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 Opal at Williams Opal Mine (Three Mile Hill Mine), Coolgardie, Coolgardie Shire, Western Australia, Australia

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 2742Ma - 2670Ma 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
Mo-N382_703-0001	2742	2670			Mo	225	Kambalda, Coolgardie Shire, Western Australia, Australia	Foster et al. (1996)	N382_703