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. |
Amphibole | Brookite | Chabazite | Clay | Heulandite | Mica | None | Zircon |
Actinolite (*) | Annite (*) | Brookite (*) | Chabazite-Ca (*) | Heulandite-Ca (*) |
Zircon (*) |
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 |
---|---|---|---|---|---|---|---|
Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | 0 | 3419 | |||
Annite (*) | Mica Clay | KFe2+3(AlSi3O10)(OH)2 | 0 | 356 | |||
Brookite (*) | Brookite | TiO2 | 0 | 700 | |||
Chabazite-Ca (*) | Chabazite | Ca2[Al4Si8O24]·13H2O | 0 | 310 | |||
Heulandite-Ca (*) | Heulandite | (Ca,Na,K)5(Si27Al9)O72·26H2O | 0 | 246 | |||
Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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