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 Fukalite at Mihara Mine, Higashi-Mihara, Ibara City, Okayama, Japan

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 87.9Ma - 81.1Ma 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
Kristen001930	87.9	81.1	Muscovite			230640	Ibara City, Okayama, Japan	Shibata and Ishihara (1974)	EG69_1207