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 | Calcite | Clay | None | Not in a structural group | Pyroxene | Quartz | Serpentine | Smectite-vermiculite |
Spinel |
Actinolite (*) | Anthophyllite (*) | Antigorite (*) | Chromite (*) | Chrysotile (*) |
Enstatite (*) | Huntite (*) | Magnesite (*) | Magnetite (*) | Opal (*) |
Quartz (*) | Saponite (*) | 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 |
---|---|---|---|---|---|---|---|
Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | 0 | 3419 | |||
Anthophyllite (*) | Amphibole | Mg2Mg5Si8O22(OH)2 | 0 | 718 | |||
Antigorite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 708 | |||
Chromite (*) | Spinel | Fe2+Cr2O4 | 0 | 3902 | |||
Chrysotile (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 951 | |||
Enstatite (*) | Pyroxene | Mg2Si2O6 | 0 | 944 | |||
Huntite (*) | Not in a structural group | CaMg3(CO3)4 | 0 | 69 | |||
Magnesite (*) | Calcite | Mg(CO3) | 0 | 1487 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Saponite (*) | Clay Smectite-vermiculite | (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O | 0 | 301 | |||
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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