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 |
---|---|---|---|---|---|---|---|---|---|
Michelle_000573 | 383 | 359 | Whewellite | 266400 | Huron Shale Concretions, Huron River, Huron Co., Ohio, USA | Hyde and Landy (1966) | AM51_228 | ||
USGS-Rb-Sr-00375 | 931.68 | 931.68 | 4053 | Stoneco Portage Quarry (Maumee Stone Co. Quarry), Portage, Wood Co., Ohio, USA | USGS-Rb-Sr | USGS-Rb-Sr |