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:
Nechalacho Deposit, Thor Lake Syenite Complex, Blachford Lake Alkaline Complex, Mackenzie District, Northwest Territories, Canada

Oldest recorded age at locality: 2100
Youngest recorded age at locality: 2100

mindat Locality ID: 25762
mindat URL: http://www.mindat.org/loc-25762.html

Tectonic Settings:

Total number of sublocalities beneath "Nechalacho Deposit, Thor Lake Syenite Complex, Blachford Lake Alkaline Complex, Mackenzie District, Northwest Territories, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 62°6'0"N
Longitude: 112°40'"W
Decimal Degree (lat, lon): 62.1,-112.66666666667
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 Ba Be C Ca Ce Cl Cu F Fe H K Mg Mn Mo Na Nb O P Pb REE S Si Sn Ta Th Ti U Y Zn Zr 

Elements from minerals reported directly at this locality: Al Ba Be C Ca Ce Cl Cu F Fe H K Mg Mn Mo Na Nb O P Pb REE S Si Sn Ta Th Ti U Y Zn Zr 

Structural Groups for minerals in this locality: 
AllaniteAmphiboleAnalcimeApatiteBaryteBastnäsiteCalciteCancriniteCancrinite-sodaliteCatapleiite
ChalcopyriteChloriteClayColumbiteCorundumEpidoteEudialyteFeldsparFluoriteLanthanite
MicaMolybdeniteMonaziteNatroliteNickelineNoneParisitePectolitePhenakitePyrite
PyroxeneQuartzRocksaltRutileSapphirineScheeliteSodaliteSphaleriteSpinelTopaz
TridymiteWollastoniteZircon

