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:
Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canada

Oldest recorded age at locality: 2816
Youngest recorded age at locality: 2575

mindat Locality ID: 546
mindat URL: http://www.mindat.org/loc-546.html

Tectonic Settings:

Total number of sublocalities beneath "Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canada": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
David Bell Mine
Golden Giant Mine
Williams Mine (Page Williams Mine)

Latitude: 48°41'38"N
Longitude: 85°54'18"W
Decimal Degree (lat, lon): 48.693888888889,-85.905

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: Ag Al As Au Ba C Ca Ce Cr Cs Cu F Fe H Hg K La Mg Mo Na Ni O P Pb S Sb Se Si Te Ti Tl V W Zn Zr 

Elements from minerals reported directly at this locality: Al As Ba C Ca Ce F Fe H La Mg Na O P Sb Si Ti V W 

Structural Groups for minerals in this locality: 
AllaniteAmphiboleAndalusiteArsenicArsenopyriteBaryteBerthieriteBerylBournoniteBrochantite
CalciteChalcopyriteChalcostibiteClayClinozoisiteColumbiteCopperCorundumCovelliteCubanite
EpidoteFeldsparFluoriteGalkhaiteGarnetGeocroniteGypsumMeloniteMicaMilarite
MolybdeniteMonaziteNickelineNoneNot in a structural groupNowackiiteOrpimentPerovskitePrehnitePumpellyite
PyritePyrochlorePyroxeneQuartzRocksaltRouthieriteRutileSartoriteScheeliteSphalerite
SpinelStauroliteStibniteStilbiteTalcTetrahedriteTitaniteUllmanniteVesuvianiteVoltaite
WurtziteZinkeniteZircon

