| 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 | Clay | Coronadite | Mica | None | Pyrite | Quartz | Ramsdellite | Rutile |
| Birnessite (*) | Calcite (*) | Cryptomelane (*) | Muscovite (*) | Nsutite (*) |
| Pyrite (*) | Pyrolusite (*) | Quartz (*) | Rhodochrosite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Birnessite (*) | None | (Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O | 2 | 38473,38474 | 178 | ||
| Calcite (*) | Calcite | Ca(CO3) | 2 | 38473,38475 | 27770 | ||
| Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 2 | 38473,38474 | 599 | ||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 1 | 38473 | 17380 | ||
| Nsutite (*) | Ramsdellite | Mn2+xMn4+1-xO2-2x(OH)2x | 2 | 38473,38474 | 121 | ||
| Pyrite (*) | Pyrite | FeS2 | 1 | 38473 | 39462 | ||
| Pyrolusite (*) | Rutile | MnO2 | 2 | 38473,38474 | 3106 | ||
| Quartz (*) | Quartz | SiO2 | 2 | 38473,38474 | 61156 | ||
| Rhodochrosite (*) | Calcite | Mn(CO3) | 1 | 38473 | 1711 |
All locality data graciously provided by mindat.org
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