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 | Corundum | Garnet | None | Olivine | Prehnite | Smectite-vermiculite | Spinel | Tourmaline |
Chromite (*) | Dravite (*) | Forsterite (*) | Gedrite (*) | Heazlewoodite (*) |
Hematite (*) | Hercynite (*) | Magnesiochromite (*) | Prehnite (*) | Saponite (*) |
Spinel (*) | Uvarovite (*) | 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 |
---|---|---|---|---|---|---|---|
Chromite (*) | Spinel | Fe2+Cr2O4 | 0 | 3902 | |||
Dravite (*) | Tourmaline | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 648 | |||
Forsterite (*) | Olivine | Mg2(SiO4) | 0 | 1188 | |||
Gedrite (*) | Amphibole | Mg2(Mg3Al2)(Si6Al2)O22(OH)2 | 0 | 178 | |||
Heazlewoodite (*) | None | Ni3S2 | 0 | 205 | |||
Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
Hercynite (*) | Spinel | Fe2+Al2O4 | 0 | 407 | |||
Magnesiochromite (*) | Spinel | MgCr2O4 | 0 | 311 | |||
Prehnite (*) | Prehnite | Ca2Al(Si3Al)O10(OH)2 | 0 | 1898 | |||
Saponite (*) | Clay Smectite-vermiculite | (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O | 0 | 301 | |||
Spinel (*) | Spinel | MgAl2O4 | 0 | 1934 | |||
Uvarovite (*) | Garnet | Ca3Cr2(SiO4)3 | 0 | 212 | |||
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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