| A | This mineral is Anthropogenic. |
| G | This mineral is directly dated. |
| B | This mineral is reported as having this age. |
| Y | This mineral is using an age reported as an element mineralization period. |
| O | This mineral is using an age calculated from all data at the locality. |
| R | The age displayed for this mineral originates from a different, non-child locality. |
| P | The age displayed for this mineral is the range of ages for this mineral at all of this locality's children. |
| This mineral's age has not yet been recorded. |
| Arsenic | Arsenopyrite | Chlorite | Clay | Copper | Garnet | Mica | None | Pyrite | Quartz |
| Rocksalt | Spinel | Stibnite | Talc |
| Arsenopyrite (*) | Bismuth (*) | Chromite (*) | Clinochlore (*) | Galena (*) |
| Gold (*) | Magnesiochromite (*) | Muscovite (*) | Pyrite (*) | Quartz (*) |
| Stibnite (*) | Talc (*) | Uvarovite (*) |
| Excel ID | Max Age (Ma) | Min Age (Ma) | Age as listed in reference | Dating Method | Age Interpret | Prioritized? | Sample Source | Sample Num | Run Num | Age from other Locality | Dated Mineral | Minerals explicitely stated as having this age | Age applies to these Elements | MinDat Locality ID | Dated Locality (Max Age) | Location as listed in reference | Reference | Reference DOI | Reference ID | Age Notes | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| podchrome-00189 | 388 | 388 | pre-Early Devonian-Jurassic (388±17 Ma U-Pb zircon from felsic igneous rocks; 174 Ma K-Ar white mica from blueschists) | Cr | 93512 | Oxford Mine (Oxford Mine And Mill; Oxford Lease And Mill; Becky; Case And Myers; Mt. Holly; Gold Bluff; Good Hope; Good Hope Extension No. 2; Jefferson No. 2 Claim; Milton Claim), Downieville, Downieville District, Sierra Co., California, USA | Oxford Pit 1 | Moiser et al. (2012) | USGSSIR2012_5157 |
All locality data graciously provided by mindat.org
All age data...
Other copyright data...