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:
Jahren Feldspar Quarry (Jaren Feldspar Quarry), Jahren Pegmatite (Jaren Pegmatite), Stavern (Fredriksvärn), Larvik, Vestfold, Norway

Oldest recorded age at locality: 294
Youngest recorded age at locality: 294

mindat Locality ID: 32937
mindat URL: http://www.mindat.org/loc-32937.html

Tectonic Settings:

Total number of sublocalities beneath "Jahren Feldspar Quarry (Jaren Feldspar Quarry), Jahren Pegmatite (Jaren Pegmatite), Stavern (Fredriksvärn), Larvik, Vestfold, Norway": 0
Total number of bottom-level sublocalities: 0

Latitude: 58°59'14"N
Longitude: 10°0'23"E
Decimal Degree (lat, lon): 58.987222222222,10.006388888889

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 B Be C Ca Ce F Fe H K Li Na O Si Ti Zr 

Elements from minerals reported directly at this locality: Al B Be C Ca Ce F Fe H K Li Na O Si Ti Zr 

Structural Groups for minerals in this locality: 
AmphiboleBastnäsiteChevkiniteCorundumElpiditeFeldsparMicaNoneNot in a structural groupPyroxene
QuartzSapphirineTitaniteZircon

19 IMA Minerals at location:
Aegirine  (*)Aenigmatite  (*)Albite  (*)Bastnäsite-(Ce)  (*)Chevkinite-(Ce)  (*)
Elpidite  (*)Epididymite  (*)Eudidymite  (*)Ferro-edenite  (*)Ferro-richterite  (*)
Hambergite  (*)Hedenbergite  (*)Ilmenite  (*)Microcline  (*)Polylithionite  (*)
Quartz  (*)Titanite  (*)Zektzerite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O629429401022
Aenigmatite  (*)SapphirineNa4[Fe2+10Ti2]O4[Si12O36]2942940133
Albite  (*)FeldsparNa(AlSi3O8)29429408803
Bastnäsite-(Ce)  (*)BastnäsiteCe(CO3)F2942940304
Chevkinite-(Ce)  (*)ChevkiniteCe4(Ti,Fe2+,Fe3+)5O8(Si2O7)2294294089
Elpidite  (*)ElpiditeNa2ZrSi6O15·3H2O294294050
Epididymite  (*)Not in a structural groupNa2Be2Si6O15·H2O294294070
Eudidymite  (*)NoneNa2Be2Si6O15·H2O294294042
Ferro-edenite  (*)AmphiboleNaCa2Fe2+5(Si7Al)O22(OH)2294294057
Ferro-richterite  (*)AmphiboleNa(NaCa)Fe2+5Si8O22(OH)2294294030
Hambergite  (*)NoneBe2(BO3)(OH)294294081
Hedenbergite  (*)PyroxeneCaFe2+Si2O62942940741
Ilmenite  (*)CorundumFe2+Ti4+O329429405433
Microcline  (*)FeldsparK(AlSi3O8)29429404924
Polylithionite  (*)MicaKLi2AlSi4O10F2294294089
Quartz  (*)QuartzSiO2294294061156
Titanite  (*)TitaniteCaTi(SiO4)O29429404899
Zektzerite  (*)NoneNaLiZrSi6O15294294011
Zircon  (*)ZirconZr(SiO4)29429405251



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
Be-00062294294294  high   YesGugiaiteBe146895Thorstein Quarry, Brunlanes, Larvik, Vestfold, NorwayLarvik plutonic complex, NorwayLarsen (2010) BOOK_LHGPM_2010 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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