| 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. |
| Clay | Gypsum | Mica | None | Spinel | Talc |
| Chromite (*) | Churchite-(Y) (*) | Margarite (*) | 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 |
|---|---|---|---|---|---|---|---|
| Chromite (*) | Spinel | Fe2+Cr2O4 | 0 | 3902 | |||
| Churchite-(Y) (*) | Gypsum | Y(PO4)·2H2O | 0 | 70 | |||
| Margarite (*) | Mica Clay | CaAl2Si2Al2O10(OH)2 | 0 | 168 | |||
| Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 0 | 3337 |
All locality data graciously provided by mindat.org
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