| 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 | Feldspar | None | Pyroxene | Rutile | Sapphirine | Smectite-vermiculite | Spinel |
| Titanite | Zircon |
| Anorthite (*) | Augite (*) | Corundum (*) | Ferro-pargasite (*) | Hematite (*) |
| Magnesio-hornblende (*) | Magnetite (*) | Pargasite (*) | Rutile (*) | Sapphirine (*) |
| Spinel (*) | Titanite (*) | Vermiculite (*) | 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 |
|---|---|---|---|---|---|---|---|
| Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 0 | 1036 | |||
| Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
| Corundum (*) | Corundum | Al2O3 | 0 | 1797 | |||
| Ferro-pargasite (*) | Amphibole | NaCa2(Fe2+4Al)(Si6Al2)O22(OH)2 | 0 | 54 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Magnesio-hornblende (*) | Amphibole | Ca2(Mg4Al)(Si7Al)O22(OH)2 | 0 | 238 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Pargasite (*) | Amphibole | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 | 0 | 313 | |||
| Rutile (*) | Rutile | TiO2 | 0 | 5614 | |||
| Sapphirine (*) | Sapphirine | Mg4(Mg3Al9)O4[Si3Al9O36] | 0 | 129 | |||
| Spinel (*) | Spinel | MgAl2O4 | 0 | 1934 | |||
| Titanite (*) | Titanite | CaTi(SiO4)O | 0 | 4899 | |||
| Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 0 | 652 | |||
| Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
All locality data graciously provided by mindat.org
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