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. |
Beryl | Clay | Columbite | Feldspar | Mica | None | Quartz |
Beryl (*) | Microcline (*) | Muscovite (*) | Polycrase-(Y) (*) | Quartz (*) |
Yttrotantalite-(Y) (*) |
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 |
---|---|---|---|---|---|---|---|
Beryl (*) | Beryl | Be3Al2Si6O18 | 0 | 4286 | |||
Microcline (*) | Feldspar | K(AlSi3O8) | 0 | 4924 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
Polycrase-(Y) (*) | Columbite | Y(Ti,Nb)2(O,OH)6 | 0 | 121 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Yttrotantalite-(Y) (*) | Columbite | (Y,U,Fe2+)(Ta,Nb)(O,OH)4 | 0 | 51 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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