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 Actinolite at Kenticha Pegmatite Field, Oromia Region (Oromiya Region), Ethiopia

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 534.4Ma - 523.6Ma 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-0205	534.4	523.6	Tantalite-(Mn)		Ta,Nb	207321	Kenticha Pegmatite Field, Oromia Region (Oromiya Region), Ethiopia	Melcher et al. (2015)	OGR64_667

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-0205	534.4	523.6	Tantalite-(Mn)		Ta,Nb	207321	Kenticha Pegmatite Field, Oromia Region (Oromiya Region), Ethiopia	Melcher et al. (2015)	OGR64_667
Alexandra-0206	532.3	527.7	Tantalite-(Mn)		Ta,Nb	207321	Kenticha Pegmatite Field, Oromia Region (Oromiya Region), Ethiopia	Melcher et al. (2015)	OGR64_667
Alexandra-0252	533.3	525.1	Tantalite-(Mn)		Ta,Nb	207325	Bupo I Dyke (Bupo Pegmatite), Kenticha Pegmatite Field, Oromia Region (Oromiya Region), Ethiopia	Melcher et al. (2015)	OGR64_667
Alexandra-0253	536.4	523.6	Tantalite-(Mn)		Ta,Nb	207325	Bupo I Dyke (Bupo Pegmatite), Kenticha Pegmatite Field, Oromia Region (Oromiya Region), Ethiopia	Melcher et al. (2015)	OGR64_667