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. |
Amorphous | Analcime | Calcite | Clay | Cristobalite | Mica | None | Smectite-vermiculite | Tridymite |
Analcime (*) | Calcite (*) | Cristobalite (*) | Montmorillonite (*) | Muscovite (*) |
Opal (*) | Searlesite (*) | Tridymite (*) |
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 |
---|---|---|---|---|---|---|---|
Analcime (*) | Analcime | Na(AlSi2O6)·H2O | 0 | 1627 | |||
Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Searlesite (*) | None | NaBSi2O5(OH)2 | 0 | 34 | |||
Tridymite (*) | Tridymite | SiO2 | 0 | 458 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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