| 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. |
| Calcite | Chlorite | Clay | Diaspore | Kaolinite | None | Olivine | Quartz | Sepiolite | Spinel |
| Talc |
| Chamosite (*) | Forsterite (*) | Gibbsite (*) | Goethite (*) | Kaolinite (*) |
| Maghemite (*) | Magnetite (*) | Quartz (*) | Sepiolite (*) | Siderite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Chamosite (*) | Chlorite Clay | (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8 | 1 | 45681 | 577 | ||
| Forsterite (*) | Olivine | Mg2(SiO4) | 1 | 45681 | 1188 | ||
| Gibbsite (*) | None | Al(OH)3 | 1 | 45681 | 504 | ||
| Goethite (*) | Diaspore | FeO(OH) | 1 | 45681 | 7437 | ||
| Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 1 | 45681 | 5591 | ||
| Maghemite (*) | Spinel | (Fe3+0.67 0.33)Fe3+2O4 | 1 | 45681 | 229 | ||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 1 | 45681 | 14899 | ||
| Quartz (*) | Quartz | SiO2 | 1 | 45681 | 61156 | ||
| Sepiolite (*) | Sepiolite Clay | Mg4Si6O15(OH)2·6H2O | 1 | 45681 | 241 | ||
| Siderite (*) | Calcite | Fe(CO3) | 1 | 45681 | 6417 | ||
| Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 1 | 45681 | 3337 |
All locality data graciously provided by mindat.org
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