Unnamed Cr occurrence [6], Cobb, East Mayacmas Mining District, Lake County, California, USAi
| Regional Level Types | |
|---|---|
| Unnamed Cr occurrence [6] | Occurrence |
| Cobb | - not defined - |
| East Mayacmas Mining District | Mining District |
| Lake County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 48' 34'' North , 122° 43' 54'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Cobb | 1,778 (2011) | 1.6km |
| Middletown | 1,323 (2011) | 12.0km |
| Hidden Valley Lake | 5,579 (2011) | 15.0km |
| Lower Lake | 1,294 (2011) | 15.4km |
| Clear Lake Riviera | 3,090 (2017) | 16.1km |
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 |
|---|---|---|
| Santa Rosa Mineral And Gem Society, Inc. | Santa Rosa, California | 41km |
A Cr occurrence located in the NE¼SW¼ sec. 3, T11N, R8W, MDM, 1.6 km (5,200 feet) SSW of Cobb, near the Gobb Valley School, on land of unknown ownership. NOTE: The USGS MRDS database states that accuracy for this locality is 500 meters.
Mineralization is associated with Quaternary volcanic flow rocks, unit 3 (Clear Lake Volcanic Field).
Workings include underground openings.
Mineralization is associated with Quaternary volcanic flow rocks, unit 3 (Clear Lake Volcanic Field).
Workings include underground openings.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- California Coast RangesAccretionary Complex
- Franciscan DomainDomain
USA
- California
- Mayacamas MountainsMountain Range
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