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:
Holla Area, Fen Complex, Nome, Telemark, Norway

Oldest recorded age at locality: 602
Youngest recorded age at locality: 525

mindat Locality ID: 294752
mindat URL: http://www.mindat.org/loc-294752.html

Tectonic Settings:

Total number of sublocalities beneath "Holla Area, Fen Complex, Nome, Telemark, Norway": 0
Total number of bottom-level sublocalities: 0

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0
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 Ca Fe H K Mg Na O Si 

Elements from minerals reported directly at this locality: Al Ca Fe H K Mg Na O Si 

Structural Groups for minerals in this locality: 
AmphiboleFeldsparNonePyroxeneQuartzSpinel

9 IMA Minerals at location:
Aegirine  (*)Aegirine-augite  (*)Albite  (*)Magnesio-arfvedsonite  (*)Magnetite  (*)
Microcline  (*)Quartz  (*)Richterite  (*)Riebeckite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aegirine  (*)PyroxeneNaFe3+Si2O660252501022
Aegirine-augite  (*)Pyroxene(Ca,Na)(Fe3+,Mg,Fe2+)Si2O66025250286
Albite  (*)FeldsparNa(AlSi3O8)60252508803
Magnesio-arfvedsonite  (*)AmphiboleNaNa2(Mg4Fe3+)Si8O22(OH)2602525079
Magnetite  (*)SpinelFe2+Fe3+2O4602525014899
Microcline  (*)FeldsparK(AlSi3O8)60252504924
Quartz  (*)QuartzSiO2602525061156
Richterite  (*)AmphiboleNa(NaCa)Mg5Si8O22(OH)26025250148
Riebeckite  (*)Amphibole   Na2(Fe2+3Fe3+2)Si8O22(OH)26025250375


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000509Baltica carbonatite complex
Jen_0001168MAGMATIC STYLE: Irregular bodies, dykes and sheets. ASSOCIATED SILICATE ROCKS: Melteigite, ijolite, urtite, augite-amphibole-biotite rock, nepheline syenites and fenite.
Jen_0001169MAGMATIC STYLE: Irregular bodies, dykes and sheets. ASSOCIATED SILICATE ROCKS: Melteigite, ijolite, urtite, augite-amphibole-biotite rock, nepheline syenites and fenite.
Jen_0001170MAGMATIC STYLE: Irregular bodies, dykes and sheets. ASSOCIATED SILICATE ROCKS: Melteigite, ijolite, urtite, augite-amphibole-biotite rock, nepheline syenites and fenite.


4 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
Jen_0000509598568583±15Ar-Ar    Yes  14357Fen Complex, Nome, Telemark, NorwayFen ComplexErnst and Bell (2010)10.1007/s00710-009-0074-1MP98_55 
Jen_0001168557543550±7Rb-Sr whole rock  Yes  14357Fen Complex, Nome, Telemark, NorwayFenWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0001169602554578±24Rb-Sr phlogopite  YesPhlogopite  14357Fen Complex, Nome, Telemark, NorwayFenWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0001170553525539±14Pb-Pb    Yes  14357Fen Complex, Nome, Telemark, NorwayFenWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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