| 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. |
| Columbite | None | Quartz | Rutile |
| Cassiterite (*) | Columbite-(Fe) (*) | Ferberite (*) | Foordite (*) | Hydrotungstite (*) |
| Ixiolite (*) | Quartz (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Cassiterite (*) | Rutile | SnO2 | 0 | 5171 | |||
| Columbite-(Fe) (*) | Columbite | Fe2+Nb2O6 | 0 | 518 | |||
| Ferberite (*) | Columbite | Fe2+(WO4) | 0 | 551 | |||
| Foordite (*) | None | Sn2+Nb2O6 | 0 | 4 | |||
| Hydrotungstite (*) | None | WO2(OH)2·H2O | 0 | 13 | |||
| Ixiolite (*) | Columbite | (Ta2/3Mn2+1/3)O2 | 0 | 148 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 |
All locality data graciously provided by mindat.org
All age data...
Other copyright data...