Treat Mine, Happy Valley, Grizzly Flat Mining District, East Belt, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Treat Mine | Mine |
| Happy Valley | Unincorporated Community |
| Grizzly Flat Mining District | Mining District |
| East Belt | - not defined - |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 39' 39'' North , 120° 32' 43'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Pollock Pines | 6,871 (2017) | 11.7km |
| Camino | 1,750 (2011) | 14.2km |
| River Pines | 379 (2011) | 21.5km |
| Buckhorn | 2,429 (2017) | 23.2km |
| Placerville | 10,650 (2017) | 23.3km |
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 | 23km |
| Gold Country Treasure Seekers | Placerville, California | 23km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 37km |
A former lode Au occurrence/mine located in the NE¼ sec. 4, T9N, R13E, MDM, 2.8 km (1.8 miles) SSE of Happy Valley and 3.2 km (2.0 miles) NNW of Grizzly Flat (5 miles NNE of Omo Ranch), on private land in a National Forest area. Property holdings are 40 acres. Operated by Helen B. Treat. Operated prior to 1888 and again in 1896. MRDS database stated accuracy for this location is 500 meters.
Mineralization is a vein deposit hosted in granodiorite. The ore body strikes N and dips W. Local rocks include Mesozoic gabbroic rocks, unit 2 (undivided) and/or Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).
Workings include underground openings with an overall depth of 30.48 meters and comprised of a 100 foot vertical shaft and adits.
Production data are found in: Clark, Wm. B. & D.W. Carlson (1956).
A small amount of Au was produced in 1896.
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: | 10030437 |
|---|
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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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060171090
