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. |
Amorphous | Aragonite | Calcite | Clay | Coronadite | Feldspar | None | Quartz | Smectite-vermiculite |
Aragonite (*) | Calcite (*) | Hollandite (*) | Microcline (*) | Nontronite (*) |
Opal (*) | Quartz (*) |
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 |
---|---|---|---|---|---|---|---|
Aragonite (*) | Aragonite | Ca(CO3) | 0 | 3250 | |||
Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
Hollandite (*) | Coronadite | Ba(Mn4+6Mn3+2)O16 | 0 | 243 | |||
Microcline (*) | Feldspar | K(AlSi3O8) | 0 | 4924 | |||
Nontronite (*) | Clay Smectite-vermiculite | Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O | 0 | 471 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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