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 | Cristobalite | Kaolinite | None | Olivine | Pyroxene | Rutile |
Sepiolite | Spinel |
Aragonite (*) | Augite (*) | Chromite (*) | Cristobalite (*) | Enstatite (*) |
Forsterite (*) | Kaolinite (*) | Magnesite (*) | Opal (*) | Pyrolusite (*) |
Sepiolite (*) | Todorokite (*) |
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 | |||
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 0 | 2060 | |||
Chromite (*) | Spinel | Fe2+Cr2O4 | 0 | 3902 | |||
Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
Enstatite (*) | Pyroxene | Mg2Si2O6 | 0 | 944 | |||
Forsterite (*) | Olivine | Mg2(SiO4) | 0 | 1188 | |||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
Magnesite (*) | Calcite | Mg(CO3) | 0 | 1487 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
Sepiolite (*) | Sepiolite Clay | Mg4Si6O15(OH)2·6H2O | 0 | 241 | |||
Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 0 | 433 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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