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:
Broad Arrow Goldfield, Kalgoorlie-Boulder Shire, Western Australia, Australia

Oldest recorded age at locality: 2709
Youngest recorded age at locality: 2600

mindat Locality ID: 146981
mindat URL: http://www.mindat.org/loc-146981.html

Tectonic Settings:

Total number of sublocalities beneath "Broad Arrow Goldfield, Kalgoorlie-Boulder Shire, Western Australia, Australia": 63
Total number of bottom-level sublocalities: 60

Number of Child Localities: 3
Child Localities:
Bardoc
Broad Arrow
Paddington (Gudarra)

Latitude: 30°24'37"S
Longitude: 121°19'12"E
Decimal Degree (lat, lon): -30.410277777778,121.32

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 B C Ca Co Cr Cu F Fe H K Mg Na Ni O Pb S Sb Si Ti W Zn 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AmphiboleArsenopyriteCalciteChalcopyriteClayClinozoisiteCopperCorundumCovelliteDiaspore
EpidoteFeldsparFluoriteKaoliniteMalachiteMarcasiteMicaMilleriteNickelineNone
Not in a structural groupPentlanditePyriteQuartzRocksaltRutileScheeliteSerpentineSphaleriteSpinel
StibniteTalcTetrahedriteTourmalineValleriite

54 IMA Minerals at location:
Actinolite  (*)Albite  (*)Ankerite  (*)Anorthite  (*)Antigorite  (*)
Arsenopyrite  (*)Azurite  (*)Bornite  (*)Calcite  (*)Chalcocite  (*)
Chalcopyrite  (*)Chromite  (*)Covellite  (*)Dolomite  (*)Epidote  (*)
Fluorite  (*)Galena  (*)Glaukosphaerite  (*)Goethite  (*)Gold  (*)
Graphite  (*)Heazlewoodite  (*)Hematite  (*)Ilmenite  (*)Kaolinite  (*)
Linnaeite  (*)Mackinawite  (*)Magnesite  (*)Magnetite  (*)Malachite  (*)
Marcasite  (*)Millerite  (*)Muscovite  (*)Paragonite  (*)Pentlandite  (*)
Polydymite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Rutile  (*)
Scheelite  (*)Schorl  (*)Scorodite  (*)Silver  (*)Smythite  (*)
Sphalerite  (*)Spinel  (*)Stibnite  (*)Talc  (*)Tetrahedrite-(Zn)  (*)
Tremolite  (*)Troilite  (*)Valleriite  (*)Violarite  (*)
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)227092600316598,16613,166163419
Albite  (*)FeldsparNa(AlSi3O8)27092600316613,16638,166508803
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)2268026001166503092
Anorthite  (*)FeldsparCa(Al2Si2O8)268026001166501036
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)427092600316613,16616,16650708
Arsenopyrite  (*)ArsenopyriteFeAsS26802600416594,16638,16649,166509052
Azurite  (*)Not in a structural groupCu3(CO3)2(OH)2268026001166505509
Bornite  (*)NoneCu5FeS4270927011166135516
Calcite  (*)CalciteCa(CO3)27092600316613,16640,1665027770
Chalcocite  (*)NoneCu2S270927011166135707
Chalcopyrite  (*)ChalcopyriteCuFeS227092600516594,16598,16612,16613,1665027198
Chromite  (*)SpinelFe2+Cr2O427092600216612,166133902
Covellite  (*)CovelliteCuS270927011166134165
Dolomite  (*)NoneCaMg(CO3)227092600316602,16613,166299895
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)26802600316636,16640,166508173
Fluorite  (*)FluoriteCaF2268026001165949617
Galena  (*)RocksaltPbS26802600416594,16614,16618,1665024243
Glaukosphaerite  (*)MalachiteCuNi(CO3)(OH)22709270111661325
Goethite  (*)DiasporeFeO(OH)27092600216613,166507437
Gold  (*)CopperAu268026005116593,16594,16595,16596,16597,16599,16600,16601,16603,16604,16605,16606,16607,16608,16609,16610,16611,16614,16615,16616,16617,16618,16620,16621,16622,16623,16624,16626,16627,16628,16629,16630,16631,16633,16634,16635,16636,16637,16639,16640,16642,16643,16644,16645,16646,16647,16648,16649,16650,16651,1665530554
Graphite  (*)NoneC26802600216649,166502812
Heazlewoodite  (*)NoneNi3S227092701116613205
Hematite  (*)CorundumFe2O326802600216636,1665014640
Ilmenite  (*)CorundumFe2+Ti4+O3268026001166505433
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)4268026001165945591
Linnaeite  (*)SpinelCo2+Co3+2S427092701116613249
Mackinawite  (*)None(Fe,Ni)1+xS (x = 0-0.07)27092701116613451
Magnesite  (*)CalciteMg(CO3)27092600316602,16613,166291487
Magnetite  (*)SpinelFe2+Fe3+2O427092600316612,16613,1665014899
Malachite  (*)MalachiteCu2(CO3)(OH)22680260011665012537
Marcasite  (*)MarcasiteFeS226802600216612,166505674
Millerite  (*)MilleriteNiS270927011166131066
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)226802600516594,16605,16636,16638,1665017380
Paragonite  (*)Mica ClayNaAl2(Si3Al)O10(OH)226802600116594247
Pentlandite  (*)Pentlandite(Ni,Fe)9S827092600316602,16612,166131512
Polydymite  (*)SpinelNi2+Ni3+2S427092701116613131
Pyrite  (*)PyriteFeS2270926001216594,16595,16602,16612,16613,16615,16616,16617,16618,16636,16638,1665039462
Pyrrhotite  (*)NickelineFe7S827092600616594,16598,16602,16612,16613,166509056
Quartz  (*)QuartzSiO2270926001816594,16595,16597,16605,16610,16613,16616,16618,16620,16621,16627,16629,16630,16636,16640,16647,16650,1665561156
Rutile  (*)RutileTiO2268026001166505614
Scheelite  (*)ScheeliteCa(WO4)26802600216614,166504894
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)268026001166502705
Scorodite  (*)NoneFe3+(AsO4)·2H2O268026001166501153
Silver  (*)CopperAg268026001166505186
Smythite  (*)None(Fe,Ni)3+xS4 (x ≈ 0-0.3)2680260011659877
Sphalerite  (*)SphaleriteZnS2680260011665021482
Spinel  (*)SpinelMgAl2O4270927011166131934
Stibnite  (*)StibniteSb2S3268026001165943418
Talc  (*)Clay TalcMg3Si4O10(OH)227092600616602,16613,16616,16630,16638,166503337
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13268026001165945317
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2270927011166132562
Troilite  (*)NoneFeS268026001166251044
Valleriite  (*)Valleriite2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2]27092600216612,16613237
Violarite  (*)SpinelFeNi2S427092600416598,16602,16612,16613380



