Johnson Mine, Willard Mining District, Pershing County, Nevada, USAi
| Regional Level Types | |
|---|---|
| Johnson Mine | Mine |
| Willard Mining District | Mining District |
| Pershing County | County |
| Nevada | State |
| USA | Country |
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Latitude & Longitude (WGS84):
40° 16' 49'' North , 118° 19' 31'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Other/historical names associated with this locality:
S.P., Ott Heizer Mine, NBMG Sample Site 2579
Sec 19 T28N R33E
Deposit: Consists of two ore bodies. Vein varies in thickness from 6 to 25 inches, averaging 12 inches. Stibnite occurs As pods, veinlets, and fine hairlike crystals, commonly in quartz and calcite stringers. Pyrite present along edge of quartz stringers. Stibnite also occurs along bedding planes in the contorted and ecciated shale wall rock. The stibnite has been partially oxidized to yellow and white sb-oxides near the surface. Vein zone approximately parallels bedding in sedimentary rocks with veins best developed in quartzite bed.; model name could also be: simple sb. Found in 1916. Consists of two ore bodies mined at different times. The southern ore body was first mined in 1916. The northern ore body was not mined till 1946. Deposit is developed by a 264-ft. Inclined shaft from which some 440 feet of drifting and considerable stoping were done. Explored by trenching for 2500 ft. Along shear zone; shaft was sunk on vein to the southeast. ; info.src : 1 pub lit; 2 unpub rept; 3 field observ
Deposit type: Low-sulfide Au-quartz vein
Development: Consists of two ore bodies mined at different times. The southern body was first mined in 1916; the northern in 1946. The deposit was explored by trenching for 2500 ft along shear zone. No activity in 1985.
Geology: Vein varies in thickness from 6 to 25 inches, averaging 12 inches. Stibnite occurs As pods, veinlets, and fine hairlike crystals, commonly in quartz and calcite stringers. Pyrite present along edge of quartz stringers. Stibnite also occurs along bedding planes in the contorted and brecciated ale wall rock. The stibnite has been partially oxidized to yellow and white sb-oxides near the surface.
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
5 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 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Stibiconite Formula: Sb3+Sb5+2O6(OH) |
| ⓘ Stibnite Formula: Sb2S3 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Stibnite | 2.DB.05 | Sb2S3 |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Stibiconite | 4.DH.20 | Sb3+Sb5+2O6(OH) |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Stibiconite | Sb3+Sb25+O6(OH) |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Stibiconite | Sb3+Sb25+O6(OH) |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Stibnite | Sb2S3 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Sb | Antimony | |
| Sb | ⓘ Stibiconite | Sb3+Sb25+O6(OH) |
| Sb | ⓘ Stibnite | Sb2S3 |
Other Databases
| Link to USGS MRDS: | 10042565 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Auld Lang Syne BasinBasin
- Basin and Range BasinsBasin
- Golconda-Roberts Mountain DomainDomain
- Havallah BasinBasin
- Northern Basin and RangeWide Rift
- West Nevada Permian-Triassic BasinBasin
USA
- Nevada
- West Humboldt RangeMountain Range
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