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 | Clay | Feldspar | Ludwigite | Mica | None | Pyroxene | Quartz | Smectite-vermiculite | Spinel |
Tobermorite | Tridymite | Wöhlerite |
Augite (*) | Cuspidine (*) | Maghemite (*) | Magnetite (*) | Montmorillonite (*) |
Nepheline (*) | Nitratine (*) | Okenite (*) | Phlogopite (*) | Quartz (*) |
Sanidine (*) | Tobermorite (*) | Tridymite (*) | Vonsenite (*) |
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 |
---|---|---|---|---|---|---|---|
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
Cuspidine (*) | Wöhlerite | Ca8(Si2O7)2F4 | 0 | 67 | |||
Maghemite (*) | Spinel | (Fe3+0.67 0.33)Fe3+2O4 | 0 | 229 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
Nepheline (*) | Tridymite | Na3K(Al4Si4O16) | 0 | 884 | |||
Nitratine (*) | Calcite | Na(NO3) | 0 | 91 | |||
Okenite (*) | None | Ca10Si18O46·18H2O | 0 | 71 | |||
Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 0 | 2273 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Sanidine (*) | Feldspar | K(AlSi3O8) | 0 | 598 | |||
Tobermorite (*) | Tobermorite | Ca4Si6O17(H2O)2·(Ca·3H2O) | 0 | 114 | |||
Tridymite (*) | Tridymite | SiO2 | 0 | 458 | |||
Vonsenite (*) | Ludwigite | Fe2+2Fe3+O2(BO3) | 0 | 62 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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