| 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. |
| Baryte | Calcite | Copper | Fluorite | Gypsum | Malachite | None | Not in a structural group | Olivine | Pyrite |
| Quartz | Sincosite |
| Azurite (*) | Baryte (*) | Calcite (*) | Fluorite (*) | Gold (*) |
| Gypsum (*) | Hessite (*) | Malachite (*) | Minyulite (*) | Purpurite (*) |
| Pyrite (*) | Quartz (*) | Silver (*) | Sincosite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Azurite (*) | Not in a structural group | Cu3(CO3)2(OH)2 | 0 | 5509 | |||
| Baryte (*) | Baryte | Ba(SO4) | 0 | 11547 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Fluorite (*) | Fluorite | CaF2 | 0 | 9617 | |||
| Gold (*) | Copper | Au | 0 | 30554 | |||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
| Hessite (*) | None | Ag2Te | 0 | 804 | |||
| Malachite (*) | Malachite | Cu2(CO3)(OH)2 | 0 | 12537 | |||
| Minyulite (*) | None | KAl2(PO4)2F·4H2O | 0 | 31 | |||
| Purpurite (*) | Olivine | Mn3+(PO4) | 0 | 80 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Silver (*) | Copper | Ag | 0 | 5186 | |||
| Sincosite (*) | Sincosite | Ca(VO)2(PO4)2·4H2O | 0 | 10 |
| Sample | Source Locality | Reference URL |
|---|---|---|
| R060523 | Ross Hannibal Mine (North Star Mine; Hannibal Mine; And Mikado Mine), Lead District, Lawrence Co., South Dakota, USA | https://rruff.info/R060523 |
| R141155 | Ross Hannibal Mine (North Star Mine; Hannibal Mine; And Mikado Mine), Lead District, Lawrence Co., South Dakota, USA | https://rruff.info/R141155 |
All locality data graciously provided by mindat.org
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