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 | Apatite | Clay | Corundum | Cristobalite | Feldspar | Fluorite | None | Quartz | Rutile |
Smectite-vermiculite | Titanite | Topaz | Tridymite |
Cassiterite (*) | Cristobalite (*) | Durangite (*) | Fluorite (*) | Hematite (*) |
Mimetite (*) | Montmorillonite (*) | Opal (*) | Quartz (*) | Sanidine (*) |
Topaz (*) | Tridymite (*) |
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 |
---|---|---|---|---|---|---|---|
Cassiterite (*) | Rutile | SnO2 | 1 | 82330 | 5171 | ||
Cristobalite (*) | Cristobalite | SiO2 | 1 | 82330 | 453 | ||
Durangite (*) | Titanite | NaAl(AsO4)F | 1 | 82330 | 6 | ||
Fluorite (*) | Fluorite | CaF2 | 1 | 82330 | 9617 | ||
Hematite (*) | Corundum | Fe2O3 | 1 | 82330 | 14640 | ||
Mimetite (*) | Apatite | Pb5(AsO4)3Cl | 1 | 82330 | 1107 | ||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 1 | 82330 | 1508 | ||
Opal (*) | Amorphous | SiO2·nH2O | 1 | 82330 | 2994 | ||
Quartz (*) | Quartz | SiO2 | 1 | 82330 | 61156 | ||
Sanidine (*) | Feldspar | K(AlSi3O8) | 1 | 82330 | 598 | ||
Topaz (*) | Topaz | Al2SiO4F2 | 1 | 82330 | 1476 | ||
Tridymite (*) | Tridymite | SiO2 | 1 | 82330 | 458 |
Sample | Source Locality | Reference URL |
---|---|---|
R120118 | Barranca Mine, Coneto De Comonfort, Coneto De Comonfort Municipality, Durango, Mexico | https://rruff.info/R120118 |
All locality data graciously provided by mindat.org
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