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_610Ni-Cu sulfides in komatiite
Michelle_647Ni-Cu sulfides in komatiite


4 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
EG90_845-00003267826702674±4Pb-Pb zircon  YesZircon  223Kalgoorlie-Boulder Shire, Western Australia, Australia Kent and McDougall (1995)10.2113/gsecongeo.90.4.845EG90_845 
Hg-0011726802600 Ar-Ar, U-Pb high   YesColoradoiteHg223Kalgoorlie-Boulder Shire, Western Australia, Australia Kent and McDougall (1995)10.2113/gsecongeo.90.4.845EG90_845 
Michelle_610270927012705±4 Age of deposit or general age of the metallogenic province     Ni, Cu291273East Scotia Ni Prospect, Bardoc, Broad Arrow Goldfield, Kalgoorlie-Boulder Shire, Western Australia, AustraliaEast ScotiaHoatson et al. (2006)10.1016/j.oregeorev.2006.05.002OGR29_177See Table. 1 Global resources of nickel metal and ages of the major nickel sulfide deposits of the world. Age can refer to the age of a specific nickel sulfide deposit, or the general age of the metallogenic province containing nickel deposits that are similar to a dated deposit (e.g. 2705 Ma Komatiite-hosted deposits in the Eastern Goldfields Province). Dates on felsic volcanic rocks that include komatiites are consistent with an inferred eruption age for these komatiites of c. 2705 Ma.
Michelle_647270927012705±4 Age of deposit or general age of the metallogenic province     Ni, Cu203751Scotia Nickel Mine, Bardoc, Broad Arrow Goldfield, Kalgoorlie-Boulder Shire, Western Australia, AustraliaScotiaHoatson et al. (2006)10.1016/j.oregeorev.2006.05.002OGR29_177See Table. 1 Global resources of nickel metal and ages of the major nickel sulfide deposits of the world. Age can refer to the age of a specific nickel sulfide deposit, or the general age of the metallogenic province containing nickel deposits that are similar to a dated deposit (e.g. 2705 Ma Komatiite-hosted deposits in the Eastern Goldfields Province). Dates on felsic volcanic rocks that include komatiites are consistent with an inferred eruption age for these komatiites of c. 2705 Ma.


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...