Volunteer Mine (Volunteer group of claims; Volunteer Group Mine), Quartz Peak, Paymaster Mining District, Chocolate Mountains, Imperial County, California, USAi
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Latitude & Longitude (WGS84):
33° 6' 11'' North , 114° 50' 11'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Cibola | 250 (2011) | 28.6km |
| Palo Verde | 171 (2011) | 37.9km |
| Winterhaven | 394 (2011) | 44.6km |
| Avenue B and C | 4,176 (2017) | 45.8km |
| Los Algodones | 4,874 (2015) | 45.8km |
A former Cu-Au-Ag occurrence/mine located in the NE¼ sec. 26, T12S, R20E, SBM, 2.0 km (1.2 miles) NW of Quartz Mountain (coordinates of record), just W of the N end of Peter Kane Mountain. MRDS database stated accuracy for this location is 100 meters.
NOTE: USGS MRDS database file #10103012 presents geographic coordinates of 33.11285, -114.94052 that place the locality in section 23, T12S, R20E, SBM. There are no mining symbols on the topo map for that location; however, the coordinates presented in MRDS file #10212179 place it among prospect pit symbols and was the basis for location data in this Mindat file.
Mineralization is hosted in quartz monzonite. The ore body strikes N and dips 80E at a width of 3.05 meters. An oblong, NW-trending body of quartz monzonite about 1,000 feet wide and 2,600 feet long occurs here. Several narrow, elongate aplite dikes cut the quartz monzonite in the mine area. Mineralization occurs in a few short, narrow, parallel shear zones. The principal zone is 8 to 10 feet wide and can be traced for several tens of feet. Controls for ore emplacement included fractures and shear zones. Local rocks include Precambrian igneous and metamorphic rock complex.
Workings include surface and underground openings with an overall depth of 21.34 meters and comprised of one prospect hole, several small shafts 10 feet in depth. The main shaft is 70 feet deep on a fracture in monzonite that strikes N and dips 70E plus several pits and cuts.
Analytical data results: 2% to 10% Cu; $5 (period values) in Au & Ag per ton.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
3 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:
| ⓘ Azurite Formula: Cu3(CO3)2(OH)2 References: |
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Azurite | 5.BA.05 | Cu3(CO3)2(OH)2 |
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Cu | Copper | |
| Cu | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
Other Databases
| Link to USGS MRDS: | 10103012 |
|---|
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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