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 | Calcite | Clay | Cristobalite | None | Olivine | Pyrite | Serpentine | Spinel |
Antigorite (*) | Chrysotile (*) | Cristobalite (*) | Forsterite (*) | Hercynite (*) |
Magnesite (*) | Magnetite (*) | Opal (*) | 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 |
---|---|---|---|---|---|---|---|
Antigorite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 708 | |||
Chrysotile (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 951 | |||
Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
Forsterite (*) | Olivine | Mg2(SiO4) | 0 | 1188 | |||
Hercynite (*) | Spinel | Fe2+Al2O4 | 0 | 407 | |||
Magnesite (*) | Calcite | Mg(CO3) | 0 | 1487 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Pyrite (*) | Pyrite | FeS2 | 0 | 39462 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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