Mineral Evolution Database Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat. Mineral locality data provided by mindat.org |
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 |
---|---|---|---|---|---|---|---|---|---|
Alexandra-0372 | 1700 | 1700 | Li,Be,Sn,Cs,Ta,Nb,U | 122418 | Black Elk Peak (Harney Peak), Pennington Co., South Dakota, USA | Norton and Redden (1990) | AM75_631 |