Iron Age Mine (Iron Age deposit), New Dale, San Bernardino County, California, USAi
| Regional Level Types | |
|---|---|
| Iron Age Mine (Iron Age deposit) | Mine |
| New Dale | - not defined - |
| San Bernardino County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
34° 3' 47'' North , 115° 38' 54'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Twentynine Palms | 26,025 (2017) | 38.2km |
| Desert Center | 204 (2011) | 45.1km |
| Thermal | 2,865 (2011) | 65.3km |
| Mecca | 8,577 (2014) | 67.5km |
A former Fe occurrence/mine located in secs. 20, 21 & 29, T1S, R13E, SBM, about 7.3 km ENE of New Dale on the N side of the Pinto Mountains (22 air miles E from Twentynine Palms), on private land. Owned by D. Rhea Igo (estate), Maude Igo Marcus Pluth (estate) and Carrie and R. H. Sayers. Operated by the Ferro Company, George McDonald, H. Evan Roberts and H.B. Alexander. MRDS database stated accuracy for this location is 10 meters.
Mineralization is a vein deposit hosted in granitoid rocks. The ore body strikes N and dips 60W at a width of 4.57 meters and a length of 365.76 meters. Controls for ore emplacement include fissures and brecciated zones. Local rocks include Mesozoic granitic rocks, unit 3 (Sierra Nevada, Death Valley area, Northern Mojave Desert and Transverse Ranges).
Workings include surface openings comprised of open cuts.
Production data are found in: Wright, L.A., etal: 95.
Analytical data results: Assays from 20 samples averaged 67.27% Fe. Other assay reports show 51.62 to 65.18% Fe.
Reserve-Resource data are found in: Wright, L.A. et al: 95.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Epidote Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 |
| ⓘ Goethite Formula: Fe3+O(OH) Description: Occurs in a very small amount. References: |
| ⓘ Hematite Formula: Fe2O3 Description: Occurs in extensive deposits with magnetite as an alteration product from it. References: |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 Description: Occurs in extensive deposit altering to hematite. References: |
| ⓘ Titanite Formula: CaTi(SiO4)O Description: Occurs in considerable amounts. References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 9 - Silicates | |||
| ⓘ | Titanite | 9.AG.15 | CaTi(SiO4)O |
| ⓘ | Epidote | 9.BG.05a | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Unclassified | |||
| ⓘ | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| H | ⓘ Goethite | Fe3+O(OH) |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Magnetite | Fe2+Fe23+O4 |
| O | ⓘ Titanite | CaTi(SiO4)O |
| O | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Al | Aluminium | |
| Al | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | Silicon | |
| Si | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Titanite | CaTi(SiO4)O |
| Si | ⓘ Garnet Group | X3Z2(SiO4)3 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Titanite | CaTi(SiO4)O |
| Ti | Titanium | |
| Ti | ⓘ Titanite | CaTi(SiO4)O |
| Fe | Iron | |
| Fe | ⓘ Epidote | (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Other Databases
| Link to USGS MRDS: | 10103518 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Coast MountainsMountain Range
North America PlateTectonic Plate
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
USA
- California
- Dale District (Virginia Dale District)Mining District
- Pinto MountainsMountain Range
- San Bernardino MountainsMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file #0060710217
