| 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. |
| Braunite | Calcite | Clay | Corundum | Diaspore | Garnet | None | Pyrosmalite | Ramsdellite | Rhodonite |
| Rutile | Spinel |
| 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 |
|---|---|---|---|---|---|---|---|
| Andradite (*) | Garnet | Ca3Fe3+2(SiO4)3 | 0 | 1534 | |||
| Birnessite (*) | None | (Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O | 0 | 178 | |||
| Braunite (*) | Braunite | Mn2+Mn3+6O8(SiO4) | 0 | 483 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Dolomite (*) | None | CaMg(CO3)2 | 0 | 9895 | |||
| Friedelite (*) | Pyrosmalite Clay | Mn2+8Si6O15(OH)10 | 0 | 40 | |||
| Groutite (*) | Diaspore | Mn3+O(OH) | 0 | 72 | |||
| Hausmannite (*) | Spinel | Mn2+Mn3+2O4 | 0 | 350 | |||
| Kutnohorite (*) | None | CaMn2+(CO3)2 | 0 | 234 | |||
| Nsutite (*) | Ramsdellite | Mn2+xMn4+1-xO2-2x(OH)2x | 0 | 121 | |||
| Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
| Pyrophanite (*) | Corundum | Mn2+TiO3 | 0 | 244 | |||
| Ramsdellite (*) | Ramsdellite | MnO2 | 0 | 88 | |||
| Rhodochrosite (*) | Calcite | Mn(CO3) | 0 | 1711 | |||
| Rhodonite (*) | Rhodonite | CaMn3Mn(Si5O15) | 0 | 969 | |||
| Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 0 | 433 |
All locality data graciously provided by mindat.org
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