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 Uwamuki Deposit (Uwamukai Deposit), Kosaka Mine, Kosaka, Akita, Japan

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 23Ma - 5.3Ma at this locality

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
vms-00535	23	5.3				108083	Motoyama Deposit, Kosaka Mine, Kosaka, Akita, Japan	Moiser et al. (2009)	USGSOFR2009-1034
vms-00536	23	5.3				142707	Uchinotai Deposit, Kosaka Mine, Kosaka, Akita, Japan	Moiser et al. (2009)	USGSOFR2009-1034