| 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 | Analcime | Aragonite | Baryte | Calcite | Clay | Copper | Corundum | Feldspar | Halotrichite |
| Marcasite | Natrolite | None | Not in a structural group | Pectolite | Prehnite | Pyrite | Pyroxene | Quartz | Smectite-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 |
|---|---|---|---|---|---|---|---|
| Analcime (*) | Analcime | Na(AlSi2O6)·H2O | 0 | 1627 | |||
| Aragonite (*) | Aragonite | Ca(CO3) | 0 | 3250 | |||
| Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
| Baryte (*) | Baryte | Ba(SO4) | 0 | 11547 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Gold (*) | Copper | Au | 0 | 30554 | |||
| Halotrichite (*) | Halotrichite | Fe2+Al2(SO4)4·22H2O | 0 | 409 | |||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 0 | 5433 | |||
| Laumontite (*) | Not in a structural group | CaAl2Si4O12·4H2O | 0 | 1271 | |||
| Leucite (*) | Analcime | K(AlSi2O6) | 0 | 233 | |||
| Marcasite (*) | Marcasite | FeS2 | 0 | 5674 | |||
| Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
| Natrolite (*) | Natrolite | Na2(Si3Al2)O10·2H2O | 0 | 1236 | |||
| Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
| Orthoclase (*) | Feldspar | K(AlSi3O8) | 0 | 2349 | |||
| Pectolite (*) | Pectolite | NaCa2Si3O8(OH) | 0 | 363 | |||
| Pickeringite (*) | Halotrichite | MgAl2(SO4)4·22H2O | 0 | 265 | |||
| Prehnite (*) | Prehnite | Ca2Al(Si3Al)O10(OH)2 | 0 | 1898 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Siderite (*) | Calcite | Fe(CO3) | 0 | 6417 |
All locality data graciously provided by mindat.org
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