El Dorado Mine (Eldorado Mine; Mayon Mine), Amador City, Jackson-Plymouth Mining District, Amador County, California, USAi
| Regional Level Types | |
|---|---|
| El Dorado Mine (Eldorado Mine; Mayon Mine) | Mine |
| Amador City | City |
| Jackson-Plymouth Mining District | Mining District |
| Amador County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 25' 27'' North , 120° 49' 2'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Amador City | 189 (2017) | 0.8km |
| Sutter Creek | 2,488 (2017) | 3.7km |
| Drytown | 167 (2011) | 3.7km |
| Martell | 282 (2011) | 6.6km |
| Plymouth | 960 (2017) | 6.8km |
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 | 4km |
| El Dorado County Mineral and Gem Society | Placerville, California | 34km |
| Gold Country Treasure Seekers | Placerville, California | 34km |
| Calaveras Gem & Mineral Society | Angels Camp, California | 46km |
A former lode Au mine located in sec. 36, T7N, R10E, MDM (at the common quarter line of sec. 36, R10E and sec. 31 of R11E), 0.7 km (0.5 mile) NE of Amador City, on the lower E slope of Bunker Hill (summit) and ESE of Bunker Hill (town), N side of Amador Creek, on private land. MRDS database stated accuracy for this location is 500 meters.
Mineralization is a quartz vein deposit hosted in greenstone and slate. The ore body is pinch-and-swell to tabular in form at a thickness of 1,83 meters. The vein is 4 to 6 feet thick. The footwall is slate and the hanging wall is greenstone. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include underground openings comprised of an inclined shaft at 45 degrees and 300 feet deep.
Analytical data results: The ore carries a large percentage of sulfides assaying from $50 to $80 (period values) per ton. Ore said to be low-grade assaying $4 to $6 (period values (Au ??) per ton.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native 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 | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10076471 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- California
- Amador County
- Mother Lode BeltBelt
- Mother Lode BeltBelt
- Amador County
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060050137
