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. |
Beryl | Calcite | Clay | Mica | None | Not in a structural group | Olivine | Pseudobrookite | Pyroxene | Rutile |
Smectite-vermiculite | Tridymite |
Calcite (*) | Cordierite (*) | Diopside (*) | Fayalite (*) | Montmorillonite (*) |
Muscovite (*) | Nepheline (*) | Phlogopite (*) | Pseudobrookite (*) | Rutile (*) |
Sillimanite (*) |
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 |
---|---|---|---|---|---|---|---|
Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
Cordierite (*) | Beryl | Mg2Al4Si5O18 | 0 | 1008 | |||
Diopside (*) | Pyroxene | CaMgSi2O6 | 0 | 4135 | |||
Fayalite (*) | Olivine | Fe2+2(SiO4) | 0 | 371 | |||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
Nepheline (*) | Tridymite | Na3K(Al4Si4O16) | 0 | 884 | |||
Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 0 | 2273 | |||
Pseudobrookite (*) | Pseudobrookite | (Fe3+2Ti)O5 | 0 | 164 | |||
Rutile (*) | Rutile | TiO2 | 0 | 5614 | |||
Sillimanite (*) | Not in a structural group | Al2SiO5 | 0 | 1516 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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