| 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. |
| 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 |
|---|---|---|---|---|---|---|---|
| Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | 1910 | 1850 | 1 | 113188 | 3419 |
| Andalusite (*) | Andalusite | Al2SiO5 | 1910 | 1850 | 0 | 1310 | |
| Annite (*) | Mica Clay | KFe2+3(AlSi3O10)(OH)2 | 1910 | 1850 | 1 | 113187 | 356 |
| Anthophyllite (*) | Amphibole | Mg2Mg5Si8O22(OH)2 | 1910 | 1850 | 0 | 718 | |
| Azurite (*) | Not in a structural group | Cu3(CO3)2(OH)2 | 1910 | 1850 | 0 | 5509 | |
| Baryte (*) | Baryte | Ba(SO4) | 1910 | 1850 | 0 | 11547 | |
| Bastnäsite-(Ce) (*) | Bastnäsite | Ce(CO3)F | 1910 | 1850 | 1 | 113187 | 304 |
| Bastnäsite-(La) (*) | Bastnäsite | La(CO3)F | 1910 | 1850 | 0 | 30 | |
| Bismuth (*) | Arsenic | Bi | 1910 | 1850 | 0 | 1966 | |
| Bismuthinite (*) | Stibnite | Bi2S3 | 1910 | 1850 | 1 | 113188 | 1935 |
| Bismutite (*) | Bismutite | Bi2O2(CO3) | 1910 | 1850 | 0 | 716 | |
| Bornite (*) | None | Cu5FeS4 | 1910 | 1850 | 1 | 113188 | 5516 |
| Brochantite (*) | Brochantite | Cu4(SO4)(OH)6 | 1910 | 1850 | 0 | 1633 | |
| Calcite (*) | Calcite | Ca(CO3) | 1910 | 1850 | 0 | 27770 | |
| Carrollite (*) | Spinel | CuCo2S4 | 1910 | 1880 | 0 | 154 | |
| Cerianite-(Ce) (*) | Fluorite | CeO2 | 1910 | 1850 | 0 | 94 | |
| Cerite-(Ce) (*) | Cerite | (Ce7Ca2) Mg(SiO4)3(SiO3OH)4(OH)3 | 1910 | 1850 | 2 | 113187,113188 | 47 |
| Chalcocite (*) | None | Cu2S | 1910 | 1850 | 0 | 5707 | |
| Chalcopyrite (*) | Chalcopyrite | CuFeS2 | 1910 | 1850 | 1 | 113187 | 27198 |
| Clinochlore (*) | Chlorite Clay | Mg5Al(AlSi3O10)(OH)8 | 1910 | 1850 | 0 | 1756 | |
| Cobaltite (*) | Cobaltite | CoAsS | 1910 | 1880 | 0 | 966 | |
| Cobaltkieserite (*) | Titanite Kieserite | Co(SO4)·H2O | 1910 | 1880 | 0 | 2 | |
| Copper (*) | Copper | Cu | 1910 | 1850 | 0 | 3846 | |
| Cordierite (*) | Beryl | Mg2Al4Si5O18 | 1910 | 1850 | 0 | 1008 | |
| Covellite (*) | Covellite | CuS | 1910 | 1850 | 0 | 4165 | |
| Cubanite (*) | Cubanite Wurtzite | CuFe2S3 | 1910 | 1850 | 0 | 802 | |
| Cuprite (*) | Not in a structural group | Cu2O | 1910 | 1850 | 0 | 2970 | |
| Delhuyarite-(Ce) (*) | Chevkinite | Ce4Mg(Fe3+2W) (Si2O7)2O6(OH)2 | 1910 | 1850 | 1 | 113187 | 1 |
| Emplectite (*) | Chalcostibite | CuBiS2 | 1910 | 1850 | 0 | 246 | |
| Erythrite (*) | Vivianite | Co3(AsO4)2·8H2O | 1910 | 1880 | 0 | 814 | |
| Ferriallanite-(Ce) (*) | Allanite Epidote | CaCe(Fe3+AlFe2+)[Si2O7][SiO4]O(OH) | 1910 | 1850 | 2 | 113187,113188 | 28 |
| Ferriperbøeite-(Ce) (*) | Gatelite | (CaCe3)(Fe3+Al2Fe2+)(Si2O7)(SiO4)3O(OH)2 | 1910 | 1850 | 1 | 113187 | 2 |
| Ferripyrophyllite (*) | Clay Pyrophyllite | Fe3+Si2O5(OH) | 1910 | 1850 | 0 | 9 | |
| Ferro-hornblende (*) | Amphibole | Ca2(Fe2+4Al)(Si7Al)O22(OH)2 | 1910 | 1850 | 0 | 271 | |
| Fluocerite-(Ce) (*) | Fluocerite | CeF3 | 1910 | 1850 | 0 | 45 | |
| Fluocerite-(La) (*) | Fluocerite | LaF3 | 1910 | 1850 | 0 | 2 | |
| Fluorite (*) | Fluorite | CaF2 | 1910 | 1850 | 0 | 9617 | |
| Gadolinite-(Ce) (*) | Gadolinite | Ce2Fe2+Be2O2(SiO4)2 | 1850 | 1850 | 0 | 31 | |
| Gadolinite-(Nd) (*) | Gadolinite | Nd2Fe2+Be2O2(SiO4)2 | 1850 | 1850 | 1 | 113187 | 3 |
| Gold (*) | Copper | Au | 1910 | 1850 | 1 | 113188 | 30554 |
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1910 | 1850 | 0 | 6890 | |
