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. |
Clay | Diaspore | Feroxyhyte | Kaolinite | Mica | Nolanite | None | Quartz |
Birnessite (*) | Feroxyhyte (*) | Ferrihydrite (*) | Goethite (*) | Kaolinite (*) |
Muscovite (*) | Quartz (*) | Vernadite (*) |
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 |
---|---|---|---|---|---|---|---|
Birnessite (*) | None | (Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O | 0 | 178 | |||
Feroxyhyte (*) | Feroxyhyte | Fe3+O(OH) | 0 | 19 | |||
Ferrihydrite (*) | Nolanite | Fe3+10O14(OH)2 | 0 | 86 | |||
Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Vernadite (*) | None | (Mn,Fe,Ca,Na)(O,OH)2·nH2O | 0 | 65 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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