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:
Westport, Buller District, West Coast Region, New Zealand

Oldest recorded age at locality: 503
Youngest recorded age at locality: 50

mindat Locality ID: 297120
mindat URL: http://www.mindat.org/loc-297120.html

Tectonic Settings:

Total number of sublocalities beneath "Westport, Buller District, West Coast Region, New Zealand": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Hawks Crag
Heaphy Mine (Berlins; Berlins Creek)
Mispickel Creek

Latitude: 41°51'43"S
Longitude: 171°47'8"E
Decimal Degree (lat, lon): -41.861944444444,171.78555555556

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: Ba C Ca Cu F Fe H Mg Na O P S Si Ti U V Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AutuniteBaryteCalciteChalcopyriteDevillineFluoriteMeta-autuniteNoneNot in a structural groupPyrite
SchoepiteZippeiteZircon

24 IMA Minerals at location:
Anatase  (*)Ankerite  (*)Autunite  (*)Baryte  (*)Becquerelite  (*)
Calcite  (*)Chalcopyrite  (*)Coffinite  (*)Dolomite  (*)Fluorite  (*)
Meta-autunite  (*)Metatorbernite  (*)Natrozippeite  (*)Pyrite  (*)Rutherfordine  (*)
Saléeite  (*)Schoepite  (*)Serpierite  (*)Sklodowskite  (*)Torbernite  (*)
Tyuyamunite  (*)Uraninite  (*)Uranophane-α  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Anatase  (*)Not in a structural groupTiO2109.1801886312162
Ankerite  (*)NoneCa(Fe2+,Mg)(CO3)2109.1801886313092
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O109.1801886311272
Baryte  (*)BaryteBa(SO4)100.5100.318863311547
Becquerelite  (*)NoneCa(UO2)6O4(OH)6·8H2O109.18018863192
Calcite  (*)CalciteCa(CO3)109.18018863127770
Chalcopyrite  (*)ChalcopyriteCuFeS2109.18018863127198
Coffinite  (*)ZirconU(SiO4)·nH2O109.180188631566
Dolomite  (*)NoneCaMg(CO3)2109.1801886319895
Fluorite  (*)FluoriteCaF2109.1801886319617
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O109.180188631388
Metatorbernite  (*)NoneCu(UO2)2(PO4)2·8H2O109.180188631443
Natrozippeite  (*)ZippeiteNa5(UO2)8(SO4)4O5(OH)3·12H2O109.18018863141
Pyrite  (*)PyriteFeS2109.18018863139462
Rutherfordine  (*)None(UO2)(CO3)109.18018863158
Saléeite  (*)NoneMg(UO2)2(PO4)2(H2O)10109.18018863195
Schoepite  (*)Schoepite(UO2)4O(OH)6(H2O)6109.18018863194
Serpierite  (*)DevillineCa(Cu,Zn)4(SO4)2(OH)6·3H2O109.180188631292
Sklodowskite  (*)NoneMg(UO2)2(SiO3OH)2·6H2O109.18018863156
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O109.1801886311059
Tyuyamunite  (*)NoneCa(UO2)2(VO4)2·5-8H2O109.180188631628
Uraninite  (*)FluoriteUO2109.1801886312718
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O109.180188631890
Zircon  (*)ZirconZr(SiO4)109.1801886315251



