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. |
Clay | Cristobalite | Fluorite | None | Not in a structural group | Quartz | Smectite-vermiculite |
Bertrandite (*) | Cristobalite (*) | Fluorite (*) | Quartz (*) | Saponite (*) |
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 |
---|---|---|---|---|---|---|---|
Bertrandite (*) | Not in a structural group | Be4Si2O7(OH)2 | 0 | 606 | |||
Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
Fluorite (*) | Fluorite | CaF2 | 0 | 9617 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Saponite (*) | Clay Smectite-vermiculite | (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O | 0 | 301 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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