West End claim (CM Quigg lease), Ziehlke claims group [1948] (Last Chance claim; Morning Glory claim; Murphy lease; Pereira property; C. M. Quigg lease on Pereira property [1918]; C and M Quigg lease), Peoria Flat, Yosemite Junction, Tuolumne County, California, USAi
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Latitude & Longitude (WGS84):
37° 54' 23'' North , 120° 30' 12'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Chinese Camp | 126 (2011) | 7.3km |
| Jamestown | 3,433 (2011) | 8.8km |
| Tuttletown | 668 (2011) | 10.2km |
| Sonora | 4,818 (2017) | 13.7km |
| Copperopolis | 3,671 (2011) | 14.7km |
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 |
|---|---|---|
| Calaveras Gem & Mineral Society | Angels Camp, California | 18km |
A former Cr mine located in sec. 25, T1N, R13E, MDM, 0.7 km (2,200 feet) WNW of Peoria Flat (coordinates of record), along Peoria Creek(about 180 meters N35W of the North End claim; very near the bottom of Peoria Creek about W of the Spotted Fawn claim), on private land. Property was comprised of 4 claims. MRDS database accuracy for this location is not stated.
Mineralization is hosted in rocks of the Seiad Valley Complex (Late Jurassic dunite). The ore body is lenticular, strikes E and dips 90 at a width of 1.22 meters, and a length of 6.1 meters. Local alteration involved partial to complete serpentinization of the host rock. The deposit occurs in the northern part of the westernmost of 2 serpentine belts which trend NW-SE across the county. The belt is exposed over an area 30 km by 6 km. Local rocks include ultramafic rocks, chiefly Mesozoic, unit 2 (Western Sierra Nevada and Klamath Mountains).
Workings included surface openings comprised of an open cut 20 feet by 6 feet by 5 feet.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Formula: Fe2+Cr3+2O4 |
| ⓘ Magnesiochromite Formula: MgCr2O4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Chromite ? | 4.BB.05 | Fe2+Cr3+2O4 |
| ⓘ | Magnesiochromite | 4.BB.05 | MgCr2O4 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Magnesiochromite | MgCr2O4 |
| Mg | Magnesium | |
| Mg | ⓘ Magnesiochromite | MgCr2O4 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Cr | ⓘ Magnesiochromite | MgCr2O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
Other Databases
| Link to USGS MRDS: | 10077871 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- California
- Mother Lode BeltBelt
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