South Banner Mine, Lava Cap-Banner-Central group (Central Consolidated; South Banner; North Banner), Banner Mountain (Banner Hill), Nevada City Mining District, Nevada County, California, USAi
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Latitude & Longitude (WGS84):
39° 14' 35'' North , 120° 58' 23'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Nevada City | 3,152 (2017) | 4.4km |
| Grass Valley | 12,944 (2017) | 8.0km |
| Dutch Flat | 160 (2011) | 12.3km |
| Alta Sierra | 6,911 (2011) | 13.3km |
| Rough and Ready | 963 (2011) | 14.1km |
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 occurence/mine located in sec. 16 & 21, T16N, R9E, MDM, 0.7 km (0.5 mile) WSW of Banner Mountain (coordinates of record) (foot of western slope of the mountain) (3 miles SW of Nevada City). MRDS database stated accuracy for this location is 1,000 meters.
NOTE: USGS MRDS file #10007535 presents geographic coordinates of -121.09104, 39.24072, which place this locality between Grass Valley and Newtown, W of Grass Valley, although it correctly presents T&R value of secs. 16 & 21, T16N, R9E, MDM. This is obviously in error. The coordinates presented in this Mindat file are from MRDS file #10286106.
Local rocks include Tertiary pyroclastic and volcanic mudflow deposits, unit 9 (Cascade Range) and/or Mesozoic gabbroic rocks, unit 2 (undivided).
Workings include underground openings with a length of 121.92 meters and an overall depth of 15.24 meters and comprised of a crosscut & 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: | 10007535 |
|---|
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 #0060570544
