| 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. |
| Aluminite | Alunite | Clay | Corundum | Cristobalite | Diaspore | Kaolinite | None | Not in a structural group | Pyrite |
| Quartz | Sulphur |
| Aluminite (*) | Alunite (*) | Anhydrite (*) | Cristobalite (*) | Diaspore (*) |
| Gibbsite (*) | Halloysite-7Å (*) | Hematite (*) | Kaolinite (*) | Natroalunite (*) |
| Pyrite (*) | Quartz (*) | Sulphur (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Aluminite (*) | Aluminite | Al2(SO4)(OH)4·7H2O | 0 | 78 | |||
| Alunite (*) | None | KAl3(SO4)2(OH)6 | 0 | 966 | |||
| Anhydrite (*) | Not in a structural group | Ca(SO4) | 0 | 1588 | |||
| Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
| Diaspore (*) | Diaspore | AlO(OH) | 0 | 481 | |||
| Gibbsite (*) | None | Al(OH)3 | 0 | 504 | |||
| Halloysite-7Å (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 52 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
| Natroalunite (*) | Alunite | NaAl3(SO4)2(OH)6 | 0 | 128 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Sulphur (*) | Sulphur | S | 0 | 2045 |
All locality data graciously provided by mindat.org
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