| 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. |
| Alunite | Calcite | Gypsum | Iron | None | Starkeyite | Sulphur |
| Cryptohalite (*) | Gypsum (*) | Iron (*) | Jarosite (*) | Rozenite (*) |
| Siderite (*) | 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 |
|---|---|---|---|---|---|---|---|
| Cryptohalite (*) | None | (NH4)2SiF6 | 0 | 14 | |||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
| Iron (*) | Iron | Fe | 0 | 1089 | |||
| Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 0 | 2228 | |||
| Rozenite (*) | Starkeyite | Fe2+(SO4)·4H2O | 0 | 293 | |||
| Siderite (*) | Calcite | Fe(CO3) | 0 | 6417 | |||
| Sulphur (*) | Sulphur | S | 0 | 2045 |
All locality data graciously provided by mindat.org
All age data...
Other copyright data...