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 | Chlorite | Clay | Feldspar | None | Prehnite | Pyroxene | Smectite-vermiculite | Spinel |
Anorthite (*) | Chromite (*) | Clinochlore (*) | Diopside (*) | Edenite (*) |
Enstatite (*) | Magnesio-hornblende (*) | Magnetite (*) | Montmorillonite (*) | Pargasite (*) |
Prehnite (*) | Tschermakite (*) |
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 |
---|---|---|---|---|---|---|---|
Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 0 | 1036 | |||
Chromite (*) | Spinel | Fe2+Cr2O4 | 0 | 3902 | |||
Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 0 | 1756 | |||
Diopside (*) | Pyroxene | CaMgSi2O6 | 0 | 4135 | |||
Edenite (*) | Amphibole | NaCa2Mg5(Si7Al)O22(OH)2 | 0 | 160 | |||
Enstatite (*) | Pyroxene | Mg2Si2O6 | 0 | 944 | |||
Magnesio-hornblende (*) | Amphibole | Ca2(Mg4Al)(Si7Al)O22(OH)2 | 0 | 238 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
Pargasite (*) | Amphibole | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 | 0 | 313 | |||
Prehnite (*) | Prehnite | Ca2Al(Si3Al)O10(OH)2 | 0 | 1898 | |||
Tschermakite (*) | Amphibole | Ca2(Mg3Al2)(Si6Al2)O22(OH)2 | 0 | 73 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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