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 | Clay | Diaspore | Kaolinite | Lepidocrocite | None | Pyrophyllite | Quartz | Smectite-vermiculite | Zircon |
Diaspore (*) | Dickite (*) | Kaolinite (*) | Lepidocrocite (*) | Montmorillonite (*) |
Opal (*) | Pyrophyllite (*) | Quartz (*) | Zircon (*) |
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 |
---|---|---|---|---|---|---|---|
Diaspore (*) | Diaspore | AlO(OH) | 0 | 481 | |||
Dickite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 651 | |||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
Lepidocrocite (*) | Lepidocrocite | Fe3+O(OH) | 0 | 581 | |||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
Opal (*) | Amorphous | SiO2·nH2O | 1 | 88428 | 2994 | ||
Pyrophyllite (*) | Clay Pyrophyllite | Al2Si4O10(OH)2 | 0 | 771 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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