111 IMA Minerals at location:
Actinolite  (*)Aktashite  (*)Albite  (*)Allanite-(Ce)  (*)Allanite-(La)  (*)
Almandine  (*)Altaite  (*)Andalusite  (*)Anhydrite  (*)Anthophyllite  (*)
Antimony  (*)Armenite  (*)Arsenic  (*)Arsenopyrite  (*)Aurostibite  (*)
Baryte  (*)Baumhauerite  (*)Berthierite  (*)Bornite  (*)Boulangerite  (*)
Bournonite  (*)Breithauptite  (*)Brochantite  (*)Cafarsite  (*)Calaverite  (*)
Calcite  (*)Chalcocite  (*)Chalcopyrite  (*)Chalcostibite  (*)Chromite  (*)
Cinnabar  (*)Clausthalite  (*)Clinozoisite  (*)Coloradoite  (*)Copper  (*)
Cordierite  (*)Covellite  (*)Criddleite  (*)Crocoite  (*)Cubanite  (*)
Diopside  (*)Dolomite  (*)Dufrénoysite  (*)Epidote  (*)Ferberite  (*)
Ferro-tschermakite  (*)Fluorite  (*)Galena  (*)Galkhaite  (*)Geocronite  (*)
Gold  (*)Graphite  (*)Grossular  (*)Gudmundite  (*)Gypsum  (*)
Hematite  (*)Hemloite  (*)Hydroxycalcioroméite  (*)Ilmenite  (*)Jamesonite  (*)
Kermesite  (*)Kyanite  (*)Laumontite  (*)Magnetite  (*)Melonite  (*)
Microcline  (*)Molybdenite  (*)Monazite-(Ce)  (*)Muscovite  (*)Orpiment  (*)
Orthoclase  (*)Pääkkönenite  (*)Gersdorffite-Pa3  (*)Parapierrotite  (*)Pararealgar  (*)
Perovskite  (*)Phlogopite  (*)Poppiite  (*)Prehnite  (*)Pumpellyite-(Mg)  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Realgar  (*)Routhierite  (*)
Rutile  (*)Scheelite  (*)Seligmannite  (*)Sillimanite  (*)Silver  (*)
Sphalerite  (*)Staurolite  (*)Stibarsen  (*)Stibnite  (*)Stilbite-Ca  (*)
Talc  (*)Tennantite-(Fe)  (*)Tetrahedrite-(Zn)  (*)Titanite  (*)Tomichite  (*)
Tremolite  (*)Tvalchrelidzeite  (*)Twinnite  (*)Ullmannite  (*)Vaughanite  (*)
Vesuvianite  (*)Voltaite  (*)Wurtzite  (*)Zinkenite  (*)Zircon  (*)
Zoisite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Actinolite  (*)Amphibole   Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)22679.72677.31332933419
Aktashite  (*)NowackiiteCu6Hg3As4S1226382621233292,3329422
Albite  (*)FeldsparNa(AlSi3O8)281625751332928803
Allanite-(Ce)  (*)Allanite EpidoteCaCe(Al2Fe2+)[Si2O7][SiO4]O(OH)281625750706
Allanite-(La)  (*)Allanite EpidoteCaLa(Al2Fe2+)[Si2O7][SiO4]O(OH)28162575025
Almandine  (*)GarnetFe2+3Al2(SiO4)32679.72677.31332932353
Altaite  (*)RocksaltPbTe28162575133292489
Andalusite  (*)AndalusiteAl2SiO52679.72677.31332931310
Anhydrite  (*)Not in a structural groupCa(SO4)28162575333292,33293,332941588
Anthophyllite  (*)Amphibole   Mg2Mg5Si8O22(OH)2281625750718
Antimony  (*)ArsenicSb28162575333292,33293,33294363
Armenite  (*)MilariteBaCa2(Al6Si9)O30·2H2O28162575023
Arsenic  (*)ArsenicAs28162575333292,33293,33294379
Arsenopyrite  (*)ArsenopyriteFeAsS28162575333292,33293,332949052
Aurostibite  (*)PyriteAuSb22679.72665.7333292,33293,3329473
