Empire claim (Twin Cedars claim), Forest Glen, South Fork Mining District, Klamath Mountains, Trinity County, California, USAi
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Latitude & Longitude (WGS84):
40° 24' 17'' North , 123° 15' 50'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Ruth | 195 (2011) | 15.8km |
| Hayfork | 2,368 (2011) | 18.0km |
| Mad River | 420 (2011) | 21.5km |
| Hyampom | 241 (2011) | 28.5km |
| Douglas City | 713 (2011) | 38.5km |
A former Cr mine located in secs. 31 & 32, T30N, R12W, MDM, 6.3 km (3.9 miles) NE of Forest Glen, along Post Creek, E of its confluence with North Post Creek, on National Forest land. Owned by L.G. Taylor, Hayfork, California and/or estate of John D. Rourke, Hayfork, California. Operated by E.A. Lough, Hayfork, California (1954). MRDS database stated accuracy for this location is 500 meters.
NOTE: The MRDS database attributes this location to being within the Indian Valley Creek District. It is a considerable distance S of the Indian Valley Creek area (about 6 miles).
Mineralization is hosted in serpentinite. The ore body is lenticular at a width of 0.46 meters and a length of 60.96 meters. The deposit occurs in one of several dike-like peridotite bodies that are NW-trending across central to SW Trinity County. Local rocks include Paleozoic marine rocks, undivided, unit 9 (Western Klamath Mountains) and/or Lower Cretaceous marine rocks.
Workings include surface openings comprised of several trenches (1943).
Production data are found in: O'Brien (1965).
Hand sorting required to produce good grade chromite.
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: | 10043484 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
- Klamouth RangeVolcanic Arc
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0061050105
