Unnamed W mine [4] (Unnamed prospect No. 2; Unnamed mine; Unnamed location), Ocotillo, Imperial County, California, USAi
| Regional Level Types | |
|---|---|
| Unnamed W mine [4] (Unnamed prospect No. 2; Unnamed mine; Unnamed location) | Mine |
| Ocotillo | - not defined - |
| Imperial County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
32° 39' 50'' North , 115° 59' 15'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Ocotillo | 266 (2011) | 8.3km |
| Rumorosa | 1,836 (2018) | 16.8km |
| Jacumba Hot Springs | 561 (2014) | 19.6km |
| Ejido Jacumé | 290 (2013) | 20.8km |
| Boulevard | 315 (2011) | 26.8km |
A W occurrence/prospect/mine located in the NW¼NW¼ sec. 20, T17S, R10E, SBM, 8.3 km (5.2 miles) S of Ocotillo, W of Davies Valley, on Bureau of Land Management administered land. MRDS database stated accuracy for this location is 10 meters.
Mineralization is hosted in limestone. The ore body strikes N5W and dips 25 SW. The hanging wall and footwall rock is quartz-muscovite-biotite schist. The tactite zone is discontinuous but exposed in 2 localities 800 feet apart. Local rocks include pre-Cenozoic granitic and metamorphic rocks undivided.
Workings include underground openings with a length of 10.67 meters and comprised of aa 25 foot inclined shaft at the top of the ridge plus a 10 foot vertical shaft sunk 800 feet SW of the incline.
Little or no production occurred.
Mineralization is hosted in limestone. The ore body strikes N5W and dips 25 SW. The hanging wall and footwall rock is quartz-muscovite-biotite schist. The tactite zone is discontinuous but exposed in 2 localities 800 feet apart. Local rocks include pre-Cenozoic granitic and metamorphic rocks undivided.
Workings include underground openings with a length of 10.67 meters and comprised of aa 25 foot inclined shaft at the top of the ridge plus a 10 foot vertical shaft sunk 800 feet SW of the incline.
Little or no production occurred.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
2 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| Unclassified | |||
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | Oxygen | |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| F | Fluorine | |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Mg | Magnesium | |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | Aluminium | |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| K | Potassium | |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ti | Titanium | |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | Iron | |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Other Databases
| Link to USGS MRDS: | 10035296 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Sonoran DesertDesert
North America Plate
- Franciscan DomainDomain
- Peninsular Ranges BatholithVolcanic Arc
- Southern California Borderland BasinsBasin
Pacific PlateTectonic Plate
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