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 Polycrase-(Y) at Tongliao League (Tongliao Prefecture), Inner Mongolia, China

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 127Ma - 127Ma 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
ree-00257	127	127				143934	Baerzhe Complex, Jarud Banner (Zalute Co.), Tongliao League (Tongliao Prefecture), Inner Mongolia, China	Orris and Grauch (2002)	USGSOFR02_189

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
ree-00257	127	127				143934	Baerzhe Complex, Jarud Banner (Zalute Co.), Tongliao League (Tongliao Prefecture), Inner Mongolia, China	Orris and Grauch (2002)	USGSOFR02_189
ree-00333	201	66				157957	Xing'an Deposit (Hinggan Deposit), Jarud Banner (Zalute Co.), Tongliao League (Tongliao Prefecture), Inner Mongolia, China	Orris and Grauch (2002)	USGSOFR02_189