Commodore Mine, White Pine Mining District, White Pine County, Nevada, USAi
| Regional Level Types | |
|---|---|
| Commodore Mine | Prospect |
| White Pine Mining District | Mining District |
| White Pine County | County |
| Nevada | State |
| USA | Country |
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Latitude & Longitude (WGS84):
39° 11' 22'' North , 115° 30' 44'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Eureka | 610 (2011) | 52.7km |
Other/historical names associated with this locality:
Lani; Badger
Structure: fault zone
Alteration: Ore is silicified and oxidized.
Commodity: Ore Materials: silver sulfides? Gangue Materials: calcite
Deposit: Host rock (Pilot Shale?) is a fine-grained sedimentary rock that is banded with iron oxide coloration, outcropping immediately above and east of the pit. Two ore dump sites are cut into this sedimentary rock, which also forms the NE wall of the pit while a light to medium gray limestone forms the SW wall of the pit. The ore zone appears to have been a pod of silicified carbonate material lying along the flat contact between the shale and limestone units. Rock in pit is maroon-brown to gray in color with black areas and is strongly fractured. Dark brown and white coarse calcite vein. Gray to purple silicified sandy limestone is cut by thin calcite veinlets. Rock is fractured with white silica coating fractures.
Deposit type: Sediment-hosted Au
Development: A small open pit mine was worked during the summers of 1979 and 1980, chiefly for silver with grades running less than 2.0 ounces per ton. About 15,000-20,000 tons of ore were mined. The ore was heap-leached at Hamilton. The mine was operated by Gold Creek Corp., which operated several mines at the time in this part of Nevada.
Geology: Host rock (Pilot Shale?) is a fine-grained sedimentary rock that is banded with iron oxide coloration, outcropping immediately above and east of the pit. Two ore dump sites are cut into this sedimentary rock, which also forms the NE wall of the pit while a light to medium gray limestone forms the SW wall of the pit. The ore zone appears to have been a pod of silicified carbonate material lying along the flat contact between the shale and limestone units. Rock in pit is maroon-brown to gray in color with black areas and is strongly fractured. Dark brown and white coarse calcite vein. Gray to purple silicified sandy limestone is cut by thin calcite veinlets. Rock is fractured with white silica coating fractures.
Ore(s): fault
Commodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.List of minerals for each chemical element
Other Databases
| Link to USGS MRDS: | 10310553 |
|---|
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