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 Topaz at Ebisu Mine, Hirukawa, Nakatsugawa City, Gifu, Japan

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 66.8Ma - 61.6Ma 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
Kristen001936	66.8	61.6	Muscovite			6411	Ebisu Mine, Hirukawa, Nakatsugawa City, Gifu, Japan	Shibata and Ishihara (1974)	EG69_1207
Mo-00083	66.8	61.6		Koechlinite, Molybdenite	Mo	6411	Ebisu Mine, Hirukawa, Nakatsugawa City, Gifu, Japan	Shibata and Ishihara (1974)	EG69_1207