High Grade Group Mine (Washington), Old Man Mountain, Meadow Lake Mining District, Nevada County, California, USAi
| Regional Level Types | |
|---|---|
| High Grade Group Mine (Washington) | Mine |
| Old Man Mountain | Mountain |
| Meadow Lake Mining District | Mining District |
| Nevada County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 22' 26'' North , 120° 31' 1'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Kingvale | 143 (2011) | 9.6km |
| Sierra City | 221 (2011) | 23.6km |
| Washington | 185 (2011) | 24.3km |
| Sierraville | 200 (2011) | 27.2km |
| Truckee | 16,299 (2017) | 29.1km |
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 |
|---|---|---|
| Nevada County Gem & Mineral Society | Grass Valley, California | 50km |
Mindat Locality ID:
84219
Long-form identifier:
mindat:1:2:84219:9
GUID (UUID V4):
0b4967b9-133b-4060-9009-09cfbc3510a3
A former lode Au-Cu occurrence/mine located in secs. 3 & 4, T17N, R13E, MDM, 0.6 km (0.4 mile) NE of Old Man Mountain and 2.5 km (1.6 miles) SE of Baltimore Town (site), on the E slope of the N spur of the mountain. MRDS database accuracy for this location is not stated.
The ore body strikes N48W and dips 80W at a thickness of 3.05 meters. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).
Workings include surface and underground openings comprised of strippings and short adits.
production information: Some ore was shipped to a smelter. 700 tons of ore were dumped at Carlyle (1924).
Analytical data results: The average assay was 1% Cu and $39 (period values) Au/ton.
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: | 10007659 |
|---|
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References
