| 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. |
| Amphibole | Andalusite | Chlorite | Clay | Clinozoisite | Corundum | Epidote | Nickeline | None | Serpentine |
| Spinel | Talc | Zircon |
| 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 | |||
| Andalusite (*) | Andalusite | Al2SiO5 | 0 | 1310 | |||
| Anthophyllite (*) | Amphibole | Mg2Mg5Si8O22(OH)2 | 0 | 718 | |||
| Antigorite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 708 | |||
| Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 0 | 1756 | |||
| Corundum (*) | Corundum | Al2O3 | 0 | 1797 | |||
| Epidote (*) | Epidote Clinozoisite | Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) | 0 | 8173 | |||
| Graphite (*) | None | C | 0 | 2812 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Hercynite (*) | Spinel | Fe2+Al2O4 | 0 | 407 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Pyrrhotite (*) | Nickeline | Fe7S8 | 0 | 9056 | |||
| Spinel (*) | Spinel | MgAl2O4 | 0 | 1934 | |||
| Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 0 | 3337 | |||
| Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 | |||
| Zoisite (*) | Epidote | Ca2Al3[Si2O7][SiO4]O(OH) | 0 | 1025 |
All locality data graciously provided by mindat.org
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