| 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. |
| Analcime | Baryte | Calcite | Clay | Corundum | Garnet | Mica | None | Pyrite | Pyroxene |
| Spinel | Zircon |
| Aegirine (*) | Analcime (*) | Ankerite (*) | Augite (*) | Baryte (*) |
| Calcite (*) | Corundum (*) | Diopside (*) | Dolomite (*) | Hematite (*) |
| Magnetite (*) | Phlogopite (*) | Pyrite (*) | Pyrope (*) | Spinel (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Aegirine (*) | Pyroxene | NaFe3+Si2O6 | 0 | 1022 | |||
| Analcime (*) | Analcime | Na(AlSi2O6)·H2O | 0 | 1627 | |||
| Ankerite (*) | None | Ca(Fe2+,Mg)(CO3)2 | 0 | 3092 | |||
| Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
| Baryte (*) | Baryte | Ba(SO4) | 0 | 11547 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Corundum (*) | Corundum | Al2O3 | 0 | 1797 | |||
| Diopside (*) | Pyroxene | CaMgSi2O6 | 0 | 4135 | |||
| Dolomite (*) | None | CaMg(CO3)2 | 0 | 9895 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 0 | 2273 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Pyrope (*) | Garnet | Mg3Al2(SiO4)3 | 0 | 341 | |||
| Spinel (*) | Spinel | MgAl2O4 | 0 | 1934 | |||
| Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
| Sample | Source Locality | Reference URL |
|---|---|---|
| R060020 | Yogo Gulch, Yogo District, Little Belt Mts, Judith Basin Co., Montana, USA | https://rruff.info/R060020 |
All locality data graciously provided by mindat.org
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