Crosby Mine, Virginiatown, Lincoln Mining District, Placer County, California, USAi
| Regional Level Types | |
|---|---|
| Crosby Mine | Mine |
| Virginiatown | - not defined - |
| Lincoln Mining District | Mining District |
| Placer County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 57' 21'' North , 121° 14' 43'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Lincoln | 46,474 (2017) | 8.2km |
| Sheridan | 1,238 (2011) | 11.6km |
| Penryn | 831 (2011) | 13.3km |
| Newcastle | 1,224 (2011) | 13.3km |
| North Auburn | 13,022 (2011) | 14.4km |
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 |
|---|---|---|
| Roseville Rock Rollers | Roseville, California | 23km |
| Fossils for Fun Society, Inc. | North Highlands, California | 32km |
| Sacramento Valley Detecting Buffs | North Highlands, California | 32km |
| Nevada County Gem & Mineral Society | Grass Valley, California | 33km |
| Sutter Buttes Gem & Mineral Society | Marysville, California | 37km |
A former lode Au occurrence/mine located in sec. 19, T13N, R7E, MDM, 6.7 km (4.2 miles) NW of Virginiatown and 1.7 km (1.1 miles) S of Kilaga Springs (Wheatland District), NW of the Mount Pleasant Community Hall and N of Doty Ravine. The property comprises 17 acres. Owned by F. C. Crosby (1935). MRDS database stated accuracy for this location is 100 meters.
NOTER: USGS MRDS database file #10101339 places this locality in sec. 25, T13N, R6E, MDM, with corresponding coordinates; however, file #10236933 places it in sec. 19, T13N, R7E, MDM, with corresponding coordinates. The coordinates in this latter file correspond to the location of this mine on the topo map (as a named mine), in sec. 19.
Mineralization is a vein deposit. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains) and/or Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).
Workings include unspecified underground openings (the topo map reflects a shaft symbol).
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: | 10101339 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
- Sierra Nevada BatholithVolcanic Arc
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060610087
