Black Magic Mines (Emma deposit; Ruby J. Mine), Owl Hole Springs, Owlshead Mountains, San Bernardino County, California, USAi
| Regional Level Types | |
|---|---|
| Black Magic Mines (Emma deposit; Ruby J. Mine) | Group of Mines |
| Owl Hole Springs | Group of Springs |
| Owlshead Mountains | Mountain Range |
| San Bernardino County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
35° 40' 21'' North , 116° 40' 49'' West
Latitude & Longitude (decimal):
Type:
Group of Mines
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Tecopa | 150 (2011) | 45.3km |
| Fort Irwin | 8,845 (2011) | 45.6km |
A former Fe-Mn-Al-P-S-silica occurrence/mine located in the SE¼ sec. 29, T19N, R3E, SBM, 4.7 km (2.9 miles) NW of Owl Hole Springs, in the SW part of the Owlshead Mountains (located claim when land was Bureau of Land Management administered), on National Park Service land (Death Valley National Park). Discovered in 1916. First produced in 1942. Formerly owned by the estate of Harold W. Orwig. MRDS database stated accuracy for this location is 10 meters. This property was part of the Black Magic Manganese Mine. No other information is available.
Mineralization is hosted in granite and limestone. An ore body is 18 meters thick, 4 meters wide and 366 meters long. Another (?) ore body strikes N70W and dips 90S at a thickness of 30 meters, a depth-to-top of 3 meter5s, a width of 6 meters and a length of 65 meters. Ore body No. 1 is a fissure vein and irregular. Ore body No. 2 is a shear zone and ore body No. 3 is a breccia fill. The primary mode of origin was contact metasomatism. The secondary mode of origin was hydrothermal activity. The primary ore control was igneous activity. The secondary control was faulting. Wallrock alteration is slight (bleaching, intermediate argillic and sericitic). Local rocks include pre-Cenozoic granitic and metamorphic rocks undivided.
Workings include surface openings comprised of 180 feet of open cuts.
Analytical data results: Samples reportedly indicate 50% Fe.
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Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities6 valid minerals.
Rock Types Recorded
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Rock list contains entries from the region specified including sub-localities
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Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Pyrolusite | 4.DB.05 | Mn4+O2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| Group 9 - Silicates | |||
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| Unclassified | |||
| ⓘ | 'Psilomelane' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Pyrolusite | Mn4+O2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Al | Aluminium | |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| S | Sulfur | |
| S | ⓘ Baryte | BaSO4 |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Mn | Manganese | |
| Mn | ⓘ Pyrolusite | Mn4+O2 |
| Fe | Iron | |
| Fe | ⓘ Hematite | Fe2O3 |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
Other Databases
| Link to USGS MRDS: | 10095282 |
|---|
Localities in this Region
- California
- San Bernardino County
- Owlshead Mountains
- Owl Hole Springs
- Black Magic Mines (Emma deposit; Ruby J. Mine)
- Owl Hole Springs
- Owlshead Mountains
- San Bernardino County
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
USA
- Death Valley National ParkNational Park
- Sierra NevadaMountain Range
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References
Black Magic Mines, Owl Hole Springs, Owlshead Mountains, San Bernardino County, California, USA