| 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 | Chlorite | Clay | Corundum | Lawsonite | None | Quartz |
| Chamosite (*) | Glaucophane (*) | Hematite (*) | Lawsonite (*) | Quartz (*) |
| Taneyamalite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Chamosite (*) | Chlorite Clay | (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8 | 0 | 577 | |||
| Glaucophane (*) | Amphibole | Na2(Mg3Al2)Si8O22(OH)2 | 0 | 286 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Lawsonite (*) | Lawsonite | CaAl2(Si2O7)(OH)2·H2O | 0 | 121 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Taneyamalite (*) | None | (Na,Ca)Mn2+12(Si,Al)12(O,OH)44 | 0 | 5 |
| Sample | Source Locality | Reference URL |
|---|---|---|
| R070705 | Taneyama Mine, Toyo, Yatsushiro City, Kumamoto, Japan | https://rruff.info/R070705 |
All locality data graciously provided by mindat.org
All age data...
Other copyright data...