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 | Clay | Corrensite | Corundum | Mica | None | Pyroxene | Quartz | Serpentine | Smectite-vermiculite |
Spinel |
Anthophyllite (*) | Antigorite (*) | Corundum (*) | Enstatite (*) | Gedrite (*) |
Hercynite (*) | Hydrobiotite (*) | Magnetite (*) | Muscovite (*) | Quartz (*) |
Vermiculite (*) |
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 |
---|---|---|---|---|---|---|---|
Anthophyllite (*) | Amphibole | Mg2Mg5Si8O22(OH)2 | 0 | 718 | |||
Antigorite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 708 | |||
Corundum (*) | Corundum | Al2O3 | 0 | 1797 | |||
Enstatite (*) | Pyroxene | Mg2Si2O6 | 0 | 944 | |||
Gedrite (*) | Amphibole | Mg2(Mg3Al2)(Si6Al2)O22(OH)2 | 0 | 178 | |||
Hercynite (*) | Spinel | Fe2+Al2O4 | 0 | 407 | |||
Hydrobiotite (*) | Corrensite Clay | K(Mg,Fe2+)6(Si,Al)8O20(OH)4·nH2O | 0 | 49 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 0 | 652 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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