| 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 | Amphibole | Calcite | Chlorite | Clay | Corundum | Diaspore | Hexahydrite | Kaolinite | Mica |
| None | Palygorskite | Quartz | Sepiolite | Serpentine | Smectite-vermiculite | Spinel | Talc |
| 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 |
|---|---|---|---|---|---|---|---|
| Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | 1 | 101764 | 3419 | ||
| Annite (*) | Mica Clay | KFe2+3(AlSi3O10)(OH)2 | 1 | 101763 | 356 | ||
| Antigorite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 708 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Chrysotile (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 951 | |||
| Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 1 | 101763 | 1756 | ||
| Clintonite (*) | Mica Clay | CaAlMg2(SiAl3O10)(OH)2 | 1 | 101763 | 86 | ||
| Dolomite (*) | None | CaMg(CO3)2 | 1 | 101763 | 9895 | ||
| Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 1 | 101763 | 5591 | ||
| Lizardite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 1 | 101763 | 359 | ||
| Magnesite (*) | Calcite | Mg(CO3) | 1 | 101763 | 1487 | ||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
| Nickelhexahydrite (*) | Hexahydrite | Ni(SO4)·6H2O | 1 | 101763 | 37 | ||
| Nontronite (*) | Clay Smectite-vermiculite | Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O | 1 | 101763 | 471 | ||
| Opal (*) | Amorphous | SiO2·nH2O | 1 | 101763 | 2994 | ||
| Palygorskite (*) | Palygorskite Clay | (Mg,Al)2Si4O10(OH)·4H2O | 1 | 101763 | 306 | ||
| Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 1 | 101764 | 2273 | ||
| Quartz (*) | Quartz | SiO2 | 1 | 101763 | 61156 | ||
| Saponite (*) | Clay Smectite-vermiculite | (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O | 1 | 101763 | 301 | ||
| Sepiolite (*) | Sepiolite Clay | Mg4Si6O15(OH)2·6H2O | 1 | 101763 | 241 | ||
| Spinel (*) | Spinel | MgAl2O4 | 0 | 1934 | |||
| Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 2 | 101763,101764 | 3337 | ||
| Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 2 | 101763,101764 | 652 |
All locality data graciously provided by mindat.org
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