| 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. |
| Beryl | Calcite | Chlorite | Clay | Corundum | Epidote | Halotrichite | None | Not in a structural group | Rhodonite |
| Serpentine | Smectite-vermiculite | Spinel |
| Antigorite (*) | Babingtonite (*) | Beryl (*) | Bílinite (*) | Calcite (*) |
| Chromite (*) | Clinochlore (*) | Dolomite (*) | Ilmenite (*) | Laumontite (*) |
| Piemontite (*) | 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 |
|---|---|---|---|---|---|---|---|
| Antigorite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 708 | |||
| Babingtonite (*) | Rhodonite | Ca2Fe2+Fe3+Si5O14(OH) | 0 | 161 | |||
| Beryl (*) | Beryl | Be3Al2Si6O18 | 0 | 4286 | |||
| Bílinite (*) | Halotrichite | Fe2+Fe3+2(SO4)4·22H2O | 0 | 16 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Chromite (*) | Spinel | Fe2+Cr2O4 | 1 | 94391 | 3902 | ||
| Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 0 | 1756 | |||
| Dolomite (*) | None | CaMg(CO3)2 | 1 | 94391 | 9895 | ||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 1 | 94389 | 5433 | ||
| Laumontite (*) | Not in a structural group | CaAl2Si4O12·4H2O | 0 | 1271 | |||
| Piemontite (*) | Epidote | Ca2(Al2Mn3+)[Si2O7][SiO4]O(OH) | 0 | 260 | |||
| 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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