| 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 | Calcite | Clay | Clinozoisite | Corundum | Diaspore | Epidote | Garnet | Mica |
| Nickeline | None | Not in a structural group | Pyrite | Quartz | Spinel | Staurolite | Talc | Titanite | 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 | |||
| Almandine (*) | Garnet | Fe2+3Al2(SiO4)3 | 0 | 2353 | |||
| Andalusite (*) | Andalusite | Al2SiO5 | 0 | 1310 | |||
| Anthophyllite (*) | Amphibole | Mg2Mg5Si8O22(OH)2 | 0 | 718 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Cummingtonite (*) | Amphibole | Mg2Mg5Si8O22(OH)2 | 0 | 327 | |||
| Epidote (*) | Epidote Clinozoisite | Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) | 0 | 8173 | |||
| Ferro-actinolite (*) | Amphibole | Ca2(Mg2.5-0.0Fe2+2.5-5.0)Si8O22(OH)2 | 0 | 129 | |||
| Ferro-gedrite (*) | Amphibole | Fe2+2(Fe2+3Al2)(Si6Al2)O22(OH)2 | 0 | 11 | |||
| Gedrite (*) | Amphibole | Mg2(Mg3Al2)(Si6Al2)O22(OH)2 | 0 | 178 | |||
| Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
| Graphite (*) | None | C | 0 | 2812 | |||
| Grunerite (*) | Amphibole | Fe2+2Fe2+5Si8O22(OH)2 | 0 | 223 | |||
| Hastingsite (*) | Amphibole | NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 | 0 | 209 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 0 | 5433 | |||
| Kyanite (*) | Not in a structural group | Al2OSiO4 | 0 | 1507 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Pyrrhotite (*) | Nickeline | Fe7S8 | 0 | 9056 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Riebeckite (*) | Amphibole | Na2(Fe2+3Fe3+2)Si8O22(OH)2 | 0 | 375 | |||
| Sillimanite (*) | Not in a structural group | Al2SiO5 | 0 | 1516 | |||
| Staurolite (*) | Staurolite | Fe2+2Al9Si4O23(OH) | 0 | 978 | |||
| Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 0 | 3337 | |||
| Titanite (*) | Titanite | CaTi(SiO4)O | 0 | 4899 | |||
| Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
All locality data graciously provided by mindat.org
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