| 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. |
| Corundum | Diaspore | Marcasite | None | Pyrite | Ramsdellite | Rocksalt | Sulphur | Zircon |
| Clausthalite (*) | Coffinite (*) | Ferroselite (*) | Galena (*) | Goethite (*) |
| Hematite (*) | Marcasite (*) | Paramontroseite (*) | Pyrite (*) | Selenium (*) |
| Mineral name | Structural Groups | IMA Formula | Max Age (Ma) | Min Age (Ma) | # of Sublocalities containing mineral | LOCALITY IDs, not mindat ids | # of localities containing mineral |
|---|---|---|---|---|---|---|---|
| Clausthalite (*) | Rocksalt | PbSe | 0 | 281 | |||
| Coffinite (*) | Zircon | U(SiO4)·nH2O | 0 | 566 | |||
| Ferroselite (*) | Marcasite | FeSe2 | 0 | 51 | |||
| Galena (*) | Rocksalt | PbS | 0 | 24243 | |||
| Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Marcasite (*) | Marcasite | FeS2 | 0 | 5674 | |||
| Paramontroseite (*) | Ramsdellite | VO2 | 0 | 39 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Selenium (*) | Sulphur | Se | 0 | 143 |
| Sample | Source Locality | Reference URL |
|---|---|---|
| R070461 | Virgin No. 3 Mine, Paradox Valley, Uravan District, Montrose Co., Colorado, USA | https://rruff.info/R070461 |
All locality data graciously provided by mindat.org
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