| 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 | Astrophyllite | Eudialyte | Feldspar | None | Quartz |
| Astrophyllite (*) | Ferro-katophorite (*) | Ferrokentbrooksite (*) | Fluornatropyrochlore (*) | Fogoite-(Y) (*) |
| Quartz (*) | Sanidine (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Astrophyllite (*) | Astrophyllite | K2NaFe2+7Ti2(Si4O12)2O2(OH)4F | 0 | 161 | |||
| Ferro-katophorite (*) | Amphibole | Na(NaCa)(Fe2+4Al)(Si7Al)O22(OH)2 | 0 | 38 | |||
| Ferrokentbrooksite (*) | Eudialyte | Na15Ca6Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)2 | 0 | 15 | |||
| Fluornatropyrochlore (*) | None | (Na,Pb,Ca,REE,U)2Nb2O6F | 0 | 10 | |||
| Fogoite-(Y) (*) | None | Ca2Y2Na3Ti(Si2O7)2(OF)F2 | 0 | 1 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Sanidine (*) | Feldspar | K(AlSi3O8) | 0 | 598 |
All locality data graciously provided by mindat.org
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