| 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. |
| Diaspore | Lepidocrocite | None |
| Böhmite (*) | Diaspore (*) | Gibbsite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Böhmite (*) | Lepidocrocite | AlO(OH) | 1 | 283974 | 195 | ||
| Diaspore (*) | Diaspore | AlO(OH) | 1 | 283975 | 481 | ||
| Gibbsite (*) | None | Al(OH)3 | 2 | 283974,283975 | 504 |
All locality data graciously provided by mindat.org
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