| 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. |
| Allophane | Amorphous | Amphibole | Apatite | Clay | Corundum | Cristobalite | Feldspar | Garnet | Gillespite |
| Mica | None | Pseudobrookite | Pyroxene | Quartz | Spinel | Tridymite | Volborthite | 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 | |||
| Albite (*) | Feldspar | Na(AlSi3O8) | 0 | 8803 | |||
| Andradite (*) | Garnet | Ca3Fe3+2(SiO4)3 | 0 | 1534 | |||
| Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 0 | 1036 | |||
| Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
| Chrysocolla (*) | Allophane | (Cu2-xAlx)H2-xSi2O5(OH)4·nH2O | 0 | 3531 | |||
| Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
| Cuprorivaite (*) | Gillespite | CaCuSi4O10 | 0 | 8 | |||
| Enstatite (*) | Pyroxene | Mg2Si2O6 | 0 | 944 | |||
| Fluorapatite (*) | Apatite | Ca5(PO4)3F | 0 | 2740 | |||
| Fluoro-edenite (*) | Amphibole | NaCa2Mg5(Si7Al)O22F2 | 0 | 27 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 0 | 5433 | |||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
| Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
| Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 0 | 2273 | |||
| Pseudobrookite (*) | Pseudobrookite | (Fe3+2Ti)O5 | 0 | 164 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Tridymite (*) | Tridymite | SiO2 | 0 | 458 | |||
| Volborthite (*) | Volborthite | Cu3V2O7(OH)2·2H2O | 0 | 155 | |||
| Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
| Sample | Source Locality | Reference URL |
|---|---|---|
| FKM-235 | Summit Rock, Klamath Co., Oregon, USA | https://www.rockptx.com/fkm-226-to-fkm-250/#FKM-235 |
All locality data graciously provided by mindat.org
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