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. |
Amphibole | Braunite | Calcite | Clay | Coronadite | Corundum | Mica | None | Ramsdellite | Rhodonite |
Rutile | Spinel |
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 | |||
Birnessite (*) | None | (Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O | 0 | 178 | |||
Braunite (*) | Braunite | Mn2+Mn3+6O8(SiO4) | 0 | 483 | |||
Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 0 | 599 | |||
Dolomite (*) | None | CaMg(CO3)2 | 0 | 9895 | |||
Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
Kutnohorite (*) | None | CaMn2+(CO3)2 | 0 | 234 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Manganite (*) | Rutile | Mn3+O(OH) | 0 | 770 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
Nsutite (*) | Ramsdellite | Mn2+xMn4+1-xO2-2x(OH)2x | 0 | 121 | |||
Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
Rhodochrosite (*) | Calcite | Mn(CO3) | 0 | 1711 | |||
Rhodonite (*) | Rhodonite | CaMn3Mn(Si5O15) | 0 | 969 | |||
Vernadite (*) | None | (Mn,Fe,Ca,Na)(O,OH)2·nH2O | 0 | 65 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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