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 |
---|---|---|---|---|---|---|---|---|---|
Giersdorf_00000322 | 1405 | 1345 | Muscovite | 31691 | Empire District, Empire Mts, Pima Co., Arizona, USA | Shafiqullah et al. (1980) | AGSD12_201 |