| 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. |
| Amorphous | Clay | Garnet | Humite | Mica | None | Olivine | Serpentine | Spinel |
| Chondrodite (*) | Chrysotile (*) | Forsterite (*) | Grossular (*) | Opal (*) |
| Phlogopite (*) | Spinel (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Chondrodite (*) | Humite | Mg5(SiO4)2F2 | 0 | 285 | |||
| Chrysotile (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 951 | |||
| Forsterite (*) | Olivine | Mg2(SiO4) | 0 | 1188 | |||
| Grossular (*) | Garnet | Ca3Al2(SiO4)3 | 0 | 1544 | |||
| Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
| Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 0 | 2273 | |||
| Spinel (*) | Spinel | MgAl2O4 | 0 | 1934 |
All locality data graciously provided by mindat.org
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