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 | Kaolinite | Marcasite | Melanterite | None | Pyrite |
Cristobalite (*) | Kaolinite (*) | Lechatelierite (*) | Marcasite (*) | Melanterite (*) |
Mullite (*) | Pyrite (*) |
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 |
---|---|---|---|---|---|---|---|
Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
Lechatelierite (*) | Amorphous | SiO2 | 0 | 62 | |||
Marcasite (*) | Marcasite | FeS2 | 0 | 5674 | |||
Melanterite (*) | Melanterite | Fe(SO4)·7H2O | 0 | 915 | |||
Mullite (*) | None | Al4+2xSi2-2xO10-x (x ≈ 0.4) | 0 | 78 | |||
Pyrite (*) | Pyrite | FeS2 | 0 | 39462 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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