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 | Coronadite | Diaspore | Marcasite | None | Pyrite | Quartz | Rutile |
Cryptomelane (*) | Goethite (*) | Marcasite (*) | Opal (*) | Pyrite (*) |
Pyrolusite (*) | Quartz (*) | Rhodochrosite (*) | Romanèchite (*) | Todorokite (*) |
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 |
---|---|---|---|---|---|---|---|
Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 0 | 599 | |||
Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
Marcasite (*) | Marcasite | FeS2 | 0 | 5674 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Rhodochrosite (*) | Calcite | Mn(CO3) | 0 | 1711 | |||
Romanèchite (*) | None | (Ba,H2O)2(Mn4+,Mn3+)5O10 | 0 | 312 | |||
Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 0 | 433 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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