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 | Atacamite | Calcite | Clay | Corundum | Diaspore | Gypsum | Kaolinite | None | Palygorskite |
Quartz | Serpentine | Smectite-vermiculite | Spinel | Talc |
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 |
---|---|---|---|---|---|---|---|
Beidellite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3Al2(Si,Al)4O10(OH)2·nH2O | 0 | 85 | |||
Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
Dolomite (*) | None | CaMg(CO3)2 | 0 | 9895 | |||
Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
Herbertsmithite (*) | Atacamite | Cu3Zn(OH)6Cl2 | 0 | 21 | |||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
Lizardite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 359 | |||
Maghemite (*) | Spinel | (Fe3+0.67 0.33)Fe3+2O4 | 0 | 229 | |||
Magnesite (*) | Calcite | Mg(CO3) | 0 | 1487 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
Nontronite (*) | Clay Smectite-vermiculite | Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O | 0 | 471 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Palygorskite (*) | Palygorskite Clay | (Mg,Al)2Si4O10(OH)·4H2O | 0 | 306 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Saponite (*) | Clay Smectite-vermiculite | (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O | 0 | 301 | |||
Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 0 | 3337 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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