Lone Jack Placer Mine, Lost Basin Mining District, Mohave County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Lone Jack Placer Mine | Mine |
| Lost Basin Mining District | Mining District |
| Mohave County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
35° 53' 45'' North , 114° 6' 12'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Meadview | 1,224 (2011) | 12.2km |
| White Hills | 323 (2011) | 31.8km |
| Dolan Springs | 2,033 (2011) | 37.1km |
| Chloride | 271 (2011) | 54.2km |
| Valle Vista | 1,659 (2017) | 58.2km |
A placer Au occurrence/mine located in the SW¼SW¼ sec. 15, T29N, R17W, G&SRM, SSW of Meadview proper, on Bureau of land Management administered land. Owned & operated by J. E. Terral, Arizona (1945). Worked heavily in the late 1950's. The USGS MRDS database stated accuracy for this locality is 500 meters.
Yellow-gray, distinctly foliated to laminated quartzofeldspathic, medium-grained gneiss is the dominant clast type. Sub-angular to sub-rounded boulders as much as 0.6 meters diameter are common. Pyritic vein quartz is present but uncommon, and some pyritic and feldspathic altered wall rock of quartzofeldspathic gneiss is present. Gold and limonite pseudomorphs after pyrite were found northward. Reportedly gold fragments greater than 1 mm were very common. Local rocks include Pliocene to middle Miocene deposits.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
2 valid minerals.
Detailed Mineral List:
| ⓘ 'Limonite' Description: As pseudomorphs after pyrite. |
| ⓘ Native Gold Formula: Au Description: Placer gold with fragments > 1mm. |
| ⓘ Pyrite Formula: FeS2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
| S | Sulfur | |
|---|---|---|
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10259427 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Basin and Range BasinsBasin
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
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