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 | Gypsum | None |
Alunite (*) | Calcite (*) | Gypsum (*) | Jarosite (*) | Natroalunite (*) |
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 |
---|---|---|---|---|---|---|---|
Alunite (*) | None | KAl3(SO4)2(OH)6 | 2 | 68255,68256 | 966 | ||
Calcite (*) | Calcite | Ca(CO3) | 2 | 68255,68256 | 27770 | ||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 2 | 68255,68256 | 6890 | ||
Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 2 | 68255,68256 | 2228 | ||
Natroalunite (*) | Alunite | NaAl3(SO4)2(OH)6 | 2 | 68255,68256 | 128 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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