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 | Astrophyllite | Calcite | None | Pyroxene | Zircon |
Aegirine (*) | Arfvedsonite (*) | Astrophyllite (*) | Siderite (*) | Zircon (*) |
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 |
---|---|---|---|---|---|---|---|
Aegirine (*) | Pyroxene | NaFe3+Si2O6 | 0 | 1022 | |||
Arfvedsonite (*) | Amphibole | NaNa2(Fe2+4Fe3+)Si8O22(OH)2 | 0 | 295 | |||
Astrophyllite (*) | Astrophyllite | K2NaFe2+7Ti2(Si4O12)2O2(OH)4F | 0 | 161 | |||
Siderite (*) | Calcite | Fe(CO3) | 0 | 6417 | |||
Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
All age data...
Other copyright data...