| 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 | Chalcopyrite | Clay | Coronadite | Corundum | Diaspore | Feldspar | Garnet | Kaolinite | Mica |
| None | Not in a structural group | Pyrite | Quartz | Rutile | Sphalerite | Spinel | Zircon |
| 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 | 0 | 178 | |||
| Braunite (*) | Braunite | Mn2+Mn3+6O8(SiO4) | 0 | 483 | |||
| Chalcopyrite (*) | Chalcopyrite | CuFeS2 | 0 | 27198 | |||
| Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 0 | 599 | |||
| Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
| Graphite (*) | None | C | 0 | 2812 | |||
| Hausmannite (*) | Spinel | Mn2+Mn3+2O4 | 0 | 350 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Jacobsite (*) | Spinel | Mn2+Fe3+2O4 | 0 | 172 | |||
| Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
| Lithiophorite (*) | None | (Al,Li)(Mn4+,Mn3+)O2(OH)2 | 0 | 210 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
| Orthoclase (*) | Feldspar | K(AlSi3O8) | 0 | 2349 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
| Pyrophanite (*) | Corundum | Mn2+TiO3 | 0 | 244 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Romanèchite (*) | None | (Ba,H2O)2(Mn4+,Mn3+)5O10 | 0 | 312 | |||
| Sillimanite (*) | Not in a structural group | Al2SiO5 | 0 | 1516 | |||
| Spessartine (*) | Garnet | Mn2+3Al2(SiO4)3 | 0 | 1214 | |||
| Sphalerite (*) | Sphalerite | ZnS | 0 | 21482 | |||
| Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
| Sample | Source Locality | Reference URL |
|---|---|---|
All locality data graciously provided by mindat.org
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