Nevada Mining Company prospect, Bald Rock Mountain, Placer County, California, USAi
| Regional Level Types | |
|---|---|
| Nevada Mining Company prospect | Prospect |
| Bald Rock Mountain | Mountain |
| Placer County | County |
| California | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
39° 1' 2'' North , 121° 6' 29'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Lake of the Pines | 3,917 (2011) | 5.1km |
| Meadow Vista | 3,217 (2011) | 7.6km |
| North Auburn | 13,022 (2011) | 9.8km |
| Auburn | 13,953 (2017) | 13.7km |
| Alta Sierra | 6,911 (2011) | 14.6km |
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 | 23km |
| Roseville Rock Rollers | Roseville, California | 33km |
| El Dorado County Mineral and Gem Society | Placerville, California | 42km |
| Gold Country Treasure Seekers | Placerville, California | 42km |
| Fossils for Fun Society, Inc. | North Highlands, California | 43km |
Mindat Locality ID:
85603
Long-form identifier:
mindat:1:2:85603:1
GUID (UUID V4):
a82afa5d-fbeb-4dd4-9b3e-24abb1552188
A Cu-Ag-Au occurrence/prospect located in sec. 32, T14N, R8E, MDM, 3.1 km (1.9 miles) E of Bald Rock Mountain (coordinates of record) and 4.2 km (2.6 miles) NW of Hotaling, along the both sides of the Bear River. The property comprises 150 acres in Placer County and 30 acres in Nevada County. MRDS database stated accuracy for this location is 500 meters.
Mineralization is hosted in diorite and slate. The ore body strikes N50W and dips 30E, and occurs along the contact between the diorite and the slate. Cu shows in 3 places with a small amount on surface. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include underground openings, comprised of a 55 foot 2-compartment shaft.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
Other Databases
| Link to USGS MRDS: | 10032070 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
- Sierra Nevada BatholithVolcanic Arc
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060610197
(1908, September) The Copper Resources of California. Bulletin 50. California State Mining Bureaup.209
