| 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. |
| Alunite | Baryte | Calcite | Clay | Copiapite | Coquimbite | Fluorite | Gypsum | Halotrichite | Hexahydrite |
| Kaolinite | Kieserite | Melanterite | None | Pyrite | Quartz | Starkeyite |
| 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 |
|---|---|---|---|---|---|---|---|
| Baryte (*) | Baryte | Ba(SO4) | 261 | 259 | 0 | 11547 | |
| Calcite (*) | Calcite | Ca(CO3) | 261 | 259 | 0 | 27770 | |
| Coquimbite (*) | Coquimbite | AlFe3(SO4)6(H2O)12·6H2O | 261 | 259 | 0 | 136 | |
| Ferricopiapite (*) | Copiapite | Fe3+0.67Fe3+4(SO4)6(OH)2·20H2O | 261 | 259 | 0 | 41 | |
| Ferrohexahydrite (*) | Hexahydrite | Fe2+(SO4)·6H2O | 261 | 259 | 0 | 21 | |
| Fluorite (*) | Fluorite | CaF2 | 261 | 259 | 0 | 9617 | |
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 261 | 259 | 0 | 6890 | |
| Halotrichite (*) | Halotrichite | Fe2+Al2(SO4)4·22H2O | 261 | 259 | 0 | 409 | |
| Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 261 | 259 | 0 | 2228 | |
| Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 261 | 259 | 0 | 5591 | |
| Melanterite (*) | Melanterite | Fe(SO4)·7H2O | 261 | 259 | 0 | 915 | |
| Pyrite (*) | Pyrite | FeS2 | 261 | 259 | 0 | 39462 | |
| Quartz (*) | Quartz | SiO2 | 261 | 259 | 0 | 61156 | |
| Rozenite (*) | Starkeyite | Fe2+(SO4)·4H2O | 261 | 259 | 0 | 293 | |
| Siderite (*) | Calcite | Fe(CO3) | 261 | 259 | 0 | 6417 | |
| Szomolnokite (*) | Kieserite | Fe(SO4)·H2O | 261 | 259 | 0 | 139 |
| Age ID | Locality Notes |
|---|---|
| Giersdorf_00000802 | The Eshowe Formation is part of the sediments of the KwaZulu-Natal area of South Africa |
| Excel ID | Max Age (Ma) | Min Age (Ma) | Age as listed in reference | Dating Method | Age Interpret | Prioritized? | Sample Source | Sample Num | Run Num | Age from other Locality | Dated Mineral | Minerals explicitely stated as having this age | Age applies to these Elements | MinDat Locality ID | Dated Locality (Max Age) | Location as listed in reference | Reference | Reference DOI | Reference ID | Age Notes | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Giersdorf_00000802 | 261 | 259 | 260±1 | Age given in support of earlier works by Gentle el al. (1978) due to its consistency in its findings | Yes | 57245 | Eshowe, Uthungulu District, KwaZulu-Natal, South Africa | Eshowe | Bordy et al. (2005) | 10.2113/108.3.454 | SAJG107_397 | Age of the clays of the Eshowe group |
All locality data graciously provided by mindat.org
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