| 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. |
| Amphibole | Aragonite | Beryl | Calcite | Feldspar | Garnet | Marcasite | Mordenite | Natrolite | None |
| Not in a structural group | Pyrite | Pyroxene | Spinel | Starkeyite |
| 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 |
|---|---|---|---|---|---|---|---|
| Albite (*) | Feldspar | Na(AlSi3O8) | 0 | 8803 | |||
| Almandine (*) | Garnet | Fe2+3Al2(SiO4)3 | 0 | 2353 | |||
| Aragonite (*) | Aragonite | Ca(CO3) | 0 | 3250 | |||
| Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Cordierite (*) | Beryl | Mg2Al4Si5O18 | 0 | 1008 | |||
| Diopside (*) | Pyroxene | CaMgSi2O6 | 0 | 4135 | |||
| Dolomite (*) | None | CaMg(CO3)2 | 0 | 9895 | |||
| Enstatite (*) | Pyroxene | Mg2Si2O6 | 0 | 944 | |||
| Epistilbite (*) | Mordenite | Ca3[Si18Al6O48]·16H2O | 0 | 138 | |||
| Kaersutite (*) | Amphibole | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 | 0 | 179 | |||
| Laumontite (*) | Not in a structural group | CaAl2Si4O12·4H2O | 0 | 1271 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Marcasite (*) | Marcasite | FeS2 | 0 | 5674 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Scolecite (*) | Natrolite | Ca(Si3Al2)O10·3H2O | 0 | 390 | |||
| Spinel (*) | Spinel | MgAl2O4 | 0 | 1934 | |||
| Starkeyite (*) | Starkeyite | Mg(SO4)·4H2O | 0 | 79 |
All locality data graciously provided by mindat.org
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