Holst-Weeks prospect (Holst-Weeks deposit), West Mayacmas Mining District, Sonoma County, California, USAi
| Regional Level Types | |
|---|---|
| Holst-Weeks prospect (Holst-Weeks deposit) | Prospect |
| West Mayacmas Mining District | Mining District |
| Sonoma County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 29' 10'' North , 122° 35' 2'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Kenwood | 1,028 (2011) | 8.7km |
| Saint Helena | 5,814 (2013) | 10.1km |
| Calistoga | 5,330 (2017) | 10.3km |
| Deer Park | 1,267 (2011) | 11.2km |
| Santa Rosa | 174,972 (2017) | 12.4km |
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 |
|---|---|---|
| Santa Rosa Mineral And Gem Society, Inc. | Santa Rosa, California | 12km |
A Mn occurrence/prospect located in sec. 1, T7N, R7W, MDM, about 3 miles NE of the Skyhawks Community neighborhood of Santa Rosa and W of St. Helana (Napa County).
A Franciscan Mn deposit.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsGallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 9 - Silicates | |||
|---|---|---|---|
| ⓘ | Neotocite | 9.ED.20 | (Mn,Fe)SiO3 · H2O (?) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Neotocite | (Mn,Fe)SiO3 · H2O (?) |
| O | Oxygen | |
| O | ⓘ Neotocite | (Mn,Fe)SiO3 · H2O (?) |
| Si | Silicon | |
| Si | ⓘ Neotocite | (Mn,Fe)SiO3 · H2O (?) |
| Mn | Manganese | |
| Mn | ⓘ Neotocite | (Mn,Fe)SiO3 · H2O (?) |
| Fe | Iron | |
| Fe | ⓘ Neotocite | (Mn,Fe)SiO3 · H2O (?) |
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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