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. |
Chalcopyrite | Clay | Copper | Diaspore | Feroxyhyte | Gypsum | Kaolinite | Mica | Nolanite | None |
Not in a structural group | Pyrite | Quartz | Smectite-vermiculite | Sphalerite |
Anhydrite (*) | Birnessite (*) | Chalcopyrite (*) | Copper (*) | Feroxyhyte (*) |
Ferrihydrite (*) | Goethite (*) | Gypsum (*) | Kaolinite (*) | Muscovite (*) |
Pyrite (*) | Quartz (*) | Sphalerite (*) | Vermiculite (*) | Vernadite (*) |
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 |
---|---|---|---|---|---|---|---|
Anhydrite (*) | Not in a structural group | Ca(SO4) | 1 | 1961 | 1588 | ||
Birnessite (*) | None | (Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O | 1 | 1958 | 178 | ||
Chalcopyrite (*) | Chalcopyrite | CuFeS2 | 1 | 1961 | 27198 | ||
Copper (*) | Copper | Cu | 2 | 1963,1965 | 3846 | ||
Feroxyhyte (*) | Feroxyhyte | Fe3+O(OH) | 2 | 1958,1960 | 19 | ||
Ferrihydrite (*) | Nolanite | Fe3+10O14(OH)2 | 1 | 1958 | 86 | ||
Goethite (*) | Diaspore | FeO(OH) | 1 | 1958 | 7437 | ||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 1959 | 6890 | ||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 2 | 1958,1959 | 5591 | ||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 2 | 1958,1959 | 17380 | ||
Pyrite (*) | Pyrite | FeS2 | 1 | 1961 | 39462 | ||
Quartz (*) | Quartz | SiO2 | 1 | 1958 | 61156 | ||
Sphalerite (*) | Sphalerite | ZnS | 1 | 1961 | 21482 | ||
Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 1 | 1959 | 652 | ||
Vernadite (*) | None | (Mn,Fe,Ca,Na)(O,OH)2·nH2O | 1 | 1958 | 65 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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