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. |
Amorphous | Amphibole | Apatite | Calcite | Clay | None | Pyroxene | Sepiolite | Serpentine | Smectite-vermiculite |
Spinel | Talc |
Anthophyllite (*) | Antigorite (*) | Calcite (*) | Chromite (*) | Chrysotile (*) |
Enstatite (*) | Fluorapatite (*) | Magnetite (*) | Népouite (*) | Nontronite (*) |
Opal (*) | Sepiolite (*) | Talc (*) | 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 | |||
Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
Chromite (*) | Spinel | Fe2+Cr2O4 | 0 | 3902 | |||
Chrysotile (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 951 | |||
Enstatite (*) | Pyroxene | Mg2Si2O6 | 0 | 944 | |||
Fluorapatite (*) | Apatite | Ca5(PO4)3F | 0 | 2740 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Népouite (*) | Serpentine Clay | Ni3Si2O5(OH)4 | 0 | 66 | |||
Nontronite (*) | Clay Smectite-vermiculite | Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O | 0 | 471 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Sepiolite (*) | Sepiolite Clay | Mg4Si6O15(OH)2·6H2O | 0 | 241 | |||
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 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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