Edna Mine (Etna; Caldwell), Golden Gate Hill, Mokelumne Hill Mining District, East Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Edna Mine (Etna; Caldwell) | Mine |
| Golden Gate Hill | Hill |
| Mokelumne Hill Mining District | Mining District |
| East Belt | - not defined - |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 14' 22'' North , 120° 42' 47'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| San Andreas | 2,783 (2011) | 5.6km |
| Mokelumne Hill | 646 (2011) | 6.8km |
| Valley Springs | 3,553 (2011) | 11.4km |
| Jackson | 4,649 (2017) | 13.3km |
| Mountain Ranch | 1,628 (2011) | 15.1km |
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 | 19km |
| Calaveras Gem & Mineral Society | Angels Camp, California | 24km |
A former Au mine located in sec. 36, T5N, R11E, MDM, about 3 km ESE of Golden Gate Hill, along Spring Gulch and highway 49 (4 miles NW of San Andreas). Operated during the early 1890's. MRDS database stated accuracy for this location is 100 meters.
Mineralization is a vein deposit. The ore body is 10.97 meters wide. Controls for ore emplacement included a dike that is gold-bearing from wall to wall, except for approximately 5 feet near the middle. The mineralized dike is granular, buff-colored with large masses of quartz. There is some Au on the W wall. Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada) and/or Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains).
Workings include underground openings with an overall depth of 44.2 meters and comprised of a 145 foot deep shaft with crosscutting and drifting.
No production record found.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Gold Formula: Au Description: Occurs in a mineralized dike. |
| ⓘ Quartz Formula: SiO2 |
Gallery:
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: | 10028758 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- Sierra Nevada BatholithVolcanic Arc
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