Eho placer, Stanislaus area, Collierville Mining District, East Belt, Calaveras County, California, USAi
| Regional Level Types | |
|---|---|
| Eho placer | Placer |
| Stanislaus area | Area |
| Collierville Mining District | Mining District |
| East Belt | - not defined - |
| Calaveras County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 6' 36'' North , 120° 24' 15'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Murphys | 2,213 (2015) | 5.8km |
| Vallecito | 442 (2011) | 6.5km |
| Forest Meadows | 1,249 (2015) | 6.5km |
| Columbia | 2,297 (2017) | 8.2km |
| Avery | 646 (2011) | 10.9km |
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 |
|---|---|---|
| Calaveras Gem & Mineral Society | Angels Camp, California | 13km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 47km |
A former placer hydraulic Au occurrence/mine located in the NE¼ sec. 14, T3N, R14E, MDM, about 4.65 km SSW of Stanislaus (Tuolumne County), along Cataract Gulch near its confluence with the Stanislaus River (3 miles E of Douglas Flat). Operated in the 1870's, 1890's and early 1900's. MRDS database stated accuracy for this location is 100 meters.
Mineralization is a placer Au deposit. The gravels are chiefly metamorphic rock, thought to represent the main channel of the Tertiary Calaveras River, or the less productive Cataract paleochannel. Local rocks include Tertiary pyroclastic and volcanic mudflow deposits, unit 9 (Cascade Range) and/or Limestone of probable Paleozoic or Mesozoic age.
Workings include surface openings comprised of hydraulic pits. The W pit is 40 feet deep and 75 feet in diameter. The E pit is 75 feet deep and 150 feet in diameter.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
List of minerals for each chemical element
| Au | Gold | |
|---|---|---|
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10109182 |
|---|
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 ID #0060091067
