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. |
Amphibole | Clay | None | Prehnite | Pyroxene | Stilpnomelane |
Actinolite (*) | Diopside (*) | Prehnite (*) | Stilpnomelane (*) |
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 |
---|---|---|---|---|---|---|---|
Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | 1 | 285615 | 3419 | ||
Diopside (*) | Pyroxene | CaMgSi2O6 | 1 | 285615 | 4135 | ||
Prehnite (*) | Prehnite | Ca2Al(Si3Al)O10(OH)2 | 1 | 285616 | 1898 | ||
Stilpnomelane (*) | Stilpnomelane Clay | (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36·nH2O | 1 | 285616 | 456 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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