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:
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: 246451
mindat URL: http://www.mindat.org/loc-246451.html

Tectonic Settings:

Total number of sublocalities beneath "Thor Lake Syenite Complex, Blachford Lake Alkaline Complex, Mackenzie District, Northwest Territories, Canada": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Lake Zone Deposit
Nechalacho Deposit
T-Zone Deposit

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 Li 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: 

Structural Groups for minerals in this locality: 
AllaniteAmphiboleAnalcimeApatiteBaryteBastnäsiteCalciteCancriniteCancrinite-sodaliteCatapleiite
ChalcopyriteChloriteClayColumbiteCorundumEpidoteEudialyteFeldsparFluoriteLanthanite
MicaMolybdeniteMonaziteNatroliteNickelineNoneNot in a structural groupParisitePectolitePhenakite
PyritePyroxeneQuartzRocksaltRutileSapphirineScheeliteSodaliteSphaleriteSpinel
TopazTridymiteWollastoniteZircon

68 IMA Minerals at location:
Aegirine  (*)Aenigmatite  (*)Albite  (*)Allanite-(Ce)  (*)Analcime  (*)
Anatase  (*)Ankerite  (*)Annite  (*)Arfvedsonite  (*)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)  (*)Polylithionite  (*)Pyrite  (*)Pyrrhotite  (*)
Quartz  (*)Riebeckite  (*)Rutile  (*)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+Si2O621002100231053,310541022
Aenigmatite  (*)SapphirineNa4[Fe2+10Ti2]O4[Si12O36]21002100131053133
Albite  (*)FeldsparNa(AlSi3O8)21002100231053,310548803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)21002100131053706
Analcime  (*)AnalcimeNa(AlSi2O6)·H2O210021001310531627
Anatase  (*)Not in a structural groupTiO21310542162
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)2210021001310533092
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)221002100131053356
Arfvedsonite  (*)AmphiboleNaNa2(Fe2+4Fe3+)Si8O22(OH)2131054295
Baryte  (*)BaryteBa(SO4)2100210013105311547
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F21002100231053,31054304
Britholite-(Ce)  (*)Apatite(Ce,Ca)5(SiO4)3(OH)21002100131053115
Calciocatapleiite  (*)CatapleiiteCaZrSi3O9·2H2O210021001310538
Calcite  (*)CalciteCa(CO3)2100210013105327770
Cancrinite  (*)Cancrinite(Na,Ca,   )8(Al6Si6)O24(CO3,SO4)2·2H2O21002100131053232
Cassiterite  (*)RutileSnO2210021001310535171
Catapleiite  (*)CatapleiiteNa2Zr(Si3O9)·2H2O21002100131053113
Cerianite-(Ce)  (*)FluoriteCeO22100210013105394
Chalcopyrite  (*)ChalcopyriteCuFeS22100210013105327198
Chamosite  (*)Chlorite Clay(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)821002100131053577
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O621002100131053518
Dolomite  (*)NoneCaMg(CO3)2210021001310539895
Eudialyte  (*)EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)221002100131053182
Fergusonite-(Y)  (*)ScheeliteYNbO421002100131053196
Ferro-richterite  (*)AmphiboleNa(NaCa)Fe2+5Si8O22(OH)22100210013105330
Ferrobustamite  (*)WollastoniteCaFe2+Si2O62100210013105322
Fluorapatite  (*)ApatiteCa5(PO4)3F210021001310532740
Fluorbritholite-(Ce)  (*)Apatite(Ce,Ca)5(SiO4)3F2100210013105319
Fluorite  (*)FluoriteCaF221002100231053,310549617
Fluornatropyrochlore  (*)None(Na,Pb,Ca,REE,U)2Nb2O6F2100210013105310
Hematite  (*)CorundumFe2O32100210013105314640
Ilmenite  (*)CorundumFe2+Ti4+O3210021001310535433
Ixiolite  (*)Columbite(Ta2/3Mn2+1/3)O221002100131053148
Kentbrooksite  (*)Eudialyte(Na,REE)15(Ca,REE)6Mn3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)22100210013105319
Kutnohorite  (*)NoneCaMn2+(CO3)221002100131053234
Lanthanite-(Ce)  (*)LanthaniteCe2(CO3)3·8H2O2100210013105316
Magnetite  (*)SpinelFe2+Fe3+2O421002100231053,3105414899
Mesolite  (*)NatroliteNa2Ca2(Si9Al6)O30·8H2O21002100131053425
Molybdenite  (*)MolybdeniteMoS2210021001310535800
Monazite-(Ce)  (*)MonaziteCe(PO4)21002100131053945
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O210021001310531236
Nepheline  (*)TridymiteNa3K(Al4Si4O16)21002100131053884
Orthoclase  (*)FeldsparK(AlSi3O8)210021001310532349
Parisite-(Ce)  (*)ParisiteCaCe2(CO3)3F221002100131053112
Pectolite  (*)PectoliteNaCa2Si3O8(OH)21002100131053363
Phenakite  (*)PhenakiteBe2(SiO4)21002100231053,31054326
Polycrase-(Y)  (*)ColumbiteY(Ti,Nb)2(O,OH)621002100131053121
Polylithionite  (*)MicaKLi2AlSi4O10F213105489
Pyrite  (*)PyriteFeS22100210013105339462
Pyrrhotite  (*)NickelineFe7S8210021001310539056
Quartz  (*)QuartzSiO221002100231053,3105461156
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)221002100131053375
Rutile  (*)RutileTiO21310545614
Samarskite-(Y)  (*)ColumbiteYFe3+Nb2O821002100131053353
Siderite  (*)CalciteFe(CO3)210021001310536417
Sodalite  (*)Cancrinite-sodalite SodaliteNa4(Si3Al3)O12Cl21002100131053444
Sphalerite  (*)SphaleriteZnS2100210013105321482
Synchysite-(Ce)  (*)NoneCaCe(CO3)2F21002100131053232
Thorite  (*)ZirconTh(SiO4)210021001310531006
Topaz  (*)TopazAl2SiO4F2210021001310531476
Uraninite  (*)FluoriteUO2210021001310532718
Villiaumite  (*)RocksaltNaF2100210013105331
Vlasovite  (*)NoneNa2ZrSi4O11210021001310539
Willemite  (*)PhenakiteZn2SiO421002100131053303
Wollastonite  (*)WollastoniteCaSiO3210021001310531247
Xenotime-(Y)  (*)ZirconY(PO4)21002100231053,31054939
Zircon  (*)ZirconZr(SiO4)21002100231053,310545251
Zirsilite-(Ce)  (*)Eudialyte(Na,   )12(Ce,Na)3Ca6Mn3Zr3NbSi25O73(OH)3(CO3)·H2O210021001310534


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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