Lampson Drift Mine, Railroad Flat, Railroad Flat Mining District, East Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Lampson Drift Mine | Mine |
| Railroad Flat | Census-designated Place |
| Railroad Flat Mining District | Mining District |
| East Belt | - not defined - |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 18' 42'' North , 120° 30' 51'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Rail Road Flat | 475 (2015) | 3.6km |
| Mountain Ranch | 1,628 (2011) | 9.6km |
| West Point | 674 (2011) | 9.8km |
| Fort Jones | 643 (2006) | 10.2km |
| Red Corral | 1,413 (2017) | 13.7km |
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 |
|---|---|---|
| Amador County Gem & Mineral Society | Sutter Creek, California | 27km |
| Calaveras Gem & Mineral Society | Angels Camp, California | 27km |
A former Au occurrence/drift mine located in the NW¼ sec. 2, T5N, R13E, MDM, 3.5 km (2.2 miles) S of Railroad Flat (near the head of Jack Nelson Creek). First operated in 1884. Owned by Lee and H. L. Burch. MRDS database accuracy for this location is not stated.
Mineralization is a placer Au deposit on a branch of the Fort Mountain paleochannel. The channel trends E, is 40 to 100 feet wide and 80 to 100 feet deep. It contains an average of 9 feet of blue gravel covered by sand, gravel and rhyolite. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings comprised of 2 shafts, 200 feet of tunnels and drifts driven by 1889. A third shaft was sunk in 1890. A 2-stamp mill was erected in 1899; a 5-stamp mill in 1902. There was some small scale work after 1920.
Yield was estimated variously at $6 to $10 (period values) per cubic yard.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
Other Databases
| Link to USGS MRDS: | 10109178 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Shoofly-Olds Ferry DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- Sierra NevadaMountain Range
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