Union Mine (New York), Banner Mountain (Banner Hill), Nevada City Mining District, Nevada County, California, USAi
| Regional Level Types | |
|---|---|
| Union Mine (New York) | Mine |
| Banner Mountain (Banner Hill) | Mountain |
| Nevada City Mining District | Mining District |
| Nevada County | County |
| California | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
39° 15' 5'' North , 120° 58' 20'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Nevada City | 3,152 (2017) | 4.1km |
| Grass Valley | 12,944 (2017) | 8.5km |
| Dutch Flat | 160 (2011) | 12.6km |
| Alta Sierra | 6,911 (2011) | 14.1km |
| Rough and Ready | 963 (2011) | 14.3km |
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 | 8km |
A former lode Au occurrence/mine located in sec. 16, T16N, R9E,MDM, 0.8 km (0.5 mile) NW of Banner Mountain (coordinates of record), N of Little Deer Creek. MRDS database stated accuracy for this location is 1,000 meters.
NOTE: USGS MRDS file #10286310 presents geographic coordinates of -120.97213, 39.25129 for this locality. These coordinates place it in sec. 16, T16N, R9E, N of Banner Mountain, while MRDS file #10101287 presents coordinates of -121.08882, 39.24933 placing it in sec. 16, T16N, R8E, near Newtown in the Grass Valley District; however, both files state that it is in sec. 16, T16N, R9E. Therefore, the coordinates provided in file #10286310 are presented in this Mindat file.
Mineralization is hosted in diorite, argillite and granite. The ore body strikes N and dips 34E at a thickness of 1.22 meters. Local rocks include Mesozoic gabbroic rocks, unit 2 (undivided).
Workings include underground openings with a length of 335.28 meters and an overall depth of 60.96 meters and comprised of an incline and a tunnel.
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: | 10101287 |
|---|
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
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 #0060570541