Baryte  (*)BaryteBa(SO4)28162575333292,33293,3329411547
Baumhauerite  (*)SartoritePb12As16S362816257513329215
Berthierite  (*)BerthieriteFeSb2S428162575233292,33293343
Bornite  (*)NoneCu5FeS4281625751332945516
Boulangerite  (*)NonePb5Sb4S1128162575233292,33293843
Bournonite  (*)BournoniteCuPbSbS3281625751332921089
Breithauptite  (*)NickelineNiSb28162575133292175
Brochantite  (*)BrochantiteCu4(SO4)(OH)6281625751332941633
Cafarsite  (*)None(Ca,Na,   )19Ti8Fe3+4Fe2+4(AsO3)28F2816257507
Calaverite  (*)MeloniteAuTe22668.72665.7133292361
Calcite  (*)CalciteCa(CO3)28162575333292,33293,3329427770
Chalcocite  (*)NoneCu2S281625751332945707
Chalcopyrite  (*)ChalcopyriteCuFeS228162575333292,33293,3329427198
Chalcostibite  (*)ChalcostibiteCuSbS228162575233292,33293162
Chromite  (*)SpinelFe2+Cr2O4281625751332943902
Cinnabar  (*)NoneHgS2679.72621333292,33293,332942600
Clausthalite  (*)RocksaltPbSe28162575133292281
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)2816257501025
Coloradoite  (*)SphaleriteHgTe26382621133292169
Copper  (*)CopperCu281625751332943846
Cordierite  (*)BerylMg2Al4Si5O182816257501008
Covellite  (*)CovelliteCuS281625751332944165
Criddleite  (*)NoneAg2Au3TlSb10S102679.72665.7233293,332943
Crocoite  (*)Monazite BarytePb(CrO4)2816257513329481
Cubanite  (*)Cubanite WurtziteCuFe2S328162575133292802
Diopside  (*)PyroxeneCaMgSi2O62679.72677.31332934135
Dolomite  (*)NoneCaMg(CO3)22816257509895
Dufrénoysite  (*)SartoritePb2As2S528162575233292,3329434
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)2679.72677.31332938173
Ferberite  (*)ColumbiteFe2+(WO4)281625750551
Ferro-tschermakite  (*)Amphibole   Ca2(Fe2+3Al2)(Si6Al2)O22(OH)22816257513329427
Fluorite  (*)FluoriteCaF228162575233293,332949617
Galena  (*)RocksaltPbS28162575233292,3329424243
Galkhaite  (*)Galkhaite Tetrahedrite(Hg5Cu)CsAs4S1226382621233292,3329413
Geocronite  (*)GeocronitePb14Sb6S2328162575133292133
Gold  (*)CopperAu26902665.7333292,33293,3329430554
Graphite  (*)NoneC2679.72677.31332932812
Grossular  (*)GarnetCa3Al2(SiO4)32816257501544
Gudmundite  (*)ArsenopyriteFeSbS28162575233292,33293170
Gypsum  (*)GypsumCa(SO4)·2H2O281625751332946890
Hematite  (*)CorundumFe2O32816257513329414640
Hemloite  (*)None(Ti,V3+,Fe3+,Al)12As3+2O23(OH)281625751332941
Hydroxycalcioroméite  (*)Pyrochlore(Ca,Sb3+)2(Sb5+,Ti)2O6(OH)28162575011
Ilmenite  (*)CorundumFe2+Ti4+O32679.72677.31332935433
Jamesonite  (*)NonePb4FeSb6S1428162575233292,33293784
Kermesite  (*)NoneSb2OS228162575133292230
Kyanite  (*)Not in a structural groupAl2OSiO428162575333292,33293,332941507
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O281625751332941271
Magnetite  (*)SpinelFe2+Fe3+2O42679.72677.313329314899
Melonite  (*)MeloniteNiTe228162575133292207
