| 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. |
| Corundum | Garnet | None | Pyroxene | Spinel |
| Augite (*) | Corundum (*) | Eskolaite (*) | Graphite (*) | Knorringite (*) |
| Magnesiochromite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
| Corundum (*) | Corundum | Al2O3 | 0 | 1797 | |||
| Eskolaite (*) | Corundum | Cr2O3 | 0 | 30 | |||
| Graphite (*) | None | C | 0 | 2812 | |||
| Knorringite (*) | Garnet | Mg3Cr2(SiO4)3 | 0 | 4 | |||
| Magnesiochromite (*) | Spinel | MgCr2O4 | 0 | 311 |
| Sample | Source Locality | Reference URL |
|---|---|---|
All locality data graciously provided by mindat.org
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