Unnamed Ni-Au deposit [1] (Georgetown area), Quintette, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Unnamed Ni-Au deposit [1] (Georgetown area) | Deposit |
| Quintette | Unincorporated Community |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 52' 56'' North , 120° 44' 53'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Georgetown | 2,367 (2011) | 8.3km |
| Coloma | 529 (2011) | 15.3km |
| Foresthill | 1,483 (2011) | 16.5km |
| Camino | 1,750 (2011) | 17.2km |
| Placerville | 10,650 (2017) | 17.5km |
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 |
|---|---|---|
| El Dorado County Mineral and Gem Society | Placerville, California | 18km |
| Gold Country Treasure Seekers | Placerville, California | 18km |
| Nevada County Gem & Mineral Society | Grass Valley, California | 46km |
| Roseville Rock Rollers | Roseville, California | 49km |
A Ni-Au occurrence located in secs. 1, 12, 13, 24, 30 & 31, T12N, R11E, MDM, about 6.6 km SW of Quintette, along the W side of Rock Creek, on National Forest land. Discovered in 1849 (for Au); Ni-bearing laterite noted in the 1950's. MRDS database stated accuracy for this location is 1,000 meters. Georgetown is about 1.5 miles from the N part of this area, which is accessible via numerous paved and graded dirt roads.
Mineralization is hosted in serpentinite and pyroxenite. The ore body is 3.05 meters thick. Serpentinite and partially serpentinized pyroxenite form a narrow N-trending, 8 mile long belt situated 1 MT. (?) E of Georgetown. Red lateritic soil occurs in patches on the serpentinite and averages a few feet in depth, up to 10 feet deep in sec. 12. The laterite aggregate area is perhaps more than 150 acres. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada) and/or undivided pre-Cenozoic metavolcanic rocks, unit 2 (undivided).
Analytical data results: Assays at 0.02% Ni.
List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10033776 |
|---|
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 #0060171308
