| 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. |
| Amorphous | Clay | Cristobalite | Feldspar | Marcasite | Mica | None | Pyrite | Rocksalt | Sphalerite |
| Tridymite |
| Albite (*) | Cristobalite (*) | Dolomite (*) | Galena (*) | Marcasite (*) |
| Microcline (*) | Muscovite (*) | Opal (*) | Pyrite (*) | Sphalerite (*) |
| Tridymite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Albite (*) | Feldspar | Na(AlSi3O8) | 1 | 225015 | 8803 | ||
| Cristobalite (*) | Cristobalite | SiO2 | 1 | 225015 | 453 | ||
| Dolomite (*) | None | CaMg(CO3)2 | 0 | 9895 | |||
| Galena (*) | Rocksalt | PbS | 1 | 225015 | 24243 | ||
| Marcasite (*) | Marcasite | FeS2 | 1 | 225015 | 5674 | ||
| Microcline (*) | Feldspar | K(AlSi3O8) | 1 | 225015 | 4924 | ||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 1 | 225015 | 17380 | ||
| Opal (*) | Amorphous | SiO2·nH2O | 1 | 225015 | 2994 | ||
| Pyrite (*) | Pyrite | FeS2 | 1 | 225015 | 39462 | ||
| Sphalerite (*) | Sphalerite | ZnS | 1 | 225015 | 21482 | ||
| Tridymite (*) | Tridymite | SiO2 | 1 | 225015 | 458 |
All locality data graciously provided by mindat.org
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