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Finch Quarry, Chewelah Mining District, Stevens County, Washington, USAi
Regional Level Types
Finch QuarryQuarry
Chewelah Mining DistrictMining District
Stevens CountyCounty
WashingtonState
USACountry

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Latitude & Longitude (WGS84):
48° 14' 48'' North , 117° 49' 10'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Chewelah2,607 (2011)8.4km
Valley146 (2011)10.6km
Addy268 (2011)12.2km
Springdale275 (2017)21.8km
Loon Lake783 (2011)24.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Panorama Gem & Mineral ClubArden, Washington24km
Mindat Locality ID:
17217
Long-form identifier:
mindat:1:2:17217:9
GUID (UUID V4):
6e256c9b-de0e-403a-865f-42b44c95fc40
Other/historical names associated with this locality:
Finch Magnesite Quarry; Finch Mine


A large magnesite mine by Browns Lake SW of Chewelah. The ore occurred as a lens of magnesite 1600' long and from 300' to 650' deep. It operated from 1917 to 1954 and was for a time the largest magnesite mine in Washington, and one of the largest in the country. Ore was produced from multiple quarries, one of which dropped its ore down to a haulage adit. Around 3,000,000 tons of ore was produced. A five mile long aerial tramway connected the mine to the magnesite plant in Chewelah.

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


5 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Magnesite5.AB.05MgCO3
β“˜Dolomite5.AB.10CaMg(CO3)2
β“˜Hydrotalcite5.DA.50Mg6Al2(CO3)(OH)16 Β· 4H2O

List of minerals for each chemical element

HHydrogen
Hβ“˜ HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
CCarbon
Cβ“˜ CalciteCaCO3
Cβ“˜ DolomiteCaMg(CO3)2
Cβ“˜ HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
Cβ“˜ MagnesiteMgCO3
OOxygen
Oβ“˜ CalciteCaCO3
Oβ“˜ DolomiteCaMg(CO3)2
Oβ“˜ HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
Oβ“˜ MagnesiteMgCO3
Oβ“˜ QuartzSiO2
MgMagnesium
Mgβ“˜ DolomiteCaMg(CO3)2
Mgβ“˜ HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
Mgβ“˜ MagnesiteMgCO3
AlAluminium
Alβ“˜ HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
SiSilicon
Siβ“˜ QuartzSiO2
CaCalcium
Caβ“˜ CalciteCaCO3
Caβ“˜ DolomiteCaMg(CO3)2

Other Regions, Features and Areas containing this locality

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.

References

 
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