Lone Star Mine [1], El Dorado (Mud Springs), El Dorado Mining District, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Lone Star Mine [1] | Mine |
| El Dorado (Mud Springs) | Unincorporated Community |
| El Dorado Mining District | Mining District |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 40' 22'' North , 120° 48' 31'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Deer Park | 1,384 (2018) | 1.6km |
| Diamond Springs | 11,037 (2011) | 2.5km |
| Placerville | 10,650 (2017) | 6.4km |
| Cold Springs | 446 (2011) | 9.4km |
| Shingle Springs | 4,432 (2011) | 10.2km |
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 | 6km |
| Gold Country Treasure Seekers | Placerville, California | 6km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 31km |
| Roseville Rock Rollers | Roseville, California | 42km |
| Fossils for Fun Society, Inc. | North Highlands, California | 49km |
A former lode Au occurrence/mine located in the W½SE¼ (SE¼SW¼) sec. 31, T10N, R11E, MDM, about 3.3 km ESE of El Dorado, E & S of Martinez Creek (2 miles SE of Diamond Springs), on private land. The claim comprises 21 acres. Operated by Frank B. Richards. Operated during the periods 1894 to 1896 and 1907 to 1908. MRDS database stated accuracy for this location is 500 meters.
Mineralization is a vein deposit hosted in slate and greenstone. The ore body strikes NE and dips 90 at a thickness of 1.52 meters. The vein is 2 to 5 feet thick. Local rocks include Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains).
Workings include underground openings comprised of a 500 foot crosscut adit.
No production record was found.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10007082 |
|---|
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
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060170811
