Land group (Big Chief; Calcite), Glamis, Chocolate Mountains Mining District, Chocolate Mountains, Imperial County, California, USAi
| Regional Level Types | |
|---|---|
| Land group (Big Chief; Calcite) | - not defined - |
| Glamis | - not defined - |
| Chocolate Mountains Mining District | Mining District |
| Chocolate Mountains | Mountain Range |
| Imperial County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
33° 3' 43'' North , 114° 59' 15'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Cibola | 250 (2011) | 41.2km |
| Mérida | 505 (2018) | 45.1km |
| Holtville | 6,404 (2017) | 46.1km |
| Los Algodones | 4,874 (2015) | 46.7km |
| Villa Hermosa | 472 (2013) | 47.1km |
A former Au mine located in the SE¼ sec. 5, T13S, R19E, SBM, 10.7 km (6.6 miles) NE of Glamis, W of highway 78. MRDS database stated accuracy for this location is 500 meters. Now a part of the Goldfields Mesquite Mine. The old workings may have been destroyed (subhumed) by the open pit.
Mineralization is a vein deposit hosted in gneiss and schist. The ore body strikes N10W and dips 80NE. The deposit occurs in a fracture zone in gneissic and schistose rocks complexly intruded by fine-grained granitic rock. The fracture zone is about 6 feet wide and contains narrow ramifying veins of calcite, quartz, Fe-oxides and native gold. Local rocks include Precambrian igneous and metamorphic rock complex.
Workings include underground openings comprised of a 100 foot vertical shaft with levels at 50 and 100 feet. The 50 foot level has a 70 foot and a 25 foot drifts to the SE end and NW, respectively. The 100 foot level has a 70 foot and 100 foot drifts to the SE and NW. A small pit is 25 feet in diameter and 15 feet deep 300 feet to the NW exploring a reportedly high-grade pocket.
production information: Less than 100 tons mined.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
4 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Goethite Formula: Fe3+O(OH) |
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Goethite | Fe3+O(OH) |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10099514 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Sonoran DesertDesert
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
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