Microcline  (*)FeldsparK(AlSi3O8)28162575233292,332934924
Molybdenite  (*)MolybdeniteMoS22679.72640333292,33293,332945800
Monazite-(Ce)  (*)MonaziteCe(PO4)281625750945
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)228162575333292,33293,3329417380
Orpiment  (*)OrpimentAs2S328162575333292,33293,33294511
Orthoclase  (*)FeldsparK(AlSi3O8)281625751332942349
Pääkkönenite  (*)StibniteSb2AsS22679.72677.31332938
Gersdorffite-Pa3  (*)PyriteNiAsS28162575233292,33294767
Parapierrotite  (*)NoneTlSb5S828162575333292,33293,3329410
Pararealgar  (*)NoneAs4S42816257513329257
Perovskite  (*)PerovskiteCaTiO328162575133292495
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)228162575233292,332942273
Poppiite  (*)PumpellyiteCa2V3+V3+2(Si2O7)(SiO4)(OH,O)2·H2O2679.72677.31332934
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)22816257501898
Pumpellyite-(Mg)  (*)PumpellyiteCa2MgAl2(Si2O7)(SiO4)(OH)2·H2O2679.72677.3133293106
Pyrite  (*)PyriteFeS228162575333292,33293,3329439462
Pyrrhotite  (*)NickelineFe7S828162575333292,33293,332949056
Quartz  (*)QuartzSiO228162575233293,3329461156
Realgar  (*)NoneAsS28162575333292,33293,33294712
Routhierite  (*)RouthieriteTlCuHg2As2S626382621233292,332948
Rutile  (*)RutileTiO22679.72599233292,332935614
Scheelite  (*)ScheeliteCa(WO4)28162575233292,332944894
Seligmannite  (*)BournoniteCuPbAsS328162575233292,3329464
Sillimanite  (*)Not in a structural groupAl2SiO52679.72677.31332931516
Silver  (*)CopperAg281625751332925186
Sphalerite  (*)SphaleriteZnS28162575333292,33293,3329421482
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)2679.72677.3133293978
Stibarsen  (*)ArsenicSbAs28162575233292,3329348
Stibnite  (*)StibniteSb2S328162575333292,33293,332943418
Stilbite-Ca  (*)StilbiteNaCa4(Si27Al9)O72·28H2O281625750268
Talc  (*)Clay TalcMg3Si4O10(OH)22816257503337
Tennantite-(Fe)  (*)TetrahedriteCu6(Cu4Fe2)As4S13281625751332921803
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S1328162575333292,33293,332945317
Titanite  (*)TitaniteCaTi(SiO4)O26912575233292,332934899
Tomichite  (*)NoneV3+4Ti4+3As3+O13(OH)2816257503
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)22679.72677.31332932562
Tvalchrelidzeite  (*)NoneHg3SbAsS32679.72621233292,332936
Twinnite  (*)SartoritePbSbAsS42816257513329216
Ullmannite  (*)UllmanniteNiSbS28162575233292,33294293
Vaughanite  (*)NoneTlHgSb4S72679.72677.31332931
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)102816257501395
Voltaite  (*)VoltaiteK2Fe2+5Fe3+3Al(SO4)12·18H2O28162575133294111
Wurtzite  (*)WurtziteZnS28162575133292372
Zinkenite  (*)ZinkenitePb9Sb22S4228162575233292,33294228
Zircon  (*)ZirconZr(SiO4)2679.72677.31332935251
Zoisite  (*)EpidoteCa2Al3[Si2O7][SiO4]O(OH)2679.72677.31332931025



