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 | Epsomite | Ettringite | Humite | None | Olivine | Pyrite | Serpentine |
Smectite-vermiculite | Spinel | Tourmaline | Vivianite | Zircon |
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 | 1 | 58321 | 718 | ||
Antigorite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 1 | 58320 | 708 | ||
Chrysotile (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 1 | 58320 | 951 | ||
Clinohumite (*) | Humite | Mg9(SiO4)4F2 | 1 | 58321 | 236 | ||
Corundum (*) | Corundum | Al2O3 | 1 | 58320 | 1797 | ||
Dravite (*) | Tourmaline | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) | 1 | 58320 | 648 | ||
Epsomite (*) | Epsomite | Mg(SO4)·7H2O | 1 | 58320 | 484 | ||
Ettringite (*) | Ettringite | Ca6Al2(SO4)3(OH)12·27H2O | 1 | 58320 | 93 | ||
Forsterite (*) | Olivine | Mg2(SiO4) | 1 | 58320 | 1188 | ||
Graphite (*) | None | C | 2 | 58320,58321 | 2812 | ||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 1 | 58320 | 1508 | ||
Pyrite (*) | Pyrite | FeS2 | 1 | 58320 | 39462 | ||
Spinel (*) | Spinel | MgAl2O4 | 2 | 58320,58321 | 1934 | ||
Strätlingite (*) | None | Ca2Al(Si,Al)2O2(OH)10·2.25H2O | 1 | 58320 | 11 | ||
Thorite (*) | Zircon | Th(SiO4) | 1 | 58320 | 1006 | ||
Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 1 | 58320 | 652 | ||
Vivianite (*) | Vivianite | Fe2+3(PO4)2·8H2O | 1 | 58320 | 636 | ||
Zircon (*) | Zircon | Zr(SiO4) | 1 | 58320 | 5251 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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