Base Bonanza Mine, Garden Valley, Kelsey Mining District, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Base Bonanza Mine | Mine |
| Garden Valley | Valley |
| Kelsey Mining District | Mining District |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 51' 6'' North , 120° 52' 41'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Coloma | 529 (2011) | 5.8km |
| Georgetown | 2,367 (2011) | 7.0km |
| Auburn Lake Trails | 3,426 (2011) | 9.5km |
| Cold Springs | 446 (2011) | 12.2km |
| Cool | 4,100 (2017) | 12.5km |
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 |
|---|---|---|
| El Dorado County Mineral and Gem Society | Placerville, California | 15km |
| Gold Country Treasure Seekers | Placerville, California | 15km |
| Roseville Rock Rollers | Roseville, California | 37km |
| Nevada County Gem & Mineral Society | Grass Valley, California | 44km |
| Fossils for Fun Society, Inc. | North Highlands, California | 47km |
Mindat Locality ID:
77302
Long-form identifier:
mindat:1:2:77302:0
GUID (UUID V4):
83bfdc03-527f-48f6-ab91-5dffbd9ba592
A former lode Au mine located in sec. 32, T12N, R10E, MDM, 1.7 km (1.1 miles) W of Garden Valley. Operated prior to 1894. MRDS database stated accuracy for this location is 1,000 meters.
NOTE: This mine lies on or very near to the division of the Mother Lode into 2 branches and would appear to be on the northwest branch, just S of the point where the Greenwood District begins.
Mineralization is a vein deposit hosted in diorite and serpentinite. The E wall is diorite and the W wall is serpentine. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains) and/or Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains).
No production record was found.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
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 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Au | Gold | |
| Au | ⓘ Gold | Au |
Other Databases
| Link to USGS MRDS: | 10007022 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
USA
- California
- Mother Lode BeltBelt
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060170597