64 IMA Minerals at location:
Aegirine  (*)Aenigmatite  (*)Albite  (*)Allanite-(Ce)  (*)Analcime  (*)
Ankerite  (*)Annite  (*)Baryte  (*)Bastnäsite-(Ce)  (*)Britholite-(Ce)  (*)
Calciocatapleiite  (*)Calcite  (*)Cancrinite  (*)Cassiterite  (*)Catapleiite  (*)
Cerianite-(Ce)  (*)Chalcopyrite  (*)Chamosite  (*)Columbite-(Fe)  (*)Dolomite  (*)
Eudialyte  (*)Fergusonite-(Y)  (*)Ferro-richterite  (*)Ferrobustamite  (*)Fluorapatite  (*)
Fluorbritholite-(Ce)  (*)Fluorite  (*)Fluornatropyrochlore  (*)Hematite  (*)Ilmenite  (*)
Ixiolite  (*)Kentbrooksite  (*)Kutnohorite  (*)Lanthanite-(Ce)  (*)Magnetite  (*)
Mesolite  (*)Molybdenite  (*)Monazite-(Ce)  (*)Natrolite  (*)Nepheline  (*)
Orthoclase  (*)Parisite-(Ce)  (*)Pectolite  (*)Phenakite  (*)Polycrase-(Y)  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Riebeckite  (*)Samarskite-(Y)  (*)
Siderite  (*)Sodalite  (*)Sphalerite  (*)Synchysite-(Ce)  (*)Thorite  (*)
Topaz  (*)Uraninite  (*)Villiaumite  (*)Vlasovite  (*)Willemite  (*)
Wollastonite  (*)Xenotime-(Y)  (*)Zircon  (*)Zirsilite-(Ce)  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O62100210001022
Aenigmatite  (*)SapphirineNa4[Fe2+10Ti2]O4[Si12O36]210021000133
Albite  (*)FeldsparNa(AlSi3O8)2100210008803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)210021000706
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O2100210001627
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)22100210003092
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)2210021000356
Baryte  (*)BaryteBa(SO4)21002100011547
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F210021000304
Britholite-(Ce)  (*)Apatite(Ce,Ca)5(SiO4)3(OH)210021000115
Calciocatapleiite  (*)CatapleiiteCaZrSi3O9·2H2O2100210008
Calcite  (*)CalciteCa(CO3)21002100027770
Cancrinite  (*)Cancrinite(Na,Ca,   )8(Al6Si6)O24(CO3,SO4)2·2H2O210021000232
Cassiterite  (*)RutileSnO22100210005171
Catapleiite  (*)CatapleiiteNa2Zr(Si3O9)·2H2O210021000113
Cerianite-(Ce)  (*)FluoriteCeO221002100094
Chalcopyrite  (*)ChalcopyriteCuFeS221002100027198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8210021000577
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O6210021000518
Dolomite  (*)NoneCaMg(CO3)22100210009895
Eudialyte  (*)EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2210021000182
Fergusonite-(Y)  (*)ScheeliteYNbO4210021000196
Ferro-richterite  (*)AmphiboleNa(NaCa)Fe2+5Si8O22(OH)221002100030
Ferrobustamite  (*)WollastoniteCaFe2+Si2O621002100022
Fluorapatite  (*)ApatiteCa5(PO4)3F2100210002740
Fluorbritholite-(Ce)  (*)Apatite(Ce,Ca)5(SiO4)3F21002100019
Fluorite  (*)FluoriteCaF22100210009617
Fluornatropyrochlore  (*)None(Na,Pb,Ca,REE,U)2Nb2O6F21002100010
Hematite  (*)CorundumFe2O321002100014640
Ilmenite  (*)CorundumFe2+Ti4+O32100210005433
Ixiolite  (*)Columbite(Ta2/3Mn2+1/3)O2210021000148
Kentbrooksite  (*)Eudialyte(Na,REE)15(Ca,REE)6Mn3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)221002100019
Kutnohorite  (*)NoneCaMn2+(CO3)2210021000234
Lanthanite-(Ce)  (*)LanthaniteCe2(CO3)3·8H2O21002100016
Magnetite  (*)SpinelFe2+Fe3+2O421002100014899
Mesolite  (*)NatroliteNa2Ca2(Si9Al6)O30·8H2O210021000425
Molybdenite  (*)MolybdeniteMoS22100210005800
Monazite-(Ce)  (*)MonaziteCe(PO4)210021000945
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O2100210001236
Nepheline  (*)TridymiteNa3K(Al4Si4O16)210021000884
Orthoclase  (*)FeldsparK(AlSi3O8)2100210002349
Parisite-(Ce)  (*)ParisiteCaCe2(CO3)3F2210021000112
Pectolite  (*)PectoliteNaCa2Si3O8(OH)210021000363
Phenakite  (*)PhenakiteBe2(SiO4)210021000326
Polycrase-(Y)  (*)ColumbiteY(Ti,Nb)2(O,OH)6210021000121
Pyrite  (*)PyriteFeS221002100039462
Pyrrhotite  (*)NickelineFe7S82100210009056
Quartz  (*)QuartzSiO221002100061156
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)2210021000375
Samarskite-(Y)  (*)ColumbiteYFe3+Nb2O8210021000353
Siderite  (*)CalciteFe(CO3)2100210006417
Sodalite  (*)Cancrinite-sodalite SodaliteNa4(Si3Al3)O12Cl210021000444
Sphalerite  (*)SphaleriteZnS21002100021482
Synchysite-(Ce)  (*)NoneCaCe(CO3)2F210021000232
Thorite  (*)ZirconTh(SiO4)2100210001006
Topaz  (*)TopazAl2SiO4F22100210001476
Uraninite  (*)FluoriteUO22100210002718
Villiaumite  (*)RocksaltNaF21002100031
Vlasovite  (*)NoneNa2ZrSi4O112100210009
Willemite  (*)PhenakiteZn2SiO4210021000303
Wollastonite  (*)WollastoniteCaSiO32100210001247
Xenotime-(Y)  (*)ZirconY(PO4)210021000939
Zircon  (*)ZirconZr(SiO4)2100210005251
Zirsilite-(Ce)  (*)Eudialyte(Na,   )12(Ce,Na)3Ca6Mn3Zr3NbSi25O73(OH)3(CO3)·H2O2100210004


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
ree-0022721002100Early Proterozoic- approx. 2100 Ma        25762Nechalacho Deposit, Thor Lake Syenite Complex, Blachford Lake Alkaline Complex, Mackenzie District, Northwest Territories, CanadaThor Lake (Blachford Lake)Orris and Grauch (2002) USGSOFR02_189 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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