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Minnie Mine, Methow Mining District, Okanogan County, Washington, USAi
Regional Level Types
Minnie MineMine
Methow Mining DistrictMining District
Okanogan CountyCounty
WashingtonState
USACountry

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Latitude & Longitude (WGS84):
48° 15' 51'' North , 120° 3' 22'' West
Latitude & Longitude (decimal):
48.26430,-120.05622
GRN:
N33W58
Type:
Mine
Köppen climate type:
Dsb : Warm, dry-summer continental climate
Nearest Settlements:
PlacePopulationDistance
Twisp942 (2017)12.1km
Winthrop420 (2017)25.6km
Malott487 (2011)25.9km
Pateros668 (2017)26.3km
Brewster2,354 (2017)27.7km
Mindat Locality ID:
18082
Long-form identifier:
mindat:1:2:18082:2
GUID (UUID V4):
0


A gold mine near Leecher Canyon. It was developed by several adits, cuts, and a pit. The ore occurred as a vein paralleling the dip of schists with limestone bands. Multiple carloads of ore were produced.
Tectonics: Cascade Volcanic Arc

Commodity: Unknown tungston values in 1941 and 1945 production.

Deposit: Leached and honeycombed quartz vein parallel to metamorphic fabric

Deposit type: Polymetallic veins

Development: HOUSE BUILT IN 1951. DEVELOPMENT IN 1967, 1968, 1969-1970.

Geology: Deposit lies withing 1000 ft of the cretaceous summit-frazer gneiss

Rock formation(s): Leecher Metamorphics;Leecher Metamorphics;Leecher Metamorphics


Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


10 valid minerals.

Rock Types Recorded


Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Dolomite
Formula: CaMg(CO3)2
Habit: granular masses
Colour: white to pink
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Gypsum var. Selenite
Formula: CaSO4 · 2H2O
ⓘ Marcasite
Formula: FeS2
ⓘ Native Gold
Formula: Au
ⓘ Native Sulphur
Formula: S8
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘDolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘvar. Selenite7.CD.40CaSO4 · 2H2O
ⓘScheelite7.GA.05Ca(WO4)

List of minerals for each chemical element

HHydrogen
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Gypsum var. SeleniteCaSO4 · 2H2O
CCarbon
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ DolomiteCaMg(CO3)2
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ QuartzSiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ Gypsum var. SeleniteCaSO4 · 2H2O
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ ChalcopyriteCuFeS2
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ MarcasiteFeS2
Sⓘ PyriteFeS2
Sⓘ SphaleriteZnS
Sⓘ Native SulphurS8
Sⓘ Gypsum var. SeleniteCaSO4 · 2H2O
CaCalcium
Caⓘ DolomiteCaMg(CO3)2
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ ScheeliteCa(WO4)
Caⓘ Gypsum var. SeleniteCaSO4 · 2H2O
FeIron
Feⓘ ChalcopyriteCuFeS2
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ SphaleriteZnS
WTungsten
Wⓘ ScheeliteCa(WO4)
AuGold
Auⓘ Native GoldAu

Other Databases

Link to USGS MRDS:10008894

Other Regions, Features and Areas containing this locality

North AmericaContinent
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.

References

Culver, H.E. and Broughton, W.A. (1945),Tungsten Resources of Washington. Washington Division of Mines and Geology Bulletin #34, 113 p.
Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.
Cannon, Bart (1975) Minerals of Washington. Cordilleran. 184 pp.
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