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 | Amorphous | Calcite | Clay | Corundum | Diaspore | Gismondine | Kaolinite | None | Phosphosiderite |
Pyrite | Rutile |
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 |
---|---|---|---|---|---|---|---|
Calcite (*) | Calcite | Ca(CO3) | 1 | 21298 | 27770 | ||
Corundum (*) | Corundum | Al2O3 | 0 | 1797 | |||
Cowlesite (*) | None | Ca(Al2Si3)O10·5-6H2O | 0 | 84 | |||
Crandallite (*) | Alunite | CaAl3(PO4)(PO3OH)(OH)6 | 0 | 310 | |||
Gibbsite (*) | None | Al(OH)3 | 0 | 504 | |||
Gismondine (*) | Gismondine | Ca2(Si4Al4)O16·8H2O | 0 | 128 | |||
Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
Graphite (*) | None | C | 0 | 2812 | |||
Halloysite-7Å (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 52 | |||
Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 0 | 2228 | |||
Metavariscite (*) | Phosphosiderite | Al(PO4)·2H2O | 0 | 27 | |||
Natrojarosite (*) | Alunite | NaFe3+3(SO4)2(OH)6 | 0 | 254 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 0 | 433 | |||
Variscite (*) | None | Al(PO4)·2H2O | 0 | 301 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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