296 (2017) | 22.3km |
| Trinity Center | 267 (2011) | 26.9km |
| Weed | 2,556 (2017) | 28.8km |
A Cr occurrence/claim located in sec. 2 and/or 3 (assumed spot at center of sec. 2), T38N, R6W, MDM, 3.4 km (2.1 miles) W of Boulder Peak, along the West Branch Crow Creek, S of Mumbo Basin, on National Forest land. Discovered in 1939 by Mr. Elmo Pickering and Mr. Bud Wagner. MRDS database stated accuracy for this location is 1,000 meters.
The deposit occurs in a large body of peridotite that covers approximately 300 square miles of NE Trinity County. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 1 (Trinity Ophiolite).
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: | 10043523 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Klamouth RangeVolcanic Arc
- Shoofly-Olds Ferry DomainDomain
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0061050356