108 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
Emily0000082668.72665.7 U-Pb     GoldAu546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaOntario, CanadaMuir (2002)10.1016/S0169-1368(02)00066-5OGR21_1 
Emily000009268326472665±18Re-Os     MolybdeniteMo546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaOntario, CanadaMuir (2002)10.1016/S0169-1368(02)00066-5OGR21_1 
Emily000010267926752677±2U-Pb zircon   ZirconMolybdeniteMo546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaOntario, CanadaMuir (2002)10.1016/S0169-1368(02)00066-5OGR21_1 
Emily00009728002690 U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily00009826932690 U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily000099269626922694±2U-Pb zirconDD95-38  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily00010828002800 U-Pb zirconDD96-25  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51age of inherited components, but the emplacement age of porphyry unclear
Emily000115269026862688±2U-Pb zirconDD95-41  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5139% fit
Emily0001232723.72721.72722.7±1U-Pb zirconDD95-44  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5181% fit
Emily000124270126972699±2U-Pb zirconDD95-44  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily0001302698.82696.62697.7±1.1U-Pb zirconDD95-43  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5155% fit
Emily0001312691.32689.72690.5±0.8U-Pb zirconDD95-43  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5184% fit
Emily0001372691.42689.62690.5±0.9U-Pb zirconDD95-39  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5186% fit
Emily0001432695.22691.42693.3±1.9U-Pb zirconDD96-26  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5172% fit
Emily0001502689.52681.32685.4±4.1U-Pb zirconDD95-37  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5192% fit
Emily0001512694.32692.72693.5±0.8U-Pb zirconDD95-37  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5182% fit
Emily0001642678.82676.22677.5±1.3U-Pb zirconLIN97-1  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5196% fit
Emily000165267626702673±3U-Pb zirconDD96-23  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5141% fit
Emily0001662694.52690.72692.6±1.9U-Pb zirconDD96-23  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5164% fit
Emily000167269126872689±2U-Pb zirconDD95-42  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily0001762678.72675.72677.2±1.5U-Pb zirconLIN97-2  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5177% fit
Emily0001802678.82676.22677.5±1.3U-Pb zirconLIN97-1  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5196% fit
Emily0001862681.32679.12680.2±1.1U-Pb zirconDD98-2  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5183% fit
Emily000200268126792680±1U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51near-concordant zircons from Cedar Lake pluton define magmatic age and "probably also represents an older age limit on gold mineralization"
Emily000201267826762677±1U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily00020226932685 U-Pbage of the volcanosedimentary complexzircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily00020328002800 U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily000204268126792680±1U-Pbgranodiorite plutonismzircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily000205267826762677±1U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily00020627222716 U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51error is (+6)-3
Emily000207269726932695±2U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily000208268026762678±2U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily000209277427702772±2U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily00021026952680 U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily000211267826762677±1U-Pb zircon   ZirconTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily000212267226702671±1U-Pb zircon   ZirconTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily00021326452632 U-Pb rutile, monazite   Rutile 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily000214269026702680±10U-Pb zircon   ZirconGold 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51two discordant data from Kusin's porphyry cut gold mineralization age
Emily00021528162816 U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily000216269626922694±2U-Pb zirconDD95-38  ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51youngest datum from mineralization fragmental unit
Emily000217269026862688±2U-Pb zircon   ZirconZircon 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_51 
Emily000271269726932695±2U-Pb zircon   Zircon  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHeron BayCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201 
Emily000272277427702772±2U-Pb zircon   Zircon  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaQuartz-Feldspar-Porphyry ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201 
Emily00027527232715 U-Pb zircon   Zircon  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaPukaskwa Gneissic ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201error is (+6)-4
Emily000276269126852688±3U-Pb zircon   Zircon  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaPukaskwa Gneissic ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201 
Emily00027726872681 U-Pb zircon   Zircon  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaCedar Creek StockCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201error is (+4)-3
Emily000283264926412645±4U-Pbcombined rutile-monazite age at different locations within the Golden Sceptre Propertyrutile, monaziteGSv, GSp  Rutile 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHemlo gold depositCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 5
Emily000284268726812684±3U-Pb titanitePCm  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaPukaskwa Gneissic ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 3
Emily000285269126852688±3U-Pbyoungest main granodioritic phase of the Pukaskwa Gneissic ComplextitanitePCi  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaPukaskwa Gneissic ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 3
Emily000286267926732676±3U-Pb titaniteCLi  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaCeder Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 3
Emily000287268626802683±3U-Pb titaniteCLi  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaCeder Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 3
Emily000288268026742677±3U-Pb titaniteCLm  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaCeder Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 3
Emily000289267926732676±3U-Pb titaniteCLp  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadike near Cedar Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 3
Emily000290268226762679±3U-Pb titaniteCLp  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadike near Cedar Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 3
Emily000291268026742677±3U-Pb titaniteCC  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaCedar Creek StockCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 3
Emily000292268126752678±3U-Pbcorresponds to the time of intrusion of the Gowan Lake PlutontitaniteHBm  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHeron Bay PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 3
Emily000293258125752578±3U-Pb titaniteGL  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaGowan Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 3
Emily000294263726272632±5U-Pb rutilePWd  RutileRutile 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 4
