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 | Epsomite | Gypsum | None | Not in a structural group |
Anhydrite (*) | Epsomite (*) | Glauberite (*) | Gypsum (*) | Magnesite (*) |
Polyhalite (*) | Thénardite (*) |
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) | 1 | 110000 | 1588 | ||
Epsomite (*) | Epsomite | Mg(SO4)·7H2O | 1 | 110000 | 484 | ||
Glauberite (*) | None | Na2Ca(SO4)2 | 1 | 110000 | 137 | ||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 2 | 109999,110000 | 6890 | ||
Magnesite (*) | Calcite | Mg(CO3) | 1 | 110000 | 1487 | ||
Polyhalite (*) | None | K2Ca2Mg(SO4)4·2H2O | 1 | 110000 | 102 | ||
Thénardite (*) | None | Na2(SO4) | 1 | 110000 | 299 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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