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 |
---|---|---|---|---|---|---|---|---|---|
ree-00694 | 541 | 541 | 139200 | Monumental Summit Rare - Earth Prospect, Idaho Primitive Area, Thunder Mountain District, Valley Co., Idaho, USA | Orris and Grauch (2002) | USGSOFR02_189 |