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 Montmorillonite at Tomtor Massif, Polar Yakutia, Sakha Republic (Yakutia), Russia

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 540Ma - 390Ma 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
ree-00527	540	390				67560	Tomtor Massif, Polar Yakutia, Sakha Republic (Yakutia), Russia	Orris and Grauch (2002)	USGSOFR02_189

Locality age (deprioritized)

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
Jen_0001200	541	348				67560	Tomtor Massif, Polar Yakutia, Sakha Republic (Yakutia), Russia	Woolley and Kjarsgaard (2008)	GSCOF5796