Oat Hill Mines, Aetna Springs, East Mayacmas Mining District, Napa County, California, USAi
| Regional Level Types | |
|---|---|
| Oat Hill Mines | Group of Mines |
| Aetna Springs | Group of Springs |
| East Mayacmas Mining District | Mining District |
| Napa County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
38° 40' 30'' North , 122° 31' 37'' West
Latitude & Longitude (decimal):
Type:
Group of Mines
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Middletown | 1,323 (2011) | 11.5km |
| Calistoga | 5,330 (2017) | 11.6km |
| Angwin | 3,051 (2011) | 12.9km |
| Hidden Valley Lake | 5,579 (2011) | 15.0km |
| Deer Park | 1,267 (2011) | 16.6km |
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 | 31km |
A former Hg mine complex located in secs. 27, 28, 33 & 34, T10N, R5W, MDM, 4.6 km (2.9 miles) WNW of Aetna Springs.
Mineralization is Hg deposits associated with fault structures and the borders of serpentine masses. Pyrite is always a common accessory mineral.
Workings featured 20 miles of underground tunneling.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Calomel Formula: [Hg2]2+Cl2 Colour: White Description: Occurs as coatings on metacinnabar. |
| ⓘ Cinnabar Formula: HgS Description: Occurs as veins and veinlets with minor metacinnabar and mercury in Franciscan sandstone, shale of the Great Valley sequence and serpentine. References: |
| ⓘ Epsomite Formula: MgSO4 · 7H2O Description: Occurs as extensive deposits. References: |
| ⓘ Kaolinite Formula: Al2(Si2O5)(OH)4 |
| ⓘ Metacinnabar Formula: HgS Description: Occurs with coatings of calomel. |
| ⓘ Millerite Formula: NiS |
| ⓘ Native Mercury Formula: Hg |
| ⓘ Native Sulphur Formula: S8 |
| ⓘ Pyrite Formula: FeS2 Description: A very common accessory mineral. |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Mercury | 1.AD.05 | Hg |
| ⓘ | Native Sulphur | 1.CC.05 | S8 |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Metacinnabar | 2.CB.05a | HgS |
| ⓘ | Millerite | 2.CC.20 | NiS |
| ⓘ | Cinnabar | 2.CD.15a | HgS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 3 - Halides | |||
| ⓘ | Calomel | 3.AA.30 | [Hg2]2+Cl2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Epsomite | 7.CB.40 | MgSO4 · 7H2O |
| Group 9 - Silicates | |||
| ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
| Unclassified | |||
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Epsomite | MgSO4 · 7H2O |
| H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| O | Oxygen | |
| O | ⓘ Epsomite | MgSO4 · 7H2O |
| O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Mg | Magnesium | |
| Mg | ⓘ Epsomite | MgSO4 · 7H2O |
| Al | Aluminium | |
| Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | Silicon | |
| Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| S | Sulfur | |
| S | ⓘ Cinnabar | HgS |
| S | ⓘ Epsomite | MgSO4 · 7H2O |
| S | ⓘ Metacinnabar | HgS |
| S | ⓘ Millerite | NiS |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Native Sulphur | S8 |
| Cl | Chlorine | |
| Cl | ⓘ Calomel | [Hg2]2+Cl2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Ni | Nickel | |
| Ni | ⓘ Millerite | NiS |
| Hg | Mercury | |
| Hg | ⓘ Calomel | [Hg2]2+Cl2 |
| 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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