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-00950 | 474.27 | 428.27 | 22346 | Nahant, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr | |||
USGS-Rb-Sr-00951 | 503.6 | 461.6 | 22346 | Nahant, Essex Co., Massachusetts, USA | USGS-Rb-Sr | USGS-Rb-Sr |