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 Frondelite at Borborema Mineral Province, Paraíba, Brazil

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 591Ma - 520Ma at this locality

Age range from children

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
Alexandra-0125	591	559	Zircon			444	Serra Branca Pegmatite, Pedra Lavrada, Borborema Mineral Province, Paraíba, Brazil	GUIMARÃES et al. (2017)	RBG30_177
Grew_Li_2019_0015	520	520		Colquiriite		444	Serra Branca Pegmatite, Pedra Lavrada, Borborema Mineral Province, Paraíba, Brazil	Beurlen et al. (2014)	JSAES56_110

Locality age (prioritized)

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
Alexandra-0125	591	559	Zircon			444	Serra Branca Pegmatite, Pedra Lavrada, Borborema Mineral Province, Paraíba, Brazil	GUIMARÃES et al. (2017)	RBG30_177

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
Grew_Li_2019_0015	520	520		Colquiriite		444	Serra Branca Pegmatite, Pedra Lavrada, Borborema Mineral Province, Paraíba, Brazil	Beurlen et al. (2014)	JSAES56_110