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 | Clay | Copper | Cristobalite | Gypsum | None | Quartz | Smectite-vermiculite |
Cristobalite (*) | Gypsum (*) | Opal (*) | Platinum (*) | 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 |
---|---|---|---|---|---|---|---|
Cristobalite (*) | Cristobalite | SiO2 | 1 | 2340 | 453 | ||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 2338 | 6890 | ||
Opal (*) | Amorphous | SiO2·nH2O | 2 | 2340,2341 | 2994 | ||
Platinum (*) | Copper | Pt | 2 | 2342,2343 | 485 | ||
Quartz (*) | Quartz | SiO2 | 1 | 2340 | 61156 | ||
Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 1 | 2342 | 652 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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