Black Gold Mine, Newtown (Dogtown), Newtown Mining District, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Black Gold Mine | Mine |
| Newtown (Dogtown) | Unincorporated Community |
| Newtown Mining District | Mining District |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 41' 36'' North , 120° 40' 48'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Camino | 1,750 (2011) | 5.0km |
| Placerville | 10,650 (2017) | 11.0km |
| Pollock Pines | 6,871 (2017) | 11.1km |
| Diamond Springs | 11,037 (2011) | 11.7km |
| Deer Park | 1,384 (2018) | 12.5km |
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 | 11km |
| Gold Country Treasure Seekers | Placerville, California | 11km |
| Amador County Gem & Mineral Society | Sutter Creek, California | 35km |
A former placer Au occurrence/drift mine located in the NW¼ sec. 29, T10N, R12E, MDM, 1.2 km (0.8 mile) S of Newtown, at Avincino Corner, on private land. Operated by Alida L. Avansino. Operated during the period 1930 to 1931 and in 1936. MRDS database stated accuracy for this location is 500 meters. This mine adjoins the Hinds Mine and included the western part of the original Hinds location and a lease on other land, for a total of 153 acres.
Local rocks include Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada).
Workings include underground openings comprised of a 50 foot shaft with drifts 100 feet W, 280 feet N and 127 feet E. Two 10-stamp mills were erected.
A report in July, 1930, documented an average recovery of $3.23 (period values) per ton of Au. A later operator reported a yield of up to $5 (period values) per cubic yard of gravel. Altogether, several thousand dollars of Au were produced.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
1 valid mineral.
Detailed Mineral List:
| ⓘ Native Gold Formula: Au Description: Placer material. |
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: | 10030368 |
|---|
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 #0060171006
