Mineral Evolution DatabaseCreated 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 |
---|---|---|---|---|---|---|---|---|---|
USGS-Rb-Sr-00260 | 1521.74 | 1521.74 | 25512 | St. Francisville, Clark Co., Missouri, USA | USGS-Rb-Sr | USGS-Rb-Sr | |||
USGS-Rb-Sr-00261 | 1229.07 | 1069.07 | 25512 | St. Francisville, Clark Co., Missouri, USA | USGS-Rb-Sr | USGS-Rb-Sr |