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 | Mica | None | Pyroxene |
Barroisite (*) | Glaucophane (*) | Omphacite (*) | Paragonite (*) |
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 |
---|---|---|---|---|---|---|---|
Barroisite (*) | Amphibole | (NaCa)(Mg3Al2)(Si7Al)O22(OH)2 | 0 | 49 | |||
Glaucophane (*) | Amphibole | Na2(Mg3Al2)Si8O22(OH)2 | 0 | 286 | |||
Omphacite (*) | Pyroxene | (Ca,Na)(Mg,Fe,Al)Si2O6 | 0 | 229 | |||
Paragonite (*) | Mica Clay | NaAl2(Si3Al)O10(OH)2 | 0 | 247 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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