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. |
Clay | Corundum | Diaspore | None | Quartz | Serpentine | Smectite-vermiculite | Spinel |
Goethite (*) | Hematite (*) | Lizardite (*) | Maghemite (*) | Nontronite (*) |
Quartz (*) |
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 |
---|---|---|---|---|---|---|---|
Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
Lizardite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 359 | |||
Maghemite (*) | Spinel | (Fe3+0.67 0.33)Fe3+2O4 | 0 | 229 | |||
Nontronite (*) | Clay Smectite-vermiculite | Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O | 0 | 471 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
All age data...
Other copyright data...