Emily000295267426682671±3U-Pb titanitePWd  TitaniteRutile 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 4
Emily000296263526292632±3U-Pb rutilePWp  RutileRutile 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 4
Emily000297267526692672±3U-Pb titanitePWp  TitaniteRutile 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 4
Emily000298264926212635±14U-Pb rutilePWs  RutileRutile 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 4
Emily000299267326692671±2U-Pb titanitePWs  TitaniteRutile 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 4
Emily000300264526372641±4U-Pb rutileGGs  RutileRutile 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadrill-core GG 21,855.0 mCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 4
Emily000301267226682670±2U-Pb titaniteGGs  TitaniteRutile 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadrill-core GG 21,855.0 mCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201Fig. 4
Emily00030226832683 U-Pb titanitePCm (C-86-10)  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaPukaskwa Gneissic ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00030326852685 U-Pb titanitePCm (C-86-10)  TitaniteTitanite 546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaPukaskwa Gneissic ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00030426872687 Pb-Pb titanitePCi-(C-86-11)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaPukaskwa Gneissic ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00030526892689 Pb-Pb titanitePCi-(C-86-11)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaPukaskwa Gneissic ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00030626832683 Pb-Pb titaniteCLi-(C-84-43)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaCeder Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00030726762676 Pb-Pb titaniteCLi-(C-84-43)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaCeder Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00030826772677 Pb-Pb titaniteCLm-(C-87-44)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaCeder Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00030926792679 Pb-Pb titaniteCLp-(C-84-44)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadike near Cedar Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00031026672667 Pb-Pb titaniteCLp-(C-84-44)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadike near Cedar Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00031126762676 Pb-Pb titaniteCLp-(C-84-44)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadike near Cedar Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00031226772677 Pb-Pb titaniteCC-(C-87-42)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaCedar Creek StockCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00031326782678 Pb-Pb titaniteHBm-(C-86-12)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaHeron Bay PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00031426782678 Pb-Pb titaniteGL-(C-86-14)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaGowan Lake PlutonCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00031526442644 Pb-Pb monaziteGSv-(C-84-47)    546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaQuartz-Feldspar-Porphyry ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00031626372637 Pb-Pb monaziteGSv-(C-84-47)    546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaQuartz-Feldspar-Porphyry ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00031726382638 Pb-Pb rutileGSv-(C-84-47)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaQuartz-Feldspar-Porphyry ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00031826382638 Pb-Pb rutileGSv-(C-84-47)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaQuartz-Feldspar-Porphyry ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00031926552655 Pb-Pb rutileGSv-(C-84-47)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaQuartz-Feldspar-Porphyry ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00032026522652 Pb-Pb rutileGSv-(C-84-47)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaQuartz-Feldspar-Porphyry ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00032126432643 Pb-Pb rutileGSp-(C-84-47)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaQuartz-Feldspar-Porphyry ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00032226302630 Pb-Pb rutileGSp-(C-84-47)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaQuartz-Feldspar-Porphyry ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00032326122612 Pb-Pb rutileGSp-(C-84-47)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaQuartz-Feldspar-Porphyry ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00032425992599 Pb-Pb rutileGSp-(C-84-47)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaQuartz-Feldspar-Porphyry ComplexCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00032526722672 Pb-Pb titanitePWd-(C-84-45)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00032626702670 Pb-Pb titanitePWd-(C-84-45)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00032726332633 Pb-Pb rutilePWd-(C-84-45)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00032826302630 Pb-Pb rutilePWd-(C-84-45)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00032926742674 Pb-Pb titanitePWp-(C-87-43)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00033026712671 Pb-Pb titanitePWp-(C-87-43)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00033126342634 Pb-Pb rutilePWp-(C-87-43)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00033226302630 Pb-Pb rutilePWp-(C-87-43)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00033326712671 Pb-Pb titanitePWs-(C-84-48)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00033426352635 Pb-Pb rutilePWs-(C-84-48)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00033526702670 Pb-Pb titaniteGGs-(drill-core GG21)  Titanite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadrill-core GG 21,855.0 mCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00033626652665 Pb-Pb rutileGGs-(drill-core GG21)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadrill-core GG 21,855.0 mCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00033726412641 Pb-Pb rutileWs-(drill-core W 100, 791.9 m)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadrill-core W 100, 791.9 mCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00033826412641 Pb-Pb rutileWs-(drill-core W 100, 791.9 m)  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadrill-core W 100, 791.9 mCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201table 1
Emily00033926722672 Pb-Pb apatitePWd-apatite    546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201 
Emily00034026322632 Pb-Pb rutilePWs-black rutile  Rutile  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaA Zone of Page- Williams PropertyCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201 
Emily00034126402640 Pb-Pb molybdeniteWs-molybdenite  Molybdenite  546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canadadrill-core W 100, 791.9 mCorfu and Muir (1989)10.1016/0168-9622(89)90030-4CG79_201 
Hg-0000726382621       AktashiteHg546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canada Pan and Fleet (1995); Muir (2002); Davis and Lin (2003); Corfu and Muir (1989)   
Mo-0000526962621 U-Pb     MolybdeniteMo546Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, Canada Davis and Lin (2003); Corfu; F. & Muir; T.L. (1989)   
Emily0001952679.72677.32678.5±1.2U-Pb zirconDD97-25  ZirconZircon 27165Golden Giant Mine, Hemlo Gold Deposit, Bomby Township, Thunder Bay District, Ontario, CanadaGolden Giant MineDavis and Lin (2003)10.2113/gsecongeo.98.1.51EG98_5166% fit


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