| 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. |
| Amphibole | Calcite | Chlorite | Clay | Corundum | Diaspore | Feldspar | None | Quartz | Rutile |
| Spinel | Stilpnomelane | Talc |
| Albite (*) | Ankerite (*) | Chamosite (*) | Dolomite (*) | Goethite (*) |
| Graphite (*) | Hematite (*) | Magnetite (*) | Minnesotaite (*) | Pyrolusite (*) |
| Quartz (*) | Riebeckite (*) | Siderite (*) | Stilpnomelane (*) | Talc (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Albite (*) | Feldspar | Na(AlSi3O8) | 1 | 34447 | 8803 | ||
| Ankerite (*) | None | Ca(Fe2+,Mg)(CO3)2 | 1 | 34447 | 3092 | ||
| Chamosite (*) | Chlorite Clay | (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8 | 1 | 34447 | 577 | ||
| Dolomite (*) | None | CaMg(CO3)2 | 1 | 34447 | 9895 | ||
| Goethite (*) | Diaspore | FeO(OH) | 1 | 34448 | 7437 | ||
| Graphite (*) | None | C | 1 | 34447 | 2812 | ||
| Hematite (*) | Corundum | Fe2O3 | 1 | 34447 | 14640 | ||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 2 | 34447,34448 | 14899 | ||
| Minnesotaite (*) | Clay Talc | Fe2+3Si4O10(OH)2 | 2 | 34447,34448 | 61 | ||
| Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
| Quartz (*) | Quartz | SiO2 | 2 | 34447,34448 | 61156 | ||
| Riebeckite (*) | Amphibole | Na2(Fe2+3Fe3+2)Si8O22(OH)2 | 1 | 34447 | 375 | ||
| Siderite (*) | Calcite | Fe(CO3) | 1 | 34447 | 6417 | ||
| Stilpnomelane (*) | Stilpnomelane Clay | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O | 1 | 34447 | 456 | ||
| Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 1 | 34447 | 3337 |
All locality data graciously provided by mindat.org
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