Bordt Mine (Board), Greenwood, Greenwood District, Northwest Segment Mother Lode, El Dorado County, California, USAi
| Regional Level Types | |
|---|---|
| Bordt Mine (Board) | Mine |
| Greenwood | Unincorporated Community |
| Greenwood District | Mining District |
| Northwest Segment Mother Lode | Lode |
| El Dorado County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 53' 58'' North , 120° 54' 5'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Auburn Lake Trails | 3,426 (2011) | 4.7km |
| Georgetown | 2,367 (2011) | 5.5km |
| Cool | 4,100 (2017) | 9.9km |
| Coloma | 529 (2011) | 11.1km |
| Auburn | 13,953 (2017) | 15.2km |
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 | 21km |
| Gold Country Treasure Seekers | Placerville, California | 21km |
| Roseville Rock Rollers | Roseville, California | 37km |
| Nevada County Gem & Mineral Society | Grass Valley, California | 38km |
| Fossils for Fun Society, Inc. | North Highlands, California | 47km |
A former lode Au mine located in sec. 7, T12N, R10E, MDM, 0.9 km (0.6 mile) ENE of Greenwood, S of highway 193. Claim is 20 acres. Operated in 1894 and 1926. MRDS database stated accuracy for this location is 1,000 meters. Bulletin 108, Pl. II shows the "Bordt" Mine in the SE¼ sec. 7 and in the NW¼ sec. 17.
NOTE: USGS MRDS file #10006981 presents file #10187439 as a related file for this property; however, it seemingly is unrelated since it pertains to a property named simply "California" in sec. 15, a sec. only tangentially adjoining sec. 7 by a common corner to the SW.
Mineralization is a vein deposit hosted in slate. The ore body strikes W and dips 60N at a thickness of 1.22 meters. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include underground openings comprised of a 60 foot drift adit.
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: | 10006981 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Calaveras-Baker DomainDomain
- Sierra Nevada BatholithVolcanic Arc
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 #0060170514
