| 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. |
| Amorphous | Amphibole | Aragonite | Baryte | Calcite | Chlorite | Clay | Garnet | None | Pyroxene |
| Quartz | Serpentine | Spinel |
| Actinolite (*) | Almandine (*) | Aragonite (*) | Baryte (*) | Calcite (*) |
| Chrysotile (*) | Clinochlore (*) | Enstatite (*) | Hercynite (*) | Magnesite (*) |
| Opal (*) | Pyrope (*) | Quartz (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | 0 | 3419 | |||
| Almandine (*) | Garnet | Fe2+3Al2(SiO4)3 | 1 | 20898 | 2353 | ||
| Aragonite (*) | Aragonite | Ca(CO3) | 1 | 20898 | 3250 | ||
| Baryte (*) | Baryte | Ba(SO4) | 2 | 20901,20903 | 11547 | ||
| Calcite (*) | Calcite | Ca(CO3) | 3 | 20898,20901,20903 | 27770 | ||
| Chrysotile (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 1 | 20900 | 951 | ||
| Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 1 | 20900 | 1756 | ||
| Enstatite (*) | Pyroxene | Mg2Si2O6 | 1 | 20900 | 944 | ||
| Hercynite (*) | Spinel | Fe2+Al2O4 | 0 | 407 | |||
| Magnesite (*) | Calcite | Mg(CO3) | 1 | 20900 | 1487 | ||
| Opal (*) | Amorphous | SiO2·nH2O | 1 | 20897 | 2994 | ||
| Pyrope (*) | Garnet | Mg3Al2(SiO4)3 | 0 | 341 | |||
| Quartz (*) | Quartz | SiO2 | 3 | 20897,20898,20900 | 61156 |
All locality data graciously provided by mindat.org
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