Double Eagle Mine (Gold Leaf Mine), Coyote Wash, Barry M. Goldwater Air Force Range, Wellton Hills, La Posa Mining District (Wellton Mining District; Wellton Hills Mining District), Wellton Hills-Copper Mountains, Yuma County, Arizona, USAi
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
32° 32' 40'' North , 114° 6' 10'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Wellton | 2,936 (2017) | 14.9km |
| Tacna | 602 (2011) | 22.0km |
| Fortuna Foothills | 26,265 (2011) | 31.6km |
| Buckshot | 153 (2017) | 41.7km |
| El Prado Estates | 504 (2017) | 43.1km |
A former underground Au-Ag-Cu mine located in central sec. 22, T10S, R18W, near the West bank of Coyote Wash, southern end of the Wellton Hills, on a military reservation. Started about 1880. Owned at times, or in part, by the Arizona Double Eagle Corp. (1933); Mr. N. Wanamaker (discoverer); and, Fuher.
Mineralization is spotty gold with minor oxidized copper minerals in a lensing, fractured, and iron stained quartz vein, in a sericitized breccia zone in strongly faulted Mesozoic gneiss that strikes Westward and dips at a low angle Southward, broken by several faults. The most prominent fault strikes Westward and dips 57ºN and is accompanied by a shattered, brecciated zone 6 feet diameter. That locally shows abundant sericitic alteration and marked staining by Fe & Cu oxides.
The main Double Eagle vein occurs within the footwall portion of this brecciated zone. Near surface it consists of 1½ feet of fractured, coarsely crystalline, white quartz filled with abundant cellular cavities, commonly filled with black or brown iron oxide.
Workings include a shaft at 100 feet (30.48 meters) deep and a short adit on the main vein; similar workings exist on nearby veins. This mine was worked intermittently from the late 1880's to the ealy 1930's. It produced some 50 or more tons of ore averaging about 1.6 oz. Au/T, 0.8 oz. Ag/T and 0.3% Cu.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Muscovite var. Sericite Formula: KAl2(AlSi3O10)(OH)2 |
| ⓘ Native Gold Formula: Au |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 9 - Silicates | |||
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | var. Sericite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| O | Oxygen | |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| 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 | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| K | ⓘ Muscovite var. Sericite | KAl2(AlSi3O10)(OH)2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10102459 |
|---|
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
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
