| 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. |
| Calcite | Clay | Corundum | Mica | None | Rutile | Serpentine | Smectite-vermiculite | Spinel | Titanite |
| Amesite (*) | Antigorite (*) | Calcite (*) | Chrysotile (*) | Ilmenite (*) |
| Magnesite (*) | Magnetite (*) | Phlogopite (*) | Rutile (*) | Spinel (*) |
| Titanite (*) | Vermiculite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Amesite (*) | Clay Serpentine | Mg2Al(AlSiO5)(OH)4 | 0 | 74 | |||
| Antigorite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 708 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Chrysotile (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 951 | |||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 0 | 5433 | |||
| Magnesite (*) | Calcite | Mg(CO3) | 0 | 1487 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 0 | 2273 | |||
| Rutile (*) | Rutile | TiO2 | 0 | 5614 | |||
| 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 |
All locality data graciously provided by mindat.org
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