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:
Sunde Bridge, Snaresund, Tvedestrand, Aust-Agder, Norway

Oldest recorded age at locality: 1105
Youngest recorded age at locality: 1083

mindat Locality ID: 157917
mindat URL: http://www.mindat.org/loc-157917.html

Tectonic Settings:

Total number of sublocalities beneath "Sunde Bridge, Snaresund, Tvedestrand, Aust-Agder, Norway": 0
Total number of bottom-level sublocalities: 0

Latitude: 58°35'35"N
Longitude: 9°0'15"E
Decimal Degree (lat, lon): 58.593055555556,9.0041666666667

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 Fe H Mg O Si Ti 

Elements from minerals reported directly at this locality: Al Fe H Mg O Si Ti 

Structural Groups for minerals in this locality: 
AmphiboleBerylCorundumNonePyroxeneRutileSapphirineSpinel

10 IMA Minerals at location:
Cordierite  (*)Corundum  (*)Enstatite  (*)Gedrite  (*)Hercynite  (*)
Ilmenite  (*)Magnetite  (*)Rutile  (*)Sapphirine  (*)Spinel  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Cordierite  (*)BerylMg2Al4Si5O181105108301008
Corundum  (*)CorundumAl2O31105108301797
Enstatite  (*)PyroxeneMg2Si2O6110510830944
Gedrite  (*)Amphibole   Mg2(Mg3Al2)(Si6Al2)O22(OH)2110510830178
Hercynite  (*)SpinelFe2+Al2O4110510830407
Ilmenite  (*)CorundumFe2+Ti4+O31105108305433
Magnetite  (*)SpinelFe2+Fe3+2O411051083014899
Rutile  (*)RutileTiO21105108305614
Sapphirine  (*)SapphirineMg4(Mg3Al9)O4[Si3Al9O36]110510830129
Spinel  (*)SpinelMgAl2O41105108301934



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
Bradley_2012_118110510831094±11U/Pb euxenite  Yes  12430Tvedestrand, Aust-Agder, NorwayTvedestrandMcCauley and Bradley (2014)10.3749/canmin.52.2.183CM52_183 


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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