| 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. |
| Corundum | Millerite | Nickeline | None | Pentlandite | Pyrite | Spinel | Valleriite |
| Chromite (*) | Heazlewoodite (*) | Hematite (*) | Hercynite (*) | Ilmenite (*) |
| Magnetite (*) | Millerite (*) | Pentlandite (*) | Pyrite (*) | Pyrrhotite (*) |
| Valleriite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Chromite (*) | Spinel | Fe2+Cr2O4 | 3 | 53586,53587,53589 | 3902 | ||
| Heazlewoodite (*) | None | Ni3S2 | 2 | 53586,53587 | 205 | ||
| Hematite (*) | Corundum | Fe2O3 | 1 | 53586 | 14640 | ||
| Hercynite (*) | Spinel | Fe2+Al2O4 | 3 | 53586,53587,53589 | 407 | ||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 4 | 53586,53587,53588,53589 | 5433 | ||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 4 | 53586,53587,53588,53589 | 14899 | ||
| Millerite (*) | Millerite | NiS | 3 | 53586,53587,53589 | 1066 | ||
| Pentlandite (*) | Pentlandite | (Ni,Fe)9S8 | 1 | 53586 | 1512 | ||
| Pyrite (*) | Pyrite | FeS2 | 2 | 53587,53588 | 39462 | ||
| Pyrrhotite (*) | Nickeline | Fe7S8 | 1 | 53588 | 9056 | ||
| Valleriite (*) | Valleriite | 2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2] | 1 | 53589 | 237 |
All locality data graciously provided by mindat.org
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