Eureka Mine (Flagstaff Mine), Castle Rock Springs area, West Mayacmas Mining District, Sonoma County, California, USAi
| Regional Level Types | |
|---|---|
| Eureka Mine (Flagstaff Mine) | Mine |
| Castle Rock Springs area | Area |
| West Mayacmas Mining District | Mining District |
| Sonoma County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 46' 2'' North , 122° 45' 51'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Cobb | 1,778 (2011) | 7.1km |
| Middletown | 1,323 (2011) | 13.0km |
| Geyserville | 862 (2011) | 13.7km |
| Hidden Valley Lake | 5,579 (2011) | 18.4km |
| Healdsburg | 11,742 (2017) | 19.7km |
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 | 37km |
A former Hg mine located in sec. 32, T11N, R8W, MDM, 4.1 km (2.5 miles) W of Castle Rock Springs.
Mineralization is a deposit hosted in serpentinite along a sandstone-serpentine contact.
Production data are found in: Holmes (1965).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Cinnabar Formula: HgS |
| ⓘ Metacinnabar Formula: HgS References: |
| ⓘ Native Mercury Formula: Hg |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Mercury | 1.AD.05 | Hg |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Metacinnabar | 2.CB.05a | HgS |
| ⓘ | Cinnabar | 2.CD.15a | HgS |
| 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 |
| S | Sulfur | |
| S | ⓘ Cinnabar | HgS |
| S | ⓘ Metacinnabar | HgS |
| Hg | Mercury | |
| Hg | ⓘ Cinnabar | HgS |
| Hg | ⓘ Native Mercury | Hg |
| Hg | ⓘ Metacinnabar | HgS |
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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