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:
Dora Bay, Cholmondeley Sound, Prince Of Wales Island, Ketchikan District, Prince Of Wales-Hyder Census Area, Alaska, USA

Oldest recorded age at locality: 105
Youngest recorded age at locality: 105

mindat Locality ID: 195982
mindat URL: http://www.mindat.org/loc-195982.html

Tectonic Settings:

Total number of sublocalities beneath "Dora Bay, Cholmondeley Sound, Prince Of Wales Island, Ketchikan District, Prince Of Wales-Hyder Census Area, Alaska, USA": 1
Total number of bottom-level sublocalities: 1

Number of Child Localities: 1
Child Localities:
Unnamed Occurrences (ARDF - CR172)

Latitude: 55°10'4"N
Longitude: 132°14'37"W
Decimal Degree (lat, lon): 55.167777777778,-132.24361111111
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 C Ca Ce Cl F Fe H K Mn Na Nb O Pb S Si Ta Th Ti U Y Zn Zr 

Elements from minerals reported directly at this locality: Al Ca F K Na O Si 

Structural Groups for minerals in this locality: 
AmphiboleCalciteClayColumbiteEudialyteFeldsparFluoriteMicaNonePyrite
PyroxeneQuartzRocksaltSphaleriteTridymiteZircon

15 IMA Minerals at location:
Aegirine  (*)Albite  (*)Calcite  (*)Eudialyte  (*)Euxenite-(Y)  (*)
Fluorite  (*)Galena  (*)Muscovite  (*)Nepheline  (*)Pyrite  (*)
Quartz  (*)Rhodochrosite  (*)Riebeckite  (*)Sphalerite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O610510511330991022
Albite  (*)FeldsparNa(AlSi3O8)10510511330998803
Calcite  (*)CalciteCa(CO3)105105113309927770
Eudialyte  (*)EudialyteNa15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)21051051133099182
Euxenite-(Y)  (*)ColumbiteY(NbTi)O61051051133099414
Fluorite  (*)FluoriteCaF210510509617
Galena  (*)RocksaltPbS105105113309924243
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2105105113309917380
Nepheline  (*)TridymiteNa3K(Al4Si4O16)1051050884
Pyrite  (*)PyriteFeS2105105113309939462
Quartz  (*)QuartzSiO2105105113309961156
Rhodochrosite  (*)CalciteMn(CO3)10510511330991711
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)21051051133099375
Sphalerite  (*)SphaleriteZnS105105113309921482
Zircon  (*)ZirconZr(SiO4)10510511330995251


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
Mo-00051105105      YesMolybdeniteMo3290Prince Of Wales Island, Ketchikan District, Prince Of Wales-Hyder Census Area, Alaska, USAPrince of Wales IslandG. Gehrels; personal communications   

All locality data graciously provided by mindat.org

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