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 | Cerite | Clay | Cristobalite | Gypsum | Iron | Mica | None | Palygorskite |
Pyroxene | Quartz | Sepiolite | Smectite-vermiculite | Spinel |
Augite (*) | Calcite (*) | Chromite (*) | Cristobalite (*) | Gypsum (*) |
Iron (*) | Merrillite (*) | Montmorillonite (*) | Muscovite (*) | Opal (*) |
Palygorskite (*) | Quartz (*) | Sepiolite (*) | Taenite (*) | Troilite (*) |
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 |
---|---|---|---|---|---|---|---|
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 1 | 110110 | 2060 | ||
Calcite (*) | Calcite | Ca(CO3) | 3 | 110112,110115,110116 | 27770 | ||
Chromite (*) | Spinel | Fe2+Cr2O4 | 1 | 110110 | 3902 | ||
Cristobalite (*) | Cristobalite | SiO2 | 1 | 110115 | 453 | ||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 110114 | 6890 | ||
Iron (*) | Iron | Fe | 1 | 110110 | 1089 | ||
Merrillite (*) | Cerite | Ca9NaMg(PO4)7 | 1 | 110110 | 230 | ||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 1 | 110115 | 1508 | ||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 2 | 110115,110116 | 17380 | ||
Opal (*) | Amorphous | SiO2·nH2O | 2 | 110117,110118 | 2994 | ||
Palygorskite (*) | Palygorskite Clay | (Mg,Al)2Si4O10(OH)·4H2O | 1 | 110115 | 306 | ||
Quartz (*) | Quartz | SiO2 | 3 | 110113,110117,110118 | 61156 | ||
Sepiolite (*) | Sepiolite Clay | Mg4Si6O15(OH)2·6H2O | 4 | 110112,110115,110116,110117 | 241 | ||
Taenite (*) | None | (Ni,Fe) | 1 | 110110 | 703 | ||
Troilite (*) | None | FeS | 1 | 110110 | 1044 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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