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 Alunite at Osamu Utsumi Mine, Campo Do Cercado, Caldas, Poços De Caldas Alkaline Complex, Minas Gerais, Brazil

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 76Ma - 76Ma at this locality

Locality age

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_00000823	76	76		Brannerite, Uraninite		30595	Osamu Utsumi Mine, Campo Do Cercado, Caldas, Poços De Caldas Alkaline Complex, Minas Gerais, Brazil	Pearcy et al. (1994)	AG9_713