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North Star Mine [1], Grizzly Bear House, Placer County, California, USAi
| Regional Level Types | |
|---|---|
| North Star Mine [1] | Mine |
| Grizzly Bear House | - not defined - |
| Placer County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 57' 47'' North , 120° 57' 51'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Auburn Lake Trails | 3,426 (2011) | 5.5km |
| Meadow Vista | 3,217 (2011) | 6.5km |
| Cool | 4,100 (2017) | 9.5km |
| North Auburn | 13,022 (2011) | 10.8km |
| Lake of the Pines | 3,917 (2011) | 11.7km |
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 | 30km |
| Gold Country Treasure Seekers | Placerville, California | 30km |
| Nevada County Gem & Mineral Society | Grass Valley, California | 30km |
| Roseville Rock Rollers | Roseville, California | 37km |
| Fossils for Fun Society, Inc. | North Highlands, California | 47km |
A former lode Au occurrence/mine located in sec. 15 & in the N½SW¼ sec. 22, T13N, R9E, MDM, 2.6 km (1.6 miles) NNE of Grizzly Bear House (¾ mile NW of the Butcher Ranch). Owned by E. J. Power, E. J. Young, & Henry F. Powers (1935). MRDS database stated accuracy for this location is 100 meters. Not the same claim as the North Star Mine in sec. 34, T16N, R10E (Dutch Flat District).
NOTE: Clark (1970a) documents the presence of a North Star Mine in the Damascus District (without coordinates or T&R data). USGS MRDS database file #10007728 states that this mine is in the Damascus District; however, the geographic coordinates presented in the 2 MRDS files place it in sec. 15 & sec. 22, respectively. This is a very significant distance from Damascus and its mines. There are no other "North Star" claims or mines in the MRDS database that are located in the Damascus District.
The ore body is 2.13 meters thick. The vein is 7 feet thick. Local rocks include pre-Cenozoic metasedimentary and metavolcanic rocks undivided.
Workings include underground openings with a length of 51.82 meters and comprised of tunnels (adits/drifts ??).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native 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 | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10007728 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Foothills-Wallowa 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 #0060610220
