Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Columbite-(Fe) at Cheb District, Karlovy Vary Region, Czech Republic

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 191Ma - 179Ma at this locality

Locality age (remote)

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Giersdorf_00000829	191	179	Brannerite	Brannerite, Coffinite, Uraninite	U	106091	Zadní Chodov (Hinterkotten), Planá U Mariánských Lázní, Tachov District, Plzeň Region, Czech Republic	René (2017)	OGR81_188