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Twisp Mining District, Okanogan County, Washington, USAi
Regional Level Types
Twisp Mining DistrictMining District
Okanogan CountyCounty
WashingtonState
USACountry

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PhotosMapsSearch
07567990016151052647275.jpg
Crescent Dump

Crescent Prospect, Twisp Mining District, Okanogan County, Washington, USA
02730870016348042523290.jpg
Alder Workings

Alder Mine, Twisp Mining District, Okanogan County, Washington, USA
07567990016151052647275.jpg
Crescent Dump

Crescent Prospect, Twisp Mining District, Okanogan County, Washington, USA
02730870016348042523290.jpg
Alder Workings

Alder Mine, Twisp Mining District, Okanogan County, Washington, USA
07567990016151052647275.jpg
Crescent Dump

Crescent Prospect, Twisp Mining District, Okanogan County, Washington, USA
02730870016348042523290.jpg
Alder Workings

Alder Mine, Twisp Mining District, Okanogan County, Washington, USA
Neighbouring regions:
Mazama Mining District, Okanogan County, Washington, USA
Chewuch Mining District, Okanogan County, Washington, USA
Conconully Mining District, Okanogan County, Washington, USA
Malott Mining District, Okanogan County, Washington, USA
Type:
Mining District
Largest Settlements:
PlacePopulation
Twisp942 (2017)
Winthrop420 (2017)
Mindat Locality ID:
48831
Long-form identifier:
mindat:1:2:48831:7
GUID (UUID V4):
fd03099e-79e7-471b-8694-e8d9252620c0
Other/historical names associated with this locality:
Chloride Mining District


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

18 valid minerals.

Detailed Mineral List:

β“˜ Acanthite
Formula: Ag2S
β“˜ Arsenopyrite
Formula: FeAsS
β“˜ Azurite
Formula: Cu3(CO3)2(OH)2
Habit: crusts
Colour: bright blue
β“˜ Calcite
Formula: CaCO3
β“˜ Chalcanthite
Formula: CuSO4 · 5H2O
Habit: large crusts
Colour: pale blue
β“˜ Chalcocite
Formula: Cu2S
β“˜ Chalcopyrite
Formula: CuFeS2
Localities: Reported from at least 7 localities in this region.
β“˜ Chlorargyrite
Formula: AgCl
β“˜ Copper
Formula: Cu
β“˜ Galena
Formula: PbS
β“˜ Gold
Formula: Au
β“˜ Malachite
Formula: Cu2(CO3)(OH)2
β“˜ Pyrite
Formula: FeS2
Localities: Reported from at least 6 localities in this region.
β“˜ Pyrrhotite
Formula: Fe1-xS
β“˜ Pyrrhotite var. Nickel-bearing Pyrrhotite
Formula: (Fe,Ni)7S8
β“˜ Quartz
Formula: SiO2
β“˜ Sphalerite
Formula: ZnS
β“˜ Stephanite
Formula: Ag5SbS4
β“˜ Sylvanite ?
Formula: AgAuTe4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
β“˜Copper1.AA.05Cu
β“˜Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
β“˜Chalcocite2.BA.05Cu2S
β“˜Acanthite2.BA.35Ag2S
β“˜Sphalerite2.CB.05aZnS
β“˜Chalcopyrite2.CB.10aCuFeS2
β“˜Pyrrhotite2.CC.10Fe1-xS
β“˜var. Nickel-bearing Pyrrhotite2.CC.10(Fe,Ni)7S8
β“˜Galena2.CD.10PbS
β“˜Sylvanite ?2.EA.05AgAuTe4
β“˜Pyrite2.EB.05aFeS2
β“˜Arsenopyrite2.EB.20FeAsS
β“˜Stephanite2.GB.10Ag5SbS4
Group 3 - Halides
β“˜Chlorargyrite3.AA.15AgCl
Group 4 - Oxides and Hydroxides
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Azurite5.BA.05Cu3(CO3)2(OH)2
β“˜Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Chalcanthite7.CB.20CuSO4 Β· 5H2O

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Localities in this Region

USA
USA

Other Regions, Features and Areas that Intersect

North America
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
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