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. |
Allophane | Alunite | Clay | Diaspore | Feldspar | Kaolinite | Marcasite | Mica | None | Quartz |
Rutile |
Allophane (*) | Alunite (*) | Crandallite (*) | Gibbsite (*) | Goethite (*) |
Halloysite-10Å (*) | Marcasite (*) | Muscovite (*) | Orthoclase (*) | Quartz (*) |
Rutile (*) |
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 |
---|---|---|---|---|---|---|---|
Allophane (*) | Allophane | Al2O3(SiO2)1.3-2.0·2.5-3.0H2O | 0 | 470 | |||
Alunite (*) | None | KAl3(SO4)2(OH)6 | 0 | 966 | |||
Crandallite (*) | Alunite | CaAl3(PO4)(PO3OH)(OH)6 | 0 | 310 | |||
Gibbsite (*) | None | Al(OH)3 | 0 | 504 | |||
Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
Halloysite-10Å (*) | Clay Kaolinite | Al2Si2O5(OH)4·2H2O | 0 | 62 | |||
Marcasite (*) | Marcasite | FeS2 | 0 | 5674 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
Orthoclase (*) | Feldspar | K(AlSi3O8) | 0 | 2349 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Rutile (*) | Rutile | TiO2 | 0 | 5614 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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