Mineral Evolution Database Created 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 |
---|---|---|---|---|---|---|---|---|---|
Alexandra-0195 | 234.8 | 228.8 | Muscovite | 3782 | Lord Hill Quarry (Lord Hill Mine), Stoneham, Oxford Co., Maine, USA | Bradley et al. (2016) | CM54_945 |