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West Fork Mine, West Fork, Viburnum Trend District, Reynolds Co., Missouri, USAi
Regional Level Types
West Fork MineMine
West Fork- not defined -
Viburnum Trend DistrictMining District
Reynolds Co.County
MissouriState
USACountry

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Key
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Latitude & Longitude (WGS84): 37° 29' 31'' North , 91° 6' 37'' West
Latitude & Longitude (decimal): 37.49196,-91.11031
GeoHash:G#: 9yxjq9pqr
Locality type:Mine
Köppen climate type:Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Bunker400 (2017)9.6km
Centerville188 (2017)14.8km
Viburnum662 (2017)24.9km
Ellington960 (2017)30.5km
Annapolis345 (2017)39.3km


A Pb-Zn-Ag-Cu occurrence/mine located 0.1 km (0.0 mile) E of West Fork (proper) and 14.4 km (9.0 miles) WNW of Centerville. The mine was initially developed and operated by ASARCO, Inc., and sold to The Doe Run Company in 1998.

Reached full production of 3,400 tons/day of ore in August 1988. Produces 46,000 tons Pb, 6,800 tons Zn, 3,900 kg Ag per year.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

'Bravoite'
Formula: (Fe,Ni)S2
Reference: Econ Geol (1992) 87:113-124
Calcite
Formula: CaCO3
Reference: R&M 73:2 pp 98-117; Econ Geol (1992) 87:113-124
Chalcopyrite
Formula: CuFeS2
Reference: R&M 73:2 pp 98-117; Econ Geol (1992) 87:113-124
Dickite
Formula: Al2(Si2O5)(OH)4
Reference: U.S. Geological Survey,2005, Mineral Resources Data System: U.S Geological Survey,Reston, Virginia
Dolomite
Formula: CaMg(CO3)2
Reference: R&M 73:2 pp 98-117; Econ Geol (1992) 87:113-124
Galena
Formula: PbS
Reference: Econ Geol. (1995) 90:228-245; Econ Geol (1992) 87:113-124
Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: U.S. Geological Survey,2005, Mineral Resources Data System: U.S Geological Survey,Reston, Virginia
Linnaeite
Formula: Co2+Co3+2S4
Reference: U.S. Geological Survey,2005, Mineral Resources Data System: U.S Geological Survey,Reston, Virginia
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Kevin Conroy Collection
Marcasite
Formula: FeS2
Reference: R&M 73:2 pp 98-117; Econ Geol. (1995) 90:228-245; Econ Geol (1992) 87:113-124
Pyrite
Formula: FeS2
Reference: R&M 73:2 pp 98-117; Econ Geol. (1995) 90:228-245; Econ Geol (1992) 87:113-124
Quartz
Formula: SiO2
Reference: Bill Morgenstern - Personal Collection
Siegenite
Formula: CoNi2S4
Reference: R&M 73:2 pp 98-117; Econ Geol (1992) 87:113-124
Sphalerite
Formula: ZnS
Reference: R&M 73:2 pp 98-117; Econ Geol. (1995) 90:228-245; Econ Geol (1992) 87:113-124; Econ Geol (1992) 87:1897-1905
Wurtzite
Formula: (Zn,Fe)S
Reference: R&M 73:2 pp 98-117; Econ Geol (1992) 87:113-124

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Linnaeite2.DA.05Co2+Co3+2S4
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Siegenite2.DA.05CoNi2S4
Sphalerite2.CB.05aZnS
Wurtzite2.CB.45(Zn,Fe)S
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 9 - Silicates
Dickite9.ED.05Al2(Si2O5)(OH)4
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified Minerals, Rocks, etc.
'Bravoite'-(Fe,Ni)S2

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
Wurtzite2.8.7.1(Zn,Fe)S
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 3:4
Linnaeite2.10.1.1Co2+Co3+2S4
Siegenite2.10.1.6CoNi2S4
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Dickite71.1.1.1Al2(Si2O5)(OH)4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Bravoite'-(Fe,Ni)S2
Kaolinite-Al2(Si2O5)(OH)4

List of minerals for each chemical element

HHydrogen
H DickiteAl2(Si2O5)(OH)4
H KaoliniteAl2(Si2O5)(OH)4
H MalachiteCu2(CO3)(OH)2
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C MalachiteCu2(CO3)(OH)2
OOxygen
O CalciteCaCO3
O DolomiteCaMg(CO3)2
O QuartzSiO2
O DickiteAl2(Si2O5)(OH)4
O KaoliniteAl2(Si2O5)(OH)4
O MalachiteCu2(CO3)(OH)2
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al DickiteAl2(Si2O5)(OH)4
Al KaoliniteAl2(Si2O5)(OH)4
SiSilicon
Si QuartzSiO2
Si DickiteAl2(Si2O5)(OH)4
Si KaoliniteAl2(Si2O5)(OH)4
SSulfur
S GalenaPbS
S ChalcopyriteCuFeS2
S MarcasiteFeS2
S PyriteFeS2
S SiegeniteCoNi2S4
S SphaleriteZnS
S Wurtzite(Zn,Fe)S
S Bravoite(Fe,Ni)S2
S LinnaeiteCo2+Co23+S4
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
FeIron
Fe ChalcopyriteCuFeS2
Fe MarcasiteFeS2
Fe PyriteFeS2
Fe Bravoite(Fe,Ni)S2
CoCobalt
Co SiegeniteCoNi2S4
Co LinnaeiteCo2+Co23+S4
NiNickel
Ni SiegeniteCoNi2S4
Ni Bravoite(Fe,Ni)S2
CuCopper
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
ZnZinc
Zn SphaleriteZnS
Zn Wurtzite(Zn,Fe)S
PbLead
Pb GalenaPbS

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

Paleozoic
251.902 - 541 Ma



ID: 3187973
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 541 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]

Furongian
485.4 - 497 Ma



ID: 2822348
Eminence Dolomite, Potosi Dolomite

Age: Furongian (485.4 - 497 Ma)

Stratigraphic Name: Eminence Dolomite; Potosi Dolomite

Description: Eminence Dolomite - dolomite with some druse - coated chert. Potosi Dolomite - dolomite with abundance of druse - coated chert.

Comments: Eminence Dolomite- (350 ft. max) massive bedded dolomite with some chert blocks, boulders and nodules; Potosi Dolomite- (300 ft. max) massive bedded dolomite with abundant quart druse chert. Some copper production at contact of Eminence Dolomite with Precambrian rhyolite. Original map source: Missouri Department of Natural Resources, Geological Survey and Resource Assessment Division, 2005, Bedrock geology, State of Missouri: Missouri Department of Natural Resources, scale 1:500,000.

Lithology: Major:{dolostone}, Minor:{chert}

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]

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Mining Annual Review (1985): 323.
Minerals Yearbook (1988) - Zinc: 2.
Rocks & Minerals (1989): 64: 23.
Mavrogenes, J.A., Hagni, R.D., and Dingess, P.R. (1992) Mineralogy, paragenesis, and mineral zoning of the West Fork Mine, Viburnum Trend, Southeast Missouri, Economic Geology: 87 (1): 113-124.
Lapis (1992): 17(1): 15-23.
Economic Geology (1995): 90: 228-245.
Rocks & Minerals (1998): 73(2): 98-117.
American Mineral Treasures (2008), Lithographie, LLC: 66-73.


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