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 | Feldspar | None | Pyroxene | Spinel | Tridymite |
Anorthite (*) | Augite (*) | Chromite (*) | Hedenbergite (*) | Ilmenite (*) |
Pigeonite (*) | Tridymite (*) | Troilite (*) |
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 |
---|---|---|---|---|---|---|---|
Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 1 | 217210 | 1036 | ||
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 1 | 217210 | 2060 | ||
Chromite (*) | Spinel | Fe2+Cr2O4 | 1 | 217210 | 3902 | ||
Hedenbergite (*) | Pyroxene | CaFe2+Si2O6 | 1 | 217210 | 741 | ||
Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 1 | 217210 | 5433 | ||
Pigeonite (*) | Pyroxene | (Mg,Fe,Ca)2Si2O6 | 1 | 217210 | 303 | ||
Tridymite (*) | Tridymite | SiO2 | 1 | 217210 | 458 | ||
Troilite (*) | None | FeS | 1 | 217210 | 1044 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
All age data...
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