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:
Holberg, Vancouver Island, Nanaimo Mining Division, British Columbia, Canada

Oldest recorded age at locality: 170
Youngest recorded age at locality: 170

mindat Locality ID: 228047
mindat URL: http://www.mindat.org/loc-228047.html

Tectonic Settings:

Total number of sublocalities beneath "Holberg, Vancouver Island, Nanaimo Mining Division, British Columbia, Canada": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Hushamu Cu-Au Deposit
Red Dog Cu Deposit

Latitude: 50°41'34"N
Longitude: 127°54'52"W
Decimal Degree (lat, lon): 50.692777777778,-127.91444444444
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 Cl Cu F Fe H K Mo O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ChalcopyriteClayCovelliteDiasporeDigeniteEnargiteKaoliniteMicaMolybdeniteNickeline
NonePyritePyrophylliteSpinelWurtzite

16 IMA Minerals at location:
Alunite  (*)Bornite  (*)Chalcocite  (*)Chalcopyrite  (*)Covellite  (*)
Diaspore  (*)Digenite  (*)Enargite  (*)Kaolinite  (*)Magnetite  (*)
Molybdenite  (*)Muscovite  (*)Pyrite  (*)Pyrophyllite  (*)Pyrrhotite  (*)
Zunyite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alunite  (*)NoneKAl3(SO4)2(OH)6170170129881966
Bornite  (*)NoneCu5FeS41701701298815516
Chalcocite  (*)NoneCu2S1701701298815707
Chalcopyrite  (*)ChalcopyriteCuFeS2170170229881,2988227198
Covellite  (*)CovelliteCuS1701701298814165
Diaspore  (*)DiasporeAlO(OH)170170129881481
Digenite  (*)DigeniteCu1.8S1701701298811027
Enargite  (*)Enargite WurtziteCu3AsS4170170129881910
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)41701701298815591
Magnetite  (*)SpinelFe2+Fe3+2O4170170229881,2988214899
Molybdenite  (*)MolybdeniteMoS2170170229881,298825800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2170170229881,2988217380
Pyrite  (*)PyriteFeS2170170229881,2988239462
Pyrophyllite  (*)Clay PyrophylliteAl2Si4O10(OH)2170170129881771
Pyrrhotite  (*)NickelineFe7S81298829056
Zunyite  (*)NoneAl13Si5O20(OH,F)18Cl17017012988186


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
PorphCu-00665170170170      Alunite, Bornite, Chalcopyrite, Covellite, Diaspore, Enargite, Magnetite, Molybdenite, Pyrite, Pyrophyllite, ZunyiteCu228046Hushamu Cu-Au Deposit, Holberg, Vancouver Island, Nanaimo Mining Division, British Columbia, CanadaHushamuSinger et al. (2008) USGSOFR2008_1155 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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