Allen property (Wheeler Mine; Johnson lease), Sunnybrook, Pardee Mining District, Amador County, California, USAi
| Regional Level Types | |
|---|---|
| Allen property (Wheeler Mine; Johnson lease) | Property |
| Sunnybrook | Residential Area |
| Pardee Mining District | Mining District |
| Amador County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 21' 2'' North , 120° 52' 18'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Ione | 7,000 (2017) | 5.3km |
| Martell | 282 (2011) | 6.8km |
| Buena Vista | 429 (2011) | 7.2km |
| Sutter Creek | 2,488 (2017) | 7.7km |
| Jackson | 4,649 (2017) | 8.5km |
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 |
|---|---|---|
| Amador County Gem & Mineral Society | Sutter Creek, California | 8km |
| El Dorado County Mineral and Gem Society | Placerville, California | 43km |
| Gold Country Treasure Seekers | Placerville, California | 43km |
| Calaveras Gem & Mineral Society | Angels Camp, California | 43km |
A former Cr occurrence/mine located in secs. 27 & 28, T6N, R10E, MDM, 0.9 km (0.6 mile) NNE of Sunnybrook (about ½ mile N of the Ione-Jackson highway; very near the sections' common boundary), on private land. Owned by George Allen (1953). MRDS database stated accuracy for this location is 500 meters.
Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include surface and underground openings comprised of 2 shafts at 12 and 30 feet deep, plus a shallow cut.
There is a recorded production of 63 long tons of chromite. Leased by C. B. Johnson during WWI, who mined about 20 tons of ore. The property is said to be worked out, although some ore is exposed in the bottoms of the workings.
Local rocks include Mesozoic volcanic rocks, unit 2 (Western Sierra Foothills and Western Klamath Mountains).
Workings include surface and underground openings comprised of 2 shafts at 12 and 30 feet deep, plus a shallow cut.
There is a recorded production of 63 long tons of chromite. Leased by C. B. Johnson during WWI, who mined about 20 tons of ore. The property is said to be worked out, although some ore is exposed in the bottoms of the workings.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Chromite Formula: Fe2+Cr3+2O4 |
| ⓘ Magnesiochromite Formula: MgCr2O4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| ⓘ | Magnesiochromite | 4.BB.05 | MgCr2O4 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Magnesiochromite | MgCr2O4 |
| Mg | Magnesium | |
| Mg | ⓘ Magnesiochromite | MgCr2O4 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Cr | ⓘ Magnesiochromite | MgCr2O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
Other Databases
| Link to USGS MRDS: | 10028079 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Foothills-Wallowa DomainDomain
- Sierra Nevada BatholithVolcanic Arc
USA
- California
- Mother Lode BeltBelt
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