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 | Andalusite | Clay | Clinozoisite | Corundum | Epidote | Mica | None | Prehnite | Quartz |
Smectite-vermiculite | Talc | Tourmaline |
Actinolite (*) | Andalusite (*) | Clinozoisite (*) | Corundum (*) | Dravite (*) |
Graphite (*) | Muscovite (*) | Phlogopite (*) | Prehnite (*) | Quartz (*) |
Schorl (*) | Talc (*) | Vermiculite (*) | Zoisite (*) |
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 |
---|---|---|---|---|---|---|---|
Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | 0 | 3419 | |||
Andalusite (*) | Andalusite | Al2SiO5 | 0 | 1310 | |||
Clinozoisite (*) | Clinozoisite Epidote | Ca2Al3[Si2O7][SiO4]O(OH) | 0 | 1025 | |||
Corundum (*) | Corundum | Al2O3 | 0 | 1797 | |||
Dravite (*) | Tourmaline | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 648 | |||
Graphite (*) | None | C | 0 | 2812 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 0 | 2273 | |||
Prehnite (*) | Prehnite | Ca2Al(Si3Al)O10(OH)2 | 0 | 1898 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Schorl (*) | Tourmaline | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 2705 | |||
Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 0 | 3337 | |||
Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 0 | 652 | |||
Zoisite (*) | Epidote | Ca2Al3[Si2O7][SiO4]O(OH) | 0 | 1025 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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