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 |
---|---|---|---|---|---|---|---|---|---|
Be-00023 | 1702 | 1702 | Ehrleite, Fransoletite, Greifensteinite, Pahasapaite, Parafransoletite, Roscherite, Tiptopite | Be | 4122 | Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA | Dahl and Foland (2008) | AM93_1215 | |
Be-00046 | 1702 | 1702 | Faheyite | Be | 45259 | Roosevelt Group (Rough Rider), Custer, Custer District, Custer Co., South Dakota, USA | Dahl and Foland (2008) | AM93_1215 |