Julian Mine (Bowlder; Schnabel), Ophir, Ophir Mining District (Auburn Mining District; Duncan Hill Mining District), Placer County, California, USAi
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Latitude & Longitude (WGS84):
38° 53' 60'' North , 121° 7' 1'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Newcastle | 1,224 (2011) | 3.2km |
| Auburn | 13,953 (2017) | 3.5km |
| North Auburn | 13,022 (2011) | 4.6km |
| Penryn | 831 (2011) | 7.0km |
| Cool | 4,100 (2017) | 9.0km |
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 | 32km |
| Sacramento Valley Detecting Buffs | North Highlands, California | 32km |
| El Dorado County Mineral and Gem Society | Placerville, California | 33km |
| Gold Country Treasure Seekers | Placerville, California | 33km |
A former lode Au occurrence/mine located in the SE¼SE¼ sec. 7, T12N, R8E, MDM, 1.1 km (0.7 mile) NNE of Ophir, NE of the Ophir School and SW of Bald Hill (2 miles W of Auburn). Owned by Mrs. Martin Schnabel (1935). MRDS database accuracy for this location is not stated.
Mineralization is a vein deposit hosted in granodiorite. The ore body strikes N10E and dips 45SE at a thickness of 0.91 meter. The vein is 3 feet thick and carries sulfides. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).
Workings include underground openings with a length of 91.44 meters and an overall depth of 70.1 meters and comprised of a tunnel (adit ?) and 4 shafts.
Production data are found in: Logan, Clarence August (1936).
No other production record was found.
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: | 10007691 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
- Sierra Nevada BatholithVolcanic Arc
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