Wyoming & Wyoming Extension Mine (Wyoming & Wyoming Ext.; Dead River), Smiths Flat, Alleghany, Alleghany Mining District (Forest Mining District), Sierra County, California, USAi
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
39° 28' 18'' North , 120° 51' 10'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Downieville | 282 (2011) | 10.0km |
| Pike | 134 (2011) | 13.0km |
| Washington | 185 (2011) | 13.3km |
| Camptonville | 158 (2011) | 16.9km |
| Sierra City | 221 (2011) | 21.5km |
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 |
|---|---|---|
| Nevada County Gem & Mineral Society | Grass Valley, California | 33km |
Mindat Locality ID:
93756
Long-form identifier:
mindat:1:2:93756:7
GUID (UUID V4):
a095f50b-1273-4452-bf95-1839da4309c6
A former lode Au occurrence/mine located in secs. 33 & 234, T19N, R10E, MDM, 0.3 km (0.2 mile) WSW of Smiths Flat (coordinates of record) and 0.8 km (0.5 mile) WNW of Alleghany, along the E canyon wall of Wet Ravine (W slope of Lava Ridge) (N of the General Sherman claim), on National Forest land. MRDS database accuracy for this location is not stated.
Mineralization is a vein deposit. The vein was found in an old, dead river placer adit, with an ore shoot said to be the same attitude as that of the General Sherman mine vein, striking N05W and dipping 50W, but from relations S of the Lava Cap, a serpentine belt may intervene, or is faulted by the vein. Part of a system of N veins with W dip extending from the North Star at least as farm as the Spoohn and including the Mugwump. A shoot of high-grade ore was said to be at the serpentine contact. Local rocks include Mesozoic gabbroic rocks, unit 2 (undivided).
Workings include underground openings comprised of 1 adit, caved before the vein was developed. Crosscuts were started from both the Oriental and from the Tightner, or the 250 level of the Sixteen-to-One Mine, in 1932.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
Gallery:
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 |
| Unclassified | |||
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| O | Oxygen | |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10034847 |
|---|
Other Regions, Features and Areas containing this locality
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
