Last Chance Mine, Republic Mining District, Ferry County, Washington, USAi
| Regional Level Types | |
|---|---|
| Last Chance Mine | Mine |
| Republic Mining District | Mining District |
| Ferry County | County |
| Washington | State |
| USA | Country |
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Latitude & Longitude (WGS84):
48° 39' 55'' North , 118° 44' 51'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Republic | 1,072 (2017) | 2.0km |
| Curlew | 118 (2011) | 26.8km |
| Sion | 658 (2019) | 43.3km |
| Grand Forks | 4,208 (2008) | 46.8km |
| Nespelem | 256 (2017) | 57.9km |
A gold mine north of Republic next to the Insurgent and Lone Pine Mines. It was developed by a 690' deep shaft. Production is reported to be 86,000 tons at 0.35 oz/ton gold and 3.29 oz/ton silver.
Tectonics: Epithermal Deposits Of The Republic District Are Found In The Eocene Sanpoil Volcanics. (See Republic District For Additional Details.)
Deposit: Host rocks for gold deposits of the republic district are dacite and andesite flows, flo W breccias, tuffs, and tuff breccias of the eocene sanpoil volcanics (muessig, 1967, p. 50-51; tschauder, 1989, p. 242). ; info.src : 1 pub lit
Development: ECON.COM: PRODUCED $3,000,000 BY THE END OF 1923; PRODUCED AGAIN IN 1940 (HUNTTING, 1956, P. 122).
Ore(s): The Vein In Andesite Flow Breccia Averages 8 Ft. In Width. Vein Filling Consists Of Chalcedonic Banded Quartz, Calcite, And Fragment Of Country Rock. Ore Was Largely Removed Above The 500-Ft. Level (Huntting, 1956, P. 121). (See Republic District For Additional Details.)
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
4 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 |
| ⓘ Native Gold Formula: Au |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ 'Tetrahedrite Subgroup' Formula: Cu6(Cu4C2+2)Sb4S12S |
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 |
| ⓘ | 'Tetrahedrite Subgroup' | 2.GB.05 | Cu6(Cu4C2+2)Sb4S12S |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| 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 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Cu | Copper | |
| Cu | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Sb | Antimony | |
| Sb | ⓘ Tetrahedrite Subgroup | Cu6(Cu4C22+)Sb4S12S |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Databases
| Link to USGS MRDS: | 10093002 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Columbia MountainsMountain Range
North America PlateTectonic Plate
- Kootenay DomainDomain
- QuesnelliaVolcanic Arc
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