| 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 | Corundum | Feldspar | None | Quartz | Spinel | Tridymite | Zircon |
| Albite (*) | Anorthite (*) | Hematite (*) | Ilmenite (*) | Kaersutite (*) |
| Magnesio-hastingsite (*) | Magnetite (*) | Nepheline (*) | Quartz (*) | 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 |
|---|---|---|---|---|---|---|---|
| Albite (*) | Feldspar | Na(AlSi3O8) | 0 | 8803 | |||
| Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 0 | 1036 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 0 | 5433 | |||
| Kaersutite (*) | Amphibole | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 | 0 | 179 | |||
| Magnesio-hastingsite (*) | Amphibole | NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 | 0 | 80 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Nepheline (*) | Tridymite | Na3K(Al4Si4O16) | 0 | 884 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
All locality data graciously provided by mindat.org
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