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 | Calcite | Clay | None | Quartz | Smectite-vermiculite |
Calcite (*) | Opal (*) | Quartz (*) | Vermiculite (*) |
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 |
---|---|---|---|---|---|---|---|
Calcite (*) | Calcite | Ca(CO3) | 2 | 27054,27055 | 27770 | ||
Opal (*) | Amorphous | SiO2·nH2O | 2 | 27054,27055 | 2994 | ||
Quartz (*) | Quartz | SiO2 | 2 | 27054,27055 | 61156 | ||
Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 2 | 27054,27055 | 652 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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