| 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 | Apatite | Astrophyllite | Chevkinite | Clay | Feldspar | Fluorite | Mica | None | Olivine |
| Pyroxene | Quartz | Sapphirine | Spinel | 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 |
|---|---|---|---|---|---|---|---|
| Aegirine (*) | Pyroxene | NaFe3+Si2O6 | 0 | 1022 | |||
| Aegirine-augite (*) | Pyroxene | (Ca,Na)(Fe3+,Mg,Fe2+)Si2O6 | 0 | 286 | |||
| Aenigmatite (*) | Sapphirine | Na4[Fe2+10Ti2]O4[Si12O36] | 0 | 133 | |||
| Albite (*) | Feldspar | Na(AlSi3O8) | 0 | 8803 | |||
| Annite (*) | Mica Clay | KFe2+3(AlSi3O10)(OH)2 | 0 | 356 | |||
| Arfvedsonite (*) | Amphibole | NaNa2(Fe2+4Fe3+)Si8O22(OH)2 | 0 | 295 | |||
| Astrophyllite (*) | Astrophyllite | K2NaFe2+7Ti2(Si4O12)2O2(OH)4F | 0 | 161 | |||
| Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
| Chevkinite-(Ce) (*) | Chevkinite | Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2 | 0 | 89 | |||
| Fayalite (*) | Olivine | Fe2+2(SiO4) | 0 | 371 | |||
| Fluorapatite (*) | Apatite | Ca5(PO4)3F | 0 | 2740 | |||
| Fluorite (*) | Fluorite | CaF2 | 0 | 9617 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Microcline (*) | Feldspar | K(AlSi3O8) | 0 | 4924 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
All locality data graciously provided by mindat.org
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