| 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 | Amorphous | Aragonite | Clay | Garnet | Gypsum | None | Pyroxene | Quartz | Smectite-vermiculite |
| Spinel |
| Aragonite (*) | Chromite (*) | Diopside (*) | Dolomite (*) | Enstatite (*) |
| Gypsum (*) | Jarosite (*) | Magnetite (*) | Opal (*) | Polydymite (*) |
| Pyrope (*) | Quartz (*) | Saponite (*) | Vermiculite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Aragonite (*) | Aragonite | Ca(CO3) | 0 | 3250 | |||
| Chromite (*) | Spinel | Fe2+Cr2O4 | 0 | 3902 | |||
| Diopside (*) | Pyroxene | CaMgSi2O6 | 0 | 4135 | |||
| Dolomite (*) | None | CaMg(CO3)2 | 0 | 9895 | |||
| Enstatite (*) | Pyroxene | Mg2Si2O6 | 0 | 944 | |||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
| Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 0 | 2228 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
| Polydymite (*) | Spinel | Ni2+Ni3+2S4 | 0 | 131 | |||
| Pyrope (*) | Garnet | Mg3Al2(SiO4)3 | 0 | 341 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Saponite (*) | Clay Smectite-vermiculite | (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O | 0 | 301 | |||
| Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 0 | 652 |
All locality data graciously provided by mindat.org
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