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. |
Alunite | Amorphous | Calcite | Clay | Cristobalite | Feldspar | Gypsum | Kaolinite | Marcasite | None |
Not in a structural group | Pyrite | Pyrophyllite | Pyroxene | Quartz | Spinel | Sulphur |
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) | 0 | 8803 | |||
Alunite (*) | None | KAl3(SO4)2(OH)6 | 0 | 966 | |||
Anhydrite (*) | Not in a structural group | Ca(SO4) | 0 | 1588 | |||
Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 0 | 1036 | |||
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Marcasite (*) | Marcasite | FeS2 | 0 | 5674 | |||
Natroalunite (*) | Alunite | NaAl3(SO4)2(OH)6 | 0 | 128 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Pigeonite (*) | Pyroxene | (Mg,Fe,Ca)2Si2O6 | 0 | 303 | |||
Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
Pyrophyllite (*) | Clay Pyrophyllite | Al2Si4O10(OH)2 | 0 | 771 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Sulphur (*) | Sulphur | S | 0 | 2045 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
All age data...
Other copyright data...