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 | Calcite | Clay | Cristobalite | Gypsum | Kaolinite | None | Quartz | Smectite-vermiculite |
Calcite (*) | Cristobalite (*) | Gibbsite (*) | Gypsum (*) | Kaolinite (*) |
Montmorillonite (*) | Opal (*) | Quartz (*) | Siderite (*) |
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 |
---|---|---|---|---|---|---|---|
Calcite (*) | Calcite | Ca(CO3) | 1 | 224721 | 27770 | ||
Cristobalite (*) | Cristobalite | SiO2 | 2 | 224705,224706 | 453 | ||
Gibbsite (*) | None | Al(OH)3 | 19 | 224697,224699,224700,224702,224703,224704,224708,224710,224711,224712,224713,224715,224716,224717,224719,224724,224725,224728,224749 | 504 | ||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 224725 | 6890 | ||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 19 | 224697,224699,224700,224702,224703,224704,224708,224710,224711,224712,224713,224715,224716,224717,224719,224724,224725,224728,224749 | 5591 | ||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 3 | 224705,224706,224722 | 1508 | ||
Opal (*) | Amorphous | SiO2·nH2O | 2 | 224705,224706 | 2994 | ||
Quartz (*) | Quartz | SiO2 | 1 | 224697 | 61156 | ||
Siderite (*) | Calcite | Fe(CO3) | 0 | 6417 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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