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Finch Magnesite Quarry, Chewelah, Chewelah District, Stevens Co., Washington, USAi
Regional Level Types
Finch Magnesite QuarryQuarry
Chewelah- not defined -
Chewelah DistrictMining District
Stevens Co.County
WashingtonState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84):
48° 14' 48'' North , 117° 49' 10'' West
Latitude & Longitude (decimal):
Locality 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


South-West of Chewelah

References
*http://tin.er.usgs.gov/mrds/show.php?labno=10301908

Regions containing this locality

North America PlateTectonic Plate
Rocky Mountains, North AmericaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

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


Mineral List


5 valid minerals.

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: http://tin.er.usgs.gov/mrds/show.php?labno=10301908
Dolomite
Formula: CaMg(CO3)2
Reference: http://tin.er.usgs.gov/mrds/show.php?labno=10301908
Hydrotalcite
Formula: Mg6Al2(CO3)(OH)16 · 4H2O
Reference: Minerals of Washington, Bart Cannon, 1975
Magnesite
Formula: MgCO3
Reference: Inventory of Washington Minerals, Part I, Nonmetalic Minerals, Vol. 1; Marshall T. Huntting, 1956; http://tin.er.usgs.gov/mrds/show.php?labno=10301908
Quartz
Formula: SiO2
Reference: http://tin.er.usgs.gov/mrds/show.php?labno=10301908

List of minerals arranged by Strunz 10th Edition classification

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

List of minerals arranged by Dana 8th Edition classification

Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Magnesite14.1.1.2MgCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16b - HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
Hydrotalcite16b.6.2.1Mg6Al2(CO3)(OH)16 · 4H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
CCarbon
C HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
C MagnesiteMgCO3
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
O MagnesiteMgCO3
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O QuartzSiO2
MgMagnesium
Mg HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
Mg MagnesiteMgCO3
Mg DolomiteCaMg(CO3)2
AlAluminium
Al HydrotalciteMg6Al2(CO3)(OH)16 · 4H2O
SiSilicon
Si QuartzSiO2
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Proterozoic
541 - 2500 Ma



ID: 2909714
Precambrian rocks, undivided

Age: Proterozoic (541 - 2500 Ma)

Stratigraphic Name: Striped Peak Formation; Wallace Formation; Ravalli Group; Prichard Formation; Edna Dolomite; McHale Shale; Togo Formation; Buffalo Hump Formation; No Name Argillite; Skookum Formation; Bead Lake Formation; Huckleberry Formation; Monk Formation; Three Sisters Formation; Maitlen Phyllite

Description: Predominantly phyllite with some schist, limestone, dolomite, quartzite, and volcanic rocks; northeastern Pend Oreille County. Mainly quartzite sandstone in upper part, dark-gray argillite with sandstone and limestone in middle part, and sandstone with argillite in lower part; southeastern Pend Oreille County. Banded slate with quartzite and dolomite; southwestern Stevens County. Quartzite, siliceous argillite, and argilliceous quartzite grading into argillite and quartz-mica schists form south ot north; southeastern Stevens County. Quartzite, argillite, quartz-feldspar gneiss, and other metamorphic rocks in northeastern Whitman and southeastern Spokane Counties are partly if not all extenstions of the Belt strata.

Comments: Belt Supergroup (Striped Peak Formation, Wallace Formation, Ravalli Group, Prichard Formation); Deer Trail Group (Edna Dolomite, McHale Shale, Togo Formation, Buffalo Hump Fomation); Priest River Group; No Name Argillite; Skookum Formation; Bead Lake Formation; Windermere Supergroup (in small part: mostly mapped as units WAPCc (Huckleberry Formation), WAPCv (Huckleberry Foramation), and WAPCph (Monk Formation and Three Sisters Formation)); Maitlen Phyllite (in part) Original map source: Raines, Gary L., and Johnson, Bruce R., 1996, Digital representation of the Washington state geologic map; a contribution to the Interior Columbia River basin ecosystem management project, U.S. Geological Survey Open-file report 95-0684, 20 p., plus digi

Lithology: Major:{argillite,siltstone}, Minor:{quartzite,dolostone,phyllite}, Incidental:{limestone, gneiss, schist, sandstone}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Mesoproterozoic
1000 - 1600 Ma



ID: 3191662
Mesoproterozoic sedimentary rocks

Age: Mesoproterozoic (1000 - 1600 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Mesoproterozoic
1000 - 1600 Ma



ID: 1385032
Stensgar Dolomite, Deer Trail Group

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Stensgar Dolomite

Lithology: Metacarbonate

Reference: Washington State Department of Natural Resources, Division of Geology and Earth Resources. Washington Interactive Geologic Map: 1:100,000 scale. Washington Division of Geology and Earth Resources. [19]

Mesoproterozoic
1000 - 1600 Ma



ID: 2129755
Stensgar Dolomite

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Stensgar Dolomite

Lithology: Major:: {dolomite}; Minor:: {argillite, phyllite}

Reference: Zientek, M.L., P.D. Derkey, R.J. Miller, J.D. Causet et al. Spatial Databases for the Geology of the Northern Rocky Mountains - Idaho, Montana, and Washington. U.S. Geological Survey Open-File Report 2005-1235 Version 1.0. [25]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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