25 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
Giersdorf_00000750114114114K-ArData suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous hornblendeFW-4    297120Westport, Buller District, West Coast Region, New ZealandBuller DistrictSpell et al. (2000)10.1029/1999TC900046T19_433Integrated K-Ar age
Giersdorf_00000751112110112-110K-ArData suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous hornblendeFW-4    297120Westport, Buller District, West Coast Region, New ZealandBuller DistrictSpell et al. (2000)10.1029/1999TC900046T19_433Age acquired during the heating process, referenced by the above to attest to the 114 Ma age's accuracy, plateau segment from ~1-81% gas released
Giersdorf_00000752110108109±1K-ArData suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous highhornblendeFW-4    297120Westport, Buller District, West Coast Region, New ZealandBuller DistrictSpell et al. (2000)10.1029/1999TC900046T19_433Isochron K-Ar age is best estimate for closure of th argon system in this mineral
Giersdorf_00000753100100100K-ArData suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous biotiteFW-4    297120Westport, Buller District, West Coast Region, New ZealandBuller DistrictSpell et al. (2000)10.1029/1999TC900046T19_433Age acquired during the heating process, with 90% of the emitted gas creating this result.
Giersdorf_00000754102.2100101.1±1.1K-ArData suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous biotiteFW-4    297120Westport, Buller District, West Coast Region, New ZealandBuller DistrictSpell et al. (2000)10.1029/1999TC900046T19_433Isochron K-Ar age
Giersdorf_00000755979797K-ArData suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous orthoclaseFW-4  OrthoclaseOrthoclase 297120Westport, Buller District, West Coast Region, New ZealandBuller DistrictSpell et al. (2000)10.1029/1999TC900046T19_433Age acquired during the heating process, interpreted by the author to be the only age of geological significance, as the author noted an excess of argon in the sample
Giersdorf_00000756145140145-140K-ArData suggests that the Foulwind Granite was intruded and remained at depths of 14-18 km and temperature of >600 C until Cretaceous unroofing when hornblende, biotite, and K-feldspar closed. Alternatively, the thermal history could just reflect Cretaceous loworthoclaseFW-4  OrthoclaseOrthoclase 297120Westport, Buller District, West Coast Region, New ZealandBuller DistrictSpell et al. (2000)10.1029/1999TC900046T19_433Age is disregarded due to the belief that it is caused by an excess of argon
Giersdorf_00000778109109109K-Ar muscoviteHCB(t)-1  MuscoviteMuscovite 15243Hawks Crag, Westport, Buller District, West Coast Region, New ZealandHawks CragSpell et al. (2000)10.1029/1999TC900046T19_433Age acquired from 92% of the results during the experimentation
Giersdorf_00000779109.1108.7108.9±0.2K-Ar highmuscoviteHCB(t)-1  MuscoviteMuscovite 15243Hawks Crag, Westport, Buller District, West Coast Region, New ZealandHawks CragSpell et al. (2000)10.1029/1999TC900046T19_433Total gas age
Giersdorf_00000780968096-80K-Ar orthoclaseHCB(t)-1  OrthoclaseOrthoclase 15243Hawks Crag, Westport, Buller District, West Coast Region, New ZealandHawks CragSpell et al. (2000)10.1029/1999TC900046T19_433Age yielded from the sampling of the first 10% of the emitted gas
Giersdorf_00000781999699-96K-Ar orthoclaseHCB(t)-1  OrthoclaseOrthoclase 15243Hawks Crag, Westport, Buller District, West Coast Region, New ZealandHawks CragSpell et al. (2000)10.1029/1999TC900046T19_433Age yielded from the remaining 90% of the gas in comparison to the above entry
Giersdorf_0000078296.696.296.4±0.2K-Ar highorthoclaseHCB(t)-1  OrthoclaseOrthoclase 15243Hawks Crag, Westport, Buller District, West Coast Region, New ZealandHawks CragSpell et al. (2000)10.1029/1999TC900046T19_433Total gas age
Giersdorf_00000783103103103K-Ar muscoviteHCB(b)-3  MuscoviteMuscovite 15243Hawks Crag, Westport, Buller District, West Coast Region, New ZealandHawks CragSpell et al. (2000)10.1029/1999TC900046T19_433Slightly younger age that is disregarded due to the remaining samples all lining up with the age of 108
Giersdorf_00000784108.3107.7108±0.3K-Ar highmuscoviteHCB(b)-3  MuscoviteMuscovite 15243Hawks Crag, Westport, Buller District, West Coast Region, New ZealandHawks CragSpell et al. (2000)10.1029/1999TC900046T19_433Total gas age
Giersdorf_00000767102.5102.5102.5K-Ar muscoviteRQD-1  MuscoviteMuscovite 15355Mispickel Creek, Westport, Buller District, West Coast Region, New ZealandWestportSpell et al. (2000)10.1029/1999TC900046T19_433Age acquired through 98% of the gas extraction
Giersdorf_00000768102.5102.1102.3±0.2K-Ar highmuscoviteRQD-1  MuscoviteMuscovite 15355Mispickel Creek, Westport, Buller District, West Coast Region, New ZealandWestportSpell et al. (2000)10.1029/1999TC900046T19_433Total Gas Age, taken as the best result for the sample
Giersdorf_00000769818181K-Ar lowbiotiteRQD-1    15355Mispickel Creek, Westport, Buller District, West Coast Region, New ZealandWestportSpell et al. (2000)10.1029/1999TC900046T19_433Initial age acquired during the gas release process, regarded as inconsistent
Giersdorf_00000770100100100K-Ar biotiteRQD-1    15355Mispickel Creek, Westport, Buller District, West Coast Region, New ZealandWestportSpell et al. (2000)10.1029/1999TC900046T19_433Age summarization acquired during the remainder of the gas release process
Giersdorf_00000771100.399.399.8±0.5K-Ar biotiteRQD-1    15355Mispickel Creek, Westport, Buller District, West Coast Region, New ZealandWestportSpell et al. (2000)10.1029/1999TC900046T19_433Total gas age
Giersdorf_00000772100.5100.3100.4±0.1K-Ar highbiotiteRQD-1    15355Mispickel Creek, Westport, Buller District, West Coast Region, New ZealandWestportSpell et al. (2000)10.1029/1999TC900046T19_433Plateau segment of the age plot used as the best age for the sample
Giersdorf_00000773503138503-138K-Ar loworthoclaseRQD-1  OrthoclaseOrthoclase 15355Mispickel Creek, Westport, Buller District, West Coast Region, New ZealandWestportSpell et al. (2000)10.1029/1999TC900046T19_433Initial age acquired during the gas release process, regarded as inconsistent
Giersdorf_00000774905090-50K-Ar loworthoclaseRQD-1  OrthoclaseOrthoclase 15355Mispickel Creek, Westport, Buller District, West Coast Region, New ZealandWestportSpell et al. (2000)10.1029/1999TC900046T19_433Apparent age range from the sample throughout the degassing process
Giersdorf_00000775979797K-Ar orthoclaseRQD-1  OrthoclaseOrthoclase 15355Mispickel Creek, Westport, Buller District, West Coast Region, New ZealandWestportSpell et al. (2000)10.1029/1999TC900046T19_433Age to which most of the remaining ages rose to during the testing process
Giersdorf_00000776979097-90K-Ar highorthoclaseRQD-1  OrthoclaseOrthoclase 15355Mispickel Creek, Westport, Buller District, West Coast Region, New ZealandWestportSpell et al. (2000)10.1029/1999TC900046T19_43390% of the age tests yielded ages within this range for the sample
Giersdorf_00000777939393K-Ar orthoclaseRQD-1  OrthoclaseOrthoclase 15355Mispickel Creek, Westport, Buller District, West Coast Region, New ZealandWestportSpell et al. (2000)10.1029/1999TC900046T19_433Total gas age


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

All age data...

Other copyright data...