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. |
Calcite | Chalcopyrite | Marcasite | None | Pyrite | Quartz | Rocksalt | Sphalerite |
Calcite (*) | Chalcopyrite (*) | Dolomite (*) | Galena (*) | Marcasite (*) |
Pyrite (*) | Quartz (*) | Sphalerite (*) |
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) | 5 | 149819,149821,149824,149826,149827 | 27770 | ||
Chalcopyrite (*) | Chalcopyrite | CuFeS2 | 3 | 149818,149819,149824 | 27198 | ||
Dolomite (*) | None | CaMg(CO3)2 | 5 | 149818,149819,149821,149824,149826 | 9895 | ||
Galena (*) | Rocksalt | PbS | 1 | 149818 | 24243 | ||
Marcasite (*) | Marcasite | FeS2 | 1 | 149819 | 5674 | ||
Pyrite (*) | Pyrite | FeS2 | 1 | 149819 | 39462 | ||
Quartz (*) | Quartz | SiO2 | 1 | 149821 | 61156 | ||
Sphalerite (*) | Sphalerite | ZnS | 6 | 149818,149819,149820,149822,149823,149825 | 21482 |
Sample | Source Locality | Reference URL |
---|---|---|
R050357 | Black Rock, Lawrence County Zinc District, Lawrence Co., Arkansas, USA | https://rruff.info/R050357 |
All locality data graciously provided by mindat.org
All age data...
Other copyright data...