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 | Corundum | Diaspore | Kaolinite | None | Quartz | Rutile |
Tridymite |
Calcite (*) | Goethite (*) | Hematite (*) | Jarosite (*) | Kaolinite (*) |
Opal (*) | Pyrolusite (*) | Quartz (*) | 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 |
---|---|---|---|---|---|---|---|
Calcite (*) | Calcite | Ca(CO3) | 1 | 65038 | 27770 | ||
Goethite (*) | Diaspore | FeO(OH) | 2 | 65037,65038 | 7437 | ||
Hematite (*) | Corundum | Fe2O3 | 1 | 65037 | 14640 | ||
Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 1 | 65037 | 2228 | ||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 1 | 65037 | 5591 | ||
Opal (*) | Amorphous | SiO2·nH2O | 4 | 65035,65036,65037,65039 | 2994 | ||
Pyrolusite (*) | Rutile | MnO2 | 2 | 65037,65038 | 3106 | ||
Quartz (*) | Quartz | SiO2 | 5 | 65035,65036,65037,65038,65039 | 61156 | ||
Tridymite (*) | Tridymite | SiO2 | 2 | 65037,65038 | 458 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
All age data...
Other copyright data...