Nelson and Donnelly deposit (Donnelly deposit), Shirttail Peak, Salmon Falls Mining District (Flagstaff Hill area), El Dorado County, California, USAi
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Latitude & Longitude (WGS84):
38° 47' 22'' North , 121° 5' 23'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Granite Bay | 20,402 (2011) | 7.1km |
| Loomis | 6,733 (2017) | 9.6km |
| Penryn | 831 (2011) | 9.8km |
| Newcastle | 1,224 (2011) | 10.1km |
| El Dorado Hills | 42,108 (2011) | 11.5km |
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 |
|---|---|---|
| Roseville Rock Rollers | Roseville, California | 18km |
| El Dorado County Mineral and Gem Society | Placerville, California | 26km |
| Gold Country Treasure Seekers | Placerville, California | 26km |
| Fossils for Fun Society, Inc. | North Highlands, California | 27km |
| Sacramento Valley Detecting Buffs | North Highlands, California | 27km |
A Cr deposit located in sec. 21, T11N, R8E, MDM, about 0.3 km (0.2 mile) S of Shirttail Hill and about 10 miles NE of Folsom [Sacramento County].
NOTE: This locality is not listed in the USGS MRDS database. Geographic coordinates provided are approximate to the center of sec. 21.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Magnesiochromite Formula: MgCr2O4 References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Magnesiochromite | 4.BB.05 | MgCr2O4 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Magnesiochromite | MgCr2O4 |
| Mg | Magnesium | |
| Mg | ⓘ Magnesiochromite | MgCr2O4 |
| Cr | Chromium | |
| Cr | ⓘ Magnesiochromite | MgCr2O4 |
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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