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 | Corundum | Gypsum | Iron | None |
Gypsum (*) | Hematite (*) | Iron (*) | Jarosite (*) |
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 |
---|---|---|---|---|---|---|---|
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 80342 | 6890 | ||
Hematite (*) | Corundum | Fe2O3 | 5 | 80341,80343,80344,80347,80350 | 14640 | ||
Iron (*) | Iron | Fe | 1 | 80349 | 1089 | ||
Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 2 | 80341,80347 | 2228 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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