| Håleniusite-(La) (*) | Fluorite | LaOF | 1910 | 1850 | 0 | 1 | |
| Hematite (*) | Corundum | Fe2O3 | 1910 | 1850 | 0 | 14640 | |
| Hodrušite (*) | None | Cu8Bi12S22 | 1910 | 1850 | 0 | 28 | |
| Kupčíkite (*) | None | Cu3.4Fe0.6Bi5S10 | 1910 | 1850 | 0 | 11 | |
| Lanthanite-(Ce) (*) | Lanthanite | Ce2(CO3)3·8H2O | 1910 | 1850 | 0 | 16 | |
| Linnaeite (*) | Spinel | Co2+Co3+2S4 | 1910 | 1880 | 1 | 113188 | 249 |
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 1910 | 1850 | 1 | 113187 | 14899 |
| Malachite (*) | Malachite | Cu2(CO3)(OH)2 | 1910 | 1850 | 1 | 113188 | 12537 |
| Molybdenite (*) | Molybdenite | MoS2 | 1910 | 1850 | 0 | 5800 | |
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 1910 | 1850 | 0 | 17380 | |
| Percleveite-(Ce) (*) | Percleveite | Ce2Si2O7 | 1910 | 1850 | 1 | 113187 | 2 |
| Pyrite (*) | Pyrite | FeS2 | 1910 | 1850 | 0 | 39462 | |
| Pyrrhotite (*) | Nickeline | Fe7S8 | 1910 | 1850 | 0 | 9056 | |
| Quartz (*) | Quartz | SiO2 | 1910 | 1850 | 1 | 113187 | 61156 |
| Rhodonite (*) | Rhodonite | CaMn3Mn(Si5O15) | 1910 | 1850 | 0 | 969 | |
| Scheelite (*) | Scheelite | Ca(WO4) | 1910 | 1850 | 1 | 113187 | 4894 |
| Scorodite (*) | None | Fe3+(AsO4)·2H2O | 1910 | 1850 | 0 | 1153 | |
| Silver (*) | Copper | Ag | 1910 | 1850 | 0 | 5186 | |
| Smolyaninovite (*) | Smolyaninovite | Co3Fe3+2(AsO4)4·11H2O | 1910 | 1880 | 0 | 13 | |
| Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 1910 | 1850 | 1 | 113188 | 3337 |
| Tavagnascoite (*) | Klebelsbergite | Bi4O4(SO4)(OH)2 | 1910 | 1850 | 0 | 2 | |
| Tetradymite (*) | Tetradymite | Bi2Te2S | 1910 | 1850 | 1 | 113187 | 510 |
| Titanite (*) | Titanite | CaTi(SiO4)O | 1910 | 1850 | 0 | 4899 | |
| Törnebohmite-(Ce) (*) | Fornacite | Ce2Al(SiO4)2(OH) | 1910 | 1850 | 2 | 113187,113188 | 23 |
| Tremolite (*) | Amphibole | Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 | 1910 | 1850 | 1 | 113188 | 2562 |
| Uraninite (*) | Fluorite | UO2 | 1910 | 1850 | 1 | 113187 | 2718 |
| Wittichenite (*) | None | Cu3BiS3 | 1910 | 1850 | 1 | 113187 | 297 |
| Wroewolfeite (*) | None | Cu4(SO4)(OH)6·2H2O | 1910 | 1850 | 1 | 113188 | 95 |
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Be-00018 | 1850 | 1850 | 1850 | high | Gadolinite-(Ce) | Be | 3184 | Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden | Allen et al. (1996) | 10.2113/gsecongeo.91.6.979 | EG91_979 | ||||||||||
| Co-00005 | 1910 | 1880 | 1910-1880 | Carrollite, Cobaltite, Cobaltkieserite, Erythrite, Linnaeite, Smolyaninovite | Co | 3184 | Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden | Holtstam & Andersson (2007) | 10.2113/gscanmin.45.5.1073 | CM45_1073 |
| Sample | Source Locality | Reference URL |
|---|---|---|
| FKM-89 | Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden | https://www.rockptx.com/fkm-76-to-fkm-100/#FKM-89 |
| R060708 | Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden | https://rruff.info/R060708 |
| R060813 | Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden | https://rruff.info/R060813 |
| R060808 | Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden | https://rruff.info/R060808 |
| R110171 | Bastnäs Mines, Riddarhyttan, Skinnskatteberg, Västmanland County, Sweden | https://rruff.info/R110171 |
All locality data graciously provided by mindat.org
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