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:
McDermitt Mine, Opalite District, Humboldt Co., Nevada, USA

Oldest recorded age at locality: 16.1
Youngest recorded age at locality: 15.3

mindat Locality ID: 4206
mindat URL: http://www.mindat.org/loc-4206.html

Tectonic Settings:

Total number of sublocalities beneath "McDermitt Mine, Opalite District, Humboldt Co., Nevada, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 41°55'9"N
Longitude: 117°48'44"W
Decimal Degree (lat, lon): 41.919166666667,-117.81222222222

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 Ba C Ca Cl F Fe H Hg I K Li Mg Mn N Na O S Sb Si 

Elements from minerals reported directly at this locality: Al As Ba C Ca Cl F Fe H Hg I K Li Mg Mn N Na O S Sb Si 

Structural Groups for minerals in this locality: 
AluniteAmorphousBaryteCalciteClayCopiapiteCorundumCristobaliteDiasporeFeldspar
FluoriteGypsumKaoliniteMarcasiteMelanteriteNoneNot in a structural groupPyritePyrochloreQuartz
RutileSmectite-vermiculiteStibniteTridymite

38 IMA Minerals at location:
Alunite  (*)Baryte  (*)Buddingtonite  (*)Calcite  (*)Calomel  (*)
Chapmanite  (*)Cinnabar  (*)Copiapite  (*)Corderoite  (*)Cristobalite  (*)
Eglestonite  (*)Fibroferrite  (*)Fluorite  (*)Goethite  (*)Gypsum  (*)
Hematite  (*)Jarosite  (*)Kaolinite  (*)Kenhsuite  (*)Kleinite  (*)
Lithiophorite  (*)Marcasite  (*)Melanterite  (*)Mercury  (*)Montmorillonite  (*)
Montroydite  (*)Opal  (*)Pyrite  (*)Quartz  (*)Radtkeite  (*)
Realgar  (*)Schuetteite  (*)Stibiconite  (*)Stibnite  (*)Terlinguacreekite  (*)
Terlinguaite  (*)Tridymite  (*)Tripuhyite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alunite  (*)NoneKAl3(SO4)2(OH)616.115.30966
Baryte  (*)BaryteBa(SO4)16.115.3011547
Buddingtonite  (*)Feldspar(NH4)(AlSi3)O816.115.3027
Calcite  (*)CalciteCa(CO3)16.115.3027770
Calomel  (*)NoneHgCl16.115.3091
Chapmanite  (*)NoneFe3+2Sb3+(Si2O5)O3(OH)16.115.3031
Cinnabar  (*)NoneHgS16.115.302600
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O16.115.30382
Corderoite  (*)NoneHg3S2Cl216.115.3016
Cristobalite  (*)CristobaliteSiO216.115.30453
Eglestonite  (*)None([Hg1+]2)3OCl3(OH)16.115.3036
Fibroferrite  (*)Not in a structural groupFe3+(SO4)(OH)·5H2O16.115.30107
Fluorite  (*)FluoriteCaF216.115.309617
Goethite  (*)DiasporeFeO(OH)16.115.307437
Gypsum  (*)GypsumCa(SO4)·2H2O16.115.306890
Hematite  (*)CorundumFe2O316.115.3014640
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)616.115.302228
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)416.115.305591
Kenhsuite  (*)NoneHg3S2Cl216.115.303
Kleinite  (*)None(Hg2N)(Cl,SO4)·nH2O16.115.303
Lithiophorite  (*)None(Al,Li)(Mn4+,Mn3+)O2(OH)216.115.30210
Marcasite  (*)MarcasiteFeS216.115.305674
Melanterite  (*)MelanteriteFe(SO4)·7H2O16.115.30915
Mercury  (*)NoneHg16.115.30397
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O16.115.301508
Montroydite  (*)NoneHgO16.115.3029
Opal  (*)AmorphousSiO2·nH2O16.115.302994
Pyrite  (*)PyriteFeS216.115.3039462
Quartz  (*)QuartzSiO216.115.3061156
Radtkeite  (*)NoneHg3S2ClI16.115.301
Realgar  (*)NoneAsS16.115.30712
Schuetteite  (*)NoneHg3O2(SO4)00021
Stibiconite  (*)PyrochloreSb3+Sb5+2O6(OH)16.115.30446
Stibnite  (*)StibniteSb2S316.115.303418
Terlinguacreekite  (*)NoneHg2+3O2Cl216.115.302
Terlinguaite  (*)NoneHg2OCl16.115.3022
Tridymite  (*)TridymiteSiO216.115.30458
Tripuhyite  (*)RutileFe3+Sb5+O416.115.3066



1 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
Hg-0004116.115.3 K-Ar     Calomel, Cinnabar, Corderoite, Kenhsuite, Kleinite, Mercury, Montroydite, Radtkeite, Terlinguaite, Eglestonite, TerlinguacreekiteHg4206McDermitt Mine, Opalite District, Humboldt Co., Nevada, USA Noble et al. (1988)10.2113/gsecongeo.83.4.859EG83_859 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...