| 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. |
| Boracite | Marcasite | None | Not in a structural group | Rocksalt | Syngenite |
| Anhydrite (*) | Boracite (*) | Halite (*) | Marcasite (*) | Syngenite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Anhydrite (*) | Not in a structural group | Ca(SO4) | 1 | 59742 | 1588 | ||
| Boracite (*) | Boracite | Mg3B7O13Cl | 1 | 59742 | 57 | ||
| Halite (*) | Rocksalt | NaCl | 1 | 59742 | 1398 | ||
| Marcasite (*) | Marcasite | FeS2 | 1 | 59743 | 5674 | ||
| Syngenite (*) | Syngenite | K2Ca(SO4)2·H2O | 1 | 59742 | 44 |
All locality data graciously provided by mindat.org
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