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 | Calcite | Clay | Diaspore | Kaolinite | None | Palygorskite |
Calcite (*) | Crandallite (*) | Goethite (*) | Kaolinite (*) | Palygorskite (*) |
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) | 0 | 27770 | |||
Crandallite (*) | Alunite | CaAl3(PO4)(PO3OH)(OH)6 | 0 | 310 | |||
Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
Palygorskite (*) | Palygorskite Clay | (Mg,Al)2Si4O10(OH)·4H2O | 0 | 306 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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