Quinn Mine (Green-Walter; Good Friday Cornucopia Mine [Alamath shaft]), Ophir, Ophir Mining District (Auburn Mining District; Duncan Hill Mining District), Placer County, California, USAi
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Latitude & Longitude (WGS84):
38° 54' 15'' North , 121° 7' 17'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Newcastle | 1,224 (2011) | 3.5km |
| Auburn | 13,953 (2017) | 3.9km |
| North Auburn | 13,022 (2011) | 4.6km |
| Penryn | 831 (2011) | 7.1km |
| Cool | 4,100 (2017) | 9.4km |
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 |
|---|---|---|
| Roseville Rock Rollers | Roseville, California | 22km |
| Fossils for Fun Society, Inc. | North Highlands, California | 33km |
| Sacramento Valley Detecting Buffs | North Highlands, California | 33km |
| El Dorado County Mineral and Gem Society | Placerville, California | 34km |
| Gold Country Treasure Seekers | Placerville, California | 34km |
Mindat Locality ID:
85704
Long-form identifier:
mindat:1:2:85704:9
GUID (UUID V4):
84a8acc5-1eb0-4be0-b4ab-77d58ce3a0c7
A former lode Au-Cu occurrence/mine located in the SaNW¼SE¼ sec. 7, S½SW¼ sec. 8 & in the N½NW¼ sec. 17, MDM, 1.5 km (0.9 mile) N of Ophir, N of the Ophir School and SW of Bald Hill, E of Doty Flat, on private (patented) land. The property includes several claims. MRDS database stated accuracy for this location is 100 meters.
Mineralization is a vein deposit hosted in granodiorite, amphibolite and schist. The ore body is 0.91 meter thick. The vein is 6 inches (15 cm) to 3 feet (0.91 meter) thick. The vein system trends NW and includes the Green Mine. Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains) and/or Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).
Workings include underground openings with an overall depth of 35.05 meters and comprised of one or more shafts.
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: | 10007697 |
|---|
Other Regions, Features and Areas containing this locality
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060610122
