Big Horn prospect, Red Raven Wash, Ocotillo Mine Group, Yuma County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Big Horn prospect | Prospect |
| Red Raven Wash | Wash |
| Ocotillo Mine Group | Group of Mines |
| Yuma County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
33° 21' 5'' North , 113° 53' 8'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Brenda | 676 (2011) | 36.9km |
| La Paz Valley | 699 (2011) | 41.5km |
| Vicksburg | 597 (2011) | 45.4km |
| Quartzsite | 3,626 (2017) | 47.2km |
| Salome | 1,530 (2011) | 54.0km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Quartzsite Roadrunners Gem & Mineral Club | Quartzsite, Arizona | 47km |
A Au prospect/mine located in SW¼ sec. 11, T1S, R16W, near Ocotillo, in the northern Kofa Mountains, on federal land.
Mineralization is spotty, finely divided, free gold in fractures and breccia with gouge, calcite, and iron and manganese oxides, in andesitic volcanics. Several small shear zones in the andesite porphyry stained with Fe & Mn oxides. A shear zone several feet wide, with 2 inches of slickensided gouge exposed in the shaft. Country rock is andesite porphyry in gray,brown or purple and containing abundant altered calcic feldspars in a dense groundmass.
Workings include a 120 foot tunnel that connects with a shaft 35 feet below the collar. The tunnel is driven N.25ºE.'
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Native Gold Formula: Au Description: As finely divided free gold in fractures and breccia with gouge, calcite, & Fe & Mn oxides in andesitic volcanics. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
List of minerals for each chemical element
| C | Carbon | |
|---|---|---|
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10210334 |
|---|
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
USA
- Arizona
- Kofa National Wildlife RefugeWildlife Refuge
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