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:
Kleggåsen Ruby Quarry, Froland, Aust-Agder, Norway

Oldest recorded age at locality: 1090
Youngest recorded age at locality: 843

mindat Locality ID: 32931
mindat URL: http://www.mindat.org/loc-32931.html

Tectonic Settings:

Total number of sublocalities beneath "Kleggåsen Ruby Quarry, Froland, Aust-Agder, Norway": 0
Total number of bottom-level sublocalities: 0

Latitude: 58°31'53"N
Longitude: 8°38'12"E
Decimal Degree (lat, lon): 58.531388888889,8.6366666666667

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 Be Ca Cr F H K Mg Na O P Si Ti 

Elements from minerals reported directly at this locality: Al Be Ca Cr F H K Mg Na O P Si Ti 

Structural Groups for minerals in this locality: 
ApatiteBerylClayCorundumDiasporeFeldsparMicaNoneNot in a structural groupRutile
Smectite-vermiculite

10 IMA Minerals at location:
Albite  (*)Beryl  (*)Corundum  (*)Diaspore  (*)Fluorapatite  (*)
Kyanite  (*)Muscovite  (*)Rutile  (*)Sillimanite  (*)Volkonskoite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)109084308803
Beryl  (*)BerylBe3Al2Si6O18109084304286
Corundum  (*)CorundumAl2O3109084301797
Diaspore  (*)DiasporeAlO(OH)10908430481
Fluorapatite  (*)ApatiteCa5(PO4)3F109084302740
Kyanite  (*)Not in a structural groupAl2OSiO4109084301507
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)21090843017380
Rutile  (*)RutileTiO2109084305614
Sillimanite  (*)Not in a structural groupAl2SiO5109084301516
Volkonskoite  (*)Clay Smectite-vermiculiteCa0.3(Cr,Mg)2(Si,Al)4O10(OH)2·4H2O10901090022



3 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
Cr-00016109010901090U-Pb cleveite  YesVolkonskoiteCr14334Aust-Agder, NorwayAust-Agder, TelemarkGastil (1960)10.2475/ajs.258.1.1AJS258_1 
Mo-00039982944 Rb-Sr    Yes Mo2456Froland, Aust-Agder, Norway Baadsgaard et al. (1984) NGT64_111 
Mo-00040943843893±50Rb-Sr    YesMolybdeniteMo2456Froland, Aust-Agder, NorwayFrolandBaadsgaard et al. (1984) NGT64_111 


SampleSource LocalityReference URL


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