| 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 |
|---|---|---|---|---|---|---|---|---|---|
| Giersdorf_00000415 | 20.8 | 19.2 | 19982 | Moapa District, Clark Co., Nevada, USA | Shafiqullah et al. (1980) | AGSD12_201 |