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:
Granduc Mine, Stewart, Skeena Mining Division, British Columbia, Canada

Oldest recorded age at locality: 201
Youngest recorded age at locality: 174

mindat Locality ID: 259043
mindat URL: http://www.mindat.org/loc-259043.html

Tectonic Settings:

Total number of sublocalities beneath "Granduc Mine, Stewart, Skeena Mining Division, British Columbia, Canada": 0
Total number of bottom-level sublocalities: 0

Latitude: 56°12'39"N
Longitude: 130°20'42"W
Decimal Degree (lat, lon): 56.210833333333,-130.345
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 As Au C Ca Co Cu Fe H K Mg O Pb S Si Zn 

Elements from minerals reported directly at this locality: Al As Au C Ca Co Cu Fe H K Mg O Pb S Si Zn 

Structural Groups for minerals in this locality: 
AmphiboleArsenopyriteCalciteChalcopyriteClayClinozoisiteCobaltiteCopperEpidoteGypsum
MicaNickelineNonePyriteQuartzRocksaltSphaleriteSpinel

16 IMA Minerals at location:
Actinolite  (*)Arsenopyrite  (*)Bornite  (*)Calcite  (*)Chalcopyrite  (*)
Cobaltite  (*)Epidote  (*)Galena  (*)Gold  (*)Gypsum  (*)
Magnetite  (*)Muscovite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)
Sphalerite  (*)
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)220117403419
Arsenopyrite  (*)ArsenopyriteFeAsS20117409052
Bornite  (*)NoneCu5FeS420117405516
Calcite  (*)CalciteCa(CO3)201174027770
Chalcopyrite  (*)ChalcopyriteCuFeS2201174027198
Cobaltite  (*)CobaltiteCoAsS2011740966
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)20117408173
Galena  (*)RocksaltPbS201174024243
Gold  (*)CopperAu201174030554
Gypsum  (*)GypsumCa(SO4)·2H2O20117406890
Magnetite  (*)SpinelFe2+Fe3+2O4201174014899
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2201174017380
Pyrite  (*)PyriteFeS2201174039462
Pyrrhotite  (*)NickelineFe7S820117409056
Quartz  (*)QuartzSiO2201174061156
Sphalerite  (*)SphaleriteZnS201174021482


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
vms-00076201174Lower Jurassic        259043Granduc Mine, Stewart, Skeena Mining Division, British Columbia, CanadaGranducMoiser et al. (2009) USGSOFR2009-1034 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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