| 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. |
| Calcite | Chalcanthite | Clay | Diaspore | Fluorite | Mica | Millerite | None | Parisite | Pyrite |
| Quartz | Rutile | Spinel | Sulphur | Vivianite | 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 |
|---|---|---|---|---|---|---|---|
| Annabergite (*) | Vivianite | Ni3(AsO4)2·8H2O | 0 | 445 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Dolomite (*) | None | CaMg(CO3)2 | 0 | 9895 | |||
| Fluorite (*) | Fluorite | CaF2 | 0 | 9617 | |||
| Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Millerite (*) | Millerite | NiS | 0 | 1066 | |||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
| Gersdorffite-Pa3 (*) | Pyrite | NiAsS | 0 | 767 | |||
| Parisite-(Ce) (*) | Parisite | CaCe2(CO3)3F2 | 0 | 112 | |||
| Pentahydrite (*) | Chalcanthite | Mg(SO4)·5H2O | 0 | 32 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Rutile (*) | Rutile | TiO2 | 0 | 5614 | |||
| Sulphur (*) | Sulphur | S | 0 | 2045 | |||
| Xenotime-(Y) (*) | Zircon | Y(PO4) | 0 | 939 |
| Sample | Source Locality | Reference URL |
|---|---|---|
| R120061 | Snowbird Mine, Fish Creek, Alberton, Mineral Co., Montana, USA | https://rruff.info/R120061 |
All locality data graciously provided by mindat.org
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