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. |
Calcite | Chlorite | Clay | Gypsum | Kaolinite | None | Pyrite | Smectite-vermiculite | Spinel | Stilpnomelane |
Calcite (*) | Chamosite (*) | Clinochlore (*) | Gypsum (*) | Kaolinite (*) |
Magnetite (*) | Montmorillonite (*) | Nontronite (*) | Pyrite (*) | Siderite (*) |
Stilpnomelane (*) |
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 |
---|---|---|---|---|---|---|---|
Calcite (*) | Calcite | Ca(CO3) | 1 | 114970 | 27770 | ||
Chamosite (*) | Chlorite Clay | (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8 | 1 | 114970 | 577 | ||
Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 1 | 114970 | 1756 | ||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 114970 | 6890 | ||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 1 | 114970 | 5591 | ||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 1 | 114970 | 14899 | ||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 1 | 114970 | 1508 | ||
Nontronite (*) | Clay Smectite-vermiculite | Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O | 1 | 114970 | 471 | ||
Pyrite (*) | Pyrite | FeS2 | 1 | 114970 | 39462 | ||
Siderite (*) | Calcite | Fe(CO3) | 1 | 114970 | 6417 | ||
Stilpnomelane (*) | Stilpnomelane Clay | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O | 1 | 114970 | 456 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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