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 Montebrasite at Rongi Amblygonite Pegmatite, Gatumba, Ngororero District, Western Province, Rwanda

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 932.3Ma - 929.9Ma 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
Alexandra-0234	932.3	929.9	Columbite-(Fe)		Ta,Nb	243295	Rongi Amblygonite Pegmatite, Gatumba, Ngororero District, Western Province, Rwanda	Melcher et al. (2015)	OGR64_667

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
Grew_Li_2019_0007	980	980		Bertossaite		58310	Rubindi Pegmatite (Kabilizi), Gatumba, Ngororero District, Western Province, Rwanda	Hulsbosch et al. (2013, 2014)	GB16_105, GCA132_349