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| 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. |
| Amphibole | Calcite | Chalcopyrite | Chlorite | Clay | Copper | Covellite | None | Olivine | Pyrite |
| Quartz | Sphalerite | Spinel |
| Bementite (*) | Chalcopyrite (*) | Chromite (*) | Clinochlore (*) | Covellite (*) |
| Gold (*) | Magnesiochromite (*) | Pyrite (*) | Quartz (*) | Rhodochrosite (*) |
| Sphalerite (*) | Tephroite (*) | Tremolite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Bementite (*) | Clay | Mn7Si6O15(OH)8 | 100 | 100 | 1 | 152779 | 173 |
| Chalcopyrite (*) | Chalcopyrite | CuFeS2 | 100 | 100 | 1 | 152783 | 27198 |
| Chromite (*) | Spinel | Fe2+Cr2O4 | 100 | 100 | 5 | 152772,152776,152781,152786,152787 | 3902 |
| Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 281 | 100 | 3 | 152776,152777,152778 | 1756 |
| Covellite (*) | Covellite | CuS | 100 | 100 | 1 | 152783 | 4165 |
| Gold (*) | Copper | Au | 100 | 100 | 5 | 152773,152775,152780,152782,152783 | 30554 |
| Magnesiochromite (*) | Spinel | MgCr2O4 | 281 | 100 | 3 | 152777,152778,152788 | 311 |
| Pyrite (*) | Pyrite | FeS2 | 100 | 100 | 1 | 152783 | 39462 |
| Quartz (*) | Quartz | SiO2 | 100 | 100 | 5 | 152773,152775,152780,152782,152783 | 61156 |
| Rhodochrosite (*) | Calcite | Mn(CO3) | 100 | 100 | 1 | 152779 | 1711 |
| Sphalerite (*) | Sphalerite | ZnS | 100 | 100 | 1 | 152783 | 21482 |
| Tephroite (*) | Olivine | Mn2+2(SiO4) | 100 | 100 | 1 | 152779 | 240 |
| Tremolite (*) | Amphibole | Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 | 100 | 100 | 1 | 152772 | 2562 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mo-00156 | 100 | 100 | Yes | Molybdenite | Mo | 16293 | Calaveras Co., California, USA | Calaveras County | Brock (1972) | 10.1130/0016-7606(1972)83[3391:GOGHSC]2.0.CO;2 | GSAB83_3391 | ||||||||||
| podchrome-00067 | 281 | 281 | Permian (280±3 m.y. 206Pb/238U, 282±3 m.y. 207Pb/235U) | Cr | 75050 | Clary And Langford Mine (Langford Deposit; Porter And Spring; Porter And Springs; Nassau), Carmen City, Foothill Copper Belt, Calaveras Co., California, USA | Clary and Langford | Moiser et al. (2012) | USGSSIR2012_5157 | ||||||||||||
| podchrome-00066 | 281 | 281 | Permian (280±3 m.y. 206Pb/238U, 282±3 m.y. 207Pb/235U) | Cr | 76180 | Walker Mine (Chaparral; Brushy Hill), Carmen City, Foothill Copper Belt, Calaveras Co., California, USA | Walker 1 | Moiser et al. (2012) | USGSSIR2012_5157 | ||||||||||||
| podchrome-00075 | 281 | 281 | Permian (280±3 m.y. 206Pb/238U, 282±3 m.y. 207Pb/235U) | Cr | 76180 | Walker Mine (Chaparral; Brushy Hill), Carmen City, Foothill Copper Belt, Calaveras Co., California, USA | Walker 2 | Moiser et al. (2012) | USGSSIR2012_5157 |
| Sample | Source Locality | Reference URL |
|---|---|---|
All locality data graciously provided by mindat.org
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