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 Cryptomelane at Funakozawa Mine, Ono, Hirono-cho, Kunohe-gun, Iwate, Japan

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 201Ma - 145Ma at this locality

Mineralization 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
Scott-CGSSWAN3_33-0001	201	145			Mn	2200	Funakozawa Mine, Ono, Hirono-cho, Kunohe-gun, Iwate, Japan	Schneider (1987)	CGSSWAN3_33