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-03999 | 1371.3 | 1291.3 | Microcline | 113937 | Last Chance Mine (Unpatented Claim: Peifer; Peifer Quarry), Curecanti Needle Area, Gunnison Co., Colorado, USA | USGS-Rb-Sr | USGS-Rb-Sr |