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 | Calcite | Chlorite | Clay | Hexahydrite | Kaolinite | Mica | None | Palygorskite | Quartz |
Sepiolite | Serpentine | Smectite-vermiculite | 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 |
---|---|---|---|---|---|---|---|
Annite (*) | Mica Clay | KFe2+3(AlSi3O10)(OH)2 | 0 | 356 | |||
Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 0 | 1756 | |||
Clintonite (*) | Mica Clay | CaAlMg2(SiAl3O10)(OH)2 | 0 | 86 | |||
Dolomite (*) | None | CaMg(CO3)2 | 0 | 9895 | |||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
Lizardite (*) | Serpentine Clay | Mg3Si2O5(OH)4 | 0 | 359 | |||
Magnesite (*) | Calcite | Mg(CO3) | 0 | 1487 | |||
Nickelhexahydrite (*) | Hexahydrite | Ni(SO4)·6H2O | 0 | 37 | |||
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 | |||
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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