| 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 | Chlorite | Clay | Corrensite | Corundum | Garnet | Mica | None | Not in a structural group | Smectite-vermiculite |
| 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 | 1 | 49232 | 3419 | ||
| Almandine (*) | Garnet | Fe2+3Al2(SiO4)3 | 0 | 2353 | |||
| Anthophyllite (*) | Amphibole | Mg2Mg5Si8O22(OH)2 | 1 | 49232 | 718 | ||
| Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 0 | 1756 | |||
| Corrensite (*) | Corrensite Clay | (Ca,Na,K)1-x(Mg,Fe,Al)9(Si,Al)8O20(OH)10·nH2O | 1 | 49232 | 49 | ||
| Ferro-tschermakite (*) | Amphibole | Ca2(Fe2+3Al2)(Si6Al2)O22(OH)2 | 0 | 27 | |||
| Hydrobiotite (*) | Corrensite Clay | K(Mg,Fe2+)6(Si,Al)8O20(OH)4·nH2O | 1 | 49232 | 49 | ||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 0 | 5433 | |||
| Kyanite (*) | Not in a structural group | Al2OSiO4 | 0 | 1507 | |||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
| Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 1 | 49232 | 2273 | ||
| Riebeckite (*) | Amphibole | Na2(Fe2+3Fe3+2)Si8O22(OH)2 | 0 | 375 | |||
| Sillimanite (*) | Not in a structural group | Al2SiO5 | 0 | 1516 | |||
| Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 1 | 49232 | 3337 | ||
| Titanite (*) | Titanite | CaTi(SiO4)O | 0 | 4899 | |||
| Tremolite (*) | Amphibole | Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 | 1 | 49232 | 2562 | ||
| Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 1 | 49232 | 652 | ||
| Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
All locality data graciously provided by mindat.org
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