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 Mine, West Fork, Viburnum Trend District, Reynolds Co., Missouri, USA

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

mindat Locality ID: 26180
mindat URL: http://www.mindat.org/loc-26180.html

Tectonic Settings:

Total number of sublocalities beneath "West Fork Mine, West Fork, Viburnum Trend District, Reynolds Co., Missouri, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 37°29'31"N
Longitude: 91°6'37"W
Decimal Degree (lat, lon): 37.491944444444,-91.110277777778
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 C Ca Co Cu Fe H Mg Ni O Pb S Si Zn 

Elements from minerals reported directly at this locality: Al C Ca Co Cu Fe H Mg Ni O Pb S Si Zn 

Structural Groups for minerals in this locality: 
CalciteChalcopyriteClayKaoliniteMalachiteMarcasiteNonePyriteQuartzRocksalt
SphaleriteSpinelWurtzite

14 IMA Minerals at location:
Calcite  (*)Chalcopyrite  (*)Dickite  (*)Dolomite  (*)Galena  (*)
Kaolinite  (*)Linnaeite  (*)Malachite  (*)Marcasite  (*)Pyrite  (*)
Quartz  (*)Siegenite  (*)Sphalerite  (*)Wurtzite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Calcite  (*)CalciteCa(CO3)497485027770
Chalcopyrite  (*)ChalcopyriteCuFeS2497485027198
Dickite  (*)Clay KaoliniteAl2Si2O5(OH)44974850651
Dolomite  (*)NoneCaMg(CO3)249748509895
Galena  (*)RocksaltPbS497485024243
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)449748505591
Linnaeite  (*)SpinelCo2+Co3+2S44974850249
Malachite  (*)MalachiteCu2(CO3)(OH)2497485012537
Marcasite  (*)MarcasiteFeS249748505674
Pyrite  (*)PyriteFeS2497485039462
Quartz  (*)QuartzSiO2497485061156
Siegenite  (*)SpinelCoNi2S44974850249
Sphalerite  (*)SphaleriteZnS497485021482
Wurtzite  (*)WurtziteZnS4974850372


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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