| 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. |
| Chlorite | Clay | Corrensite | Kaolinite | None | Pyrophyllite | Quartz |
| Cookeite (*) | Dickite (*) | Pyrophyllite (*) | Quartz (*) | Rectorite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Cookeite (*) | Chlorite Clay | (Al,Li)3Al2(Si,Al)4O10(OH)8 | 0 | 181 | |||
| Dickite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 651 | |||
| Pyrophyllite (*) | Clay Pyrophyllite | Al2Si4O10(OH)2 | 0 | 771 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Rectorite (*) | Corrensite Clay | (Na,Ca)Al4(Si,Al)8O20(OH)4·2H2O | 0 | 49 |
All locality data graciously provided by mindat.org
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