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. |
Calcite | Clay | Diaspore | Gypsum | Kaolinite | Lepidocrocite | Mica | None | Not in a structural group | Rocksalt |
Smectite-vermiculite |
Anhydrite (*) | Böhmite (*) | Diaspore (*) | Glauberite (*) | Gypsum (*) |
Halite (*) | Kaolinite (*) | Magnesite (*) | Mirabilite (*) | Montmorillonite (*) |
Muscovite (*) |
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 |
---|---|---|---|---|---|---|---|
Anhydrite (*) | Not in a structural group | Ca(SO4) | 0 | 1588 | |||
Böhmite (*) | Lepidocrocite | AlO(OH) | 0 | 195 | |||
Diaspore (*) | Diaspore | AlO(OH) | 0 | 481 | |||
Glauberite (*) | None | Na2Ca(SO4)2 | 1 | 44998 | 137 | ||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
Halite (*) | Rocksalt | NaCl | 1 | 44998 | 1398 | ||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
Magnesite (*) | Calcite | Mg(CO3) | 0 | 1487 | |||
Mirabilite (*) | None | Na2(SO4)·10H2O | 1 | 44998 | 223 | ||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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