| 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. |
| Clay | Hydrotalcite | Millerite | None | Serpentine | Spinel |
| Jamborite (*) | Magnetite (*) | Millerite (*) | Pecoraite (*) | Polydymite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Jamborite (*) | Hydrotalcite | Ni2+1-xCo3+x(OH)2-x(SO4)x·nH2O [x ≤ 1/3 n; ≤ (1-x)] | 0 | 32 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Millerite (*) | Millerite | NiS | 0 | 1066 | |||
| Pecoraite (*) | Clay Serpentine | Ni3Si2O5(OH)4 | 0 | 40 | |||
| Polydymite (*) | Spinel | Ni2+Ni3+2S4 | 0 | 131 |
All locality data graciously provided by mindat.org
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