| 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 | Baryte | Calcite | Clay | Gypsum | Kaolinite | Mica | None | Rutile | Smectite-vermiculite |
| Baryte (*) | Brushite (*) | Gypsum (*) | Kaolinite (*) | Montmorillonite (*) |
| Muscovite (*) | Natrojarosite (*) | Pyrolusite (*) | Siderite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Baryte (*) | Baryte | Ba(SO4) | 1 | 48615 | 11547 | ||
| Brushite (*) | Gypsum | Ca(PO3OH)·2H2O | 1 | 48614 | 104 | ||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 2 | 48614,48618 | 6890 | ||
| Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 1 | 48614 | 5591 | ||
| Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 1 | 48614 | 1508 | ||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 1 | 48614 | 17380 | ||
| Natrojarosite (*) | Alunite | NaFe3+3(SO4)2(OH)6 | 1 | 48614 | 254 | ||
| Pyrolusite (*) | Rutile | MnO2 | 1 | 48615 | 3106 | ||
| Siderite (*) | Calcite | Fe(CO3) | 1 | 48615 | 6417 |
All locality data graciously provided by mindat.org
All age data...
Other copyright data...