| 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 | Clay | Corundum | Cristobalite | Feldspar | Marcasite | Mica | Milarite | None | Olivine |
| Pseudobrookite | Pyrite | Pyroxene | Quartz | Spinel | Titanite | Tridymite |
| 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 |
|---|---|---|---|---|---|---|---|
| Albite (*) | Feldspar | Na(AlSi3O8) | 0 | 8803 | |||
| Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
| Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
| Edenite (*) | Amphibole | NaCa2Mg5(Si7Al)O22(OH)2 | 0 | 160 | |||
| Fayalite (*) | Olivine | Fe2+2(SiO4) | 0 | 371 | |||
| Ferro-edenite (*) | Amphibole | NaCa2Fe2+5(Si7Al)O22(OH)2 | 0 | 57 | |||
| Fluoro-edenite (*) | Amphibole | NaCa2Mg5(Si7Al)O22F2 | 0 | 27 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 0 | 5433 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Marcasite (*) | Marcasite | FeS2 | 0 | 5674 | |||
| Mullite (*) | None | Al4+2xSi2-2xO10-x (x ≈ 0.4) | 0 | 78 | |||
| Osumilite-(Mg) (*) | Milarite | KMg2Al3(Al2Si10)O30 | 0 | 42 | |||
| Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 0 | 2273 | |||
| Pseudobrookite (*) | Pseudobrookite | (Fe3+2Ti)O5 | 0 | 164 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Richterite (*) | Amphibole | Na(NaCa)Mg5Si8O22(OH)2 | 0 | 148 | |||
| Titanite (*) | Titanite | CaTi(SiO4)O | 0 | 4899 | |||
| Tridymite (*) | Tridymite | SiO2 | 0 | 458 |
All locality data graciously provided by mindat.org
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