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 Muscovite at Gemmell Township, Thunder Bay District, Ontario, Canada

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 2720Ma - 2720Ma 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
vms-00247	2720	2720			S	6771	Geco Mine, Gemmell Township, Thunder Bay District, Ontario, Canada	Moiser et al. (2009)	USGSOFR2009_1034

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
vms-00247	2720	2720			S	6771	Geco Mine, Gemmell Township, Thunder Bay District, Ontario, Canada	Moiser et al. (2009)	USGSOFR2009_1034
vms-00269	4000	2500				244258	Willroy Mine, Gemmell Township, Thunder Bay District, Ontario, Canada	Moiser et al. (2009)	USGSOFR2009-1034
vms-00270	4000	2500				244258	Willroy Mine, Gemmell Township, Thunder Bay District, Ontario, Canada	Moiser et al. (2009)	USGSOFR2009-1034