Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
West Fork, Viburnum Trend District, Reynolds Co., Missouri, USA

Oldest recorded age at locality: 497
Youngest recorded age at locality: 354

mindat Locality ID: 292662
mindat URL: http://www.mindat.org/loc-292662.html

Tectonic Settings:

Total number of sublocalities beneath "West Fork, Viburnum Trend District, Reynolds Co., Missouri, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Fletcher Mine
West Fork Mine

Latitude: 37°28'45"N
Longitude: 91°6'33"W
Decimal Degree (lat, lon): 37.479166666667,-91.109166666667
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al As C Ca Co Cu Fe H Mg Ni O Pb S Sb Si Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
CalciteChalcopyriteClayCovelliteDigeniteEnargiteKaoliniteMalachiteMarcasiteNone
PyriteQuartzRocksaltSphaleriteSpinelTetrahedriteWurtzite

26 IMA Minerals at location:
Bornite  (*)Calcite  (*)Cattierite  (*)Chalcocite  (*)Chalcopyrite  (*)
Covellite  (*)Dickite  (*)Digenite  (*)Dolomite  (*)Enargite  (*)
Fletcherite  (*)Galena  (*)Kaolinite  (*)Linnaeite  (*)Malachite  (*)
Marcasite  (*)Gersdorffite-Pa3  (*)Polydymite  (*)Pyrite  (*)Quartz  (*)
Siegenite  (*)Sphalerite  (*)Tennantite-(Fe)  (*)Tetrahedrite-(Zn)  (*)Vaesite  (*)
Wurtzite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Bornite  (*)NoneCu5FeS440835412258735516
Calcite  (*)CalciteCa(CO3)4973542225873,22587427770
Cattierite  (*)PyriteCoS2408354122587330
Chalcocite  (*)NoneCu2S40835412258735707
Chalcopyrite  (*)ChalcopyriteCuFeS24973542225873,22587427198
Covellite  (*)CovelliteCuS40835412258734165
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)44973542225873,225874651
Digenite  (*)DigeniteCu1.8S40835412258731027
Dolomite  (*)NoneCaMg(CO3)24973542225873,2258749895
Enargite  (*)Enargite WurtziteCu3AsS44083541225873910
Fletcherite  (*)SpinelCuNi2S4408354122587313
Galena  (*)RocksaltPbS4973542225873,22587424243
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)44973542225873,2258745591
Linnaeite  (*)SpinelCo2+Co3+2S44973542225873,225874249
Malachite  (*)MalachiteCu2(CO3)(OH)2497485122587412537
Marcasite  (*)MarcasiteFeS24973542225873,2258745674
Gersdorffite-Pa3  (*)PyriteNiAsS4083541225873767
Polydymite  (*)SpinelNi2+Ni3+2S44083541225873131
Pyrite  (*)PyriteFeS24973542225873,22587439462
Quartz  (*)QuartzSiO24973542225873,22587461156
Siegenite  (*)SpinelCoNi2S44973542225873,225874249
Sphalerite  (*)SphaleriteZnS4973542225873,22587421482
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S1340835412258731803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1340835412258735317
Vaesite  (*)PyriteNiS24083541225873106
Wurtzite  (*)WurtziteZnS4973542225873,225874372


10 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Kristen002189386386 Rb-Sr glauconiteGD-1A Yes  3866Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USASweetwater MineGrant et al. (1984)10.1016/0009-2541(84)90191-8IG2_217 
Kristen002190379379 Rb-Sr glauconiteGD-1B Yes  3866Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USASweetwater MineGrant et al. (1984)10.1016/0009-2541(84)90191-8IG2_217 
Kristen002191392392 Rb-Sr highglauconiteGD-1C Yes  3866Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USASweetwater MineGrant et al. (1984)10.1016/0009-2541(84)90191-8IG2_217 
Kristen002192392392 Rb-Sr glauconiteGD-1D Yes  3866Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USASweetwater MineGrant et al. (1984)10.1016/0009-2541(84)90191-8IG2_217 
Kristen002193389389 Rb-Sr glauconiteGD-1E Yes  3866Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USASweetwater MineGrant et al. (1984)10.1016/0009-2541(84)90191-8IG2_217 
Kristen002194354354 Rb-Sr glauconiteGD-1WR Yes  3866Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USASweetwater MineGrant et al. (1984)10.1016/0009-2541(84)90191-8IG2_217 
Kristen002195408366387±21Rb-Sr glauconite  Yes  3866Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USASweetwater MineGrant et al. (1984)10.1016/0009-2541(84)90191-8IG2_217 
Kristen002196373363368±5K-Ar glauconiteGD-1A Yes  3866Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USASweetwater MineGrant et al. (1984)10.1016/0009-2541(84)90191-8IG2_217 
Kristen002197374364369±5K-Ar glauconiteGD-1B Yes  3866Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USASweetwater MineGrant et al. (1984)10.1016/0009-2541(84)90191-8IG2_217 
sedexmvt-00240497485Late Cambrian host rock age      26180West Fork Mine, West Fork, Viburnum Trend District, Reynolds Co., Missouri, USAWest ForkTaylor et al. (2009) USGSOFR2009_1297 

SampleSource LocalityReference URL

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