| 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 |
|---|---|---|---|---|---|---|---|
| Albite (*) | Feldspar | Na(AlSi3O8) | 1702 | 1702 | 0 | 8803 | |
| Arsenolite (*) | Arsenolite | As2O3 | 1702 | 1702 | 0 | 231 | |
| Arsenopyrite (*) | Arsenopyrite | FeAsS | 1702 | 1702 | 0 | 9052 | |
| Autunite (*) | Autunite | Ca(UO2)2(PO4)2·10-12H2O | 1702 | 1702 | 0 | 1272 | |
| Beraunite (*) | Beraunite | Fe3+6(PO4)4O(OH)4·6H2O | 1702 | 1702 | 0 | 136 | |
| Bermanite (*) | Arthurite | Mn2+Mn3+2(PO4)2(OH)2·4H2O | 1702 | 1702 | 0 | 55 | |
| Beryl (*) | Beryl | Be3Al2Si6O18 | 1702 | 1702 | 0 | 4286 | |
| Collinsite (*) | Fairfieldite | Ca2Mg(PO4)2·2H2O | 1702 | 1702 | 0 | 38 | |
| Fluorapatite (*) | Apatite | Ca5(PO4)3F | 1702 | 1702 | 0 | 2740 | |
| Heterosite (*) | Olivine | Fe3+(PO4) | 1702 | 1702 | 0 | 204 | |
| Hureaulite (*) | Hureaulite | Mn2+5(PO3OH)2(PO4)2·4H2O | 1702 | 1702 | 0 | 125 | |
| Hydroxylapatite (*) | Apatite | Ca5(PO4)3OH | 1702 | 1702 | 0 | 367 | |
| Laueite (*) | Laueite | Mn2+Fe3+2(PO4)2(OH)2·8H2O | 1702 | 1702 | 0 | 70 | |
| Leucophosphite (*) | Leucophosphite | KFe3+2(PO4)2(OH)·2H2O | 1702 | 1702 | 0 | 110 | |
| Löllingite (*) | Löllingite | FeAs2 | 1702 | 1702 | 0 | 762 | |
| Messelite (*) | Fairfieldite | Ca2Fe2+(PO4)2·2H2O | 1702 | 1702 | 0 | 43 | |
| Microcline (*) | Feldspar | K(AlSi3O8) | 1702 | 1702 | 0 | 4924 | |
| Mitridatite (*) | Arseniosiderite | Ca2Fe3+3O2(PO4)3·3H2O | 1702 | 1702 | 0 | 129 | |
| Montgomeryite (*) | Calcioferrite | Ca4MgAl4(PO4)6(OH)4·12H2O | 1702 | 1702 | 0 | 44 | |
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 1702 | 1702 | 0 | 17380 | |
| Parasymplesite (*) | Vivianite | Fe2+3(AsO4)2·8H2O | 1702 | 1702 | 0 | 124 | |
| Pharmacosiderite (*) | Pharmacosiderite | KFe3+4(AsO4)3(OH)4·6-7H2O | 1702 | 1702 | 0 | 428 | |
| Phosphosiderite (*) | Phosphosiderite | Fe3+(PO4)·2H2O | 1702 | 1702 | 0 | 182 | |
| Quartz (*) | Quartz | SiO2 | 1702 | 1702 | 0 | 61156 | |
| Robertsite (*) | Arseniosiderite | Ca2Mn3+3O2(PO4)3·3H2O | 1702 | 1702 | 0 | 36 | |
| Rockbridgeite (*) | Rockbridgeite | (Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5 | 1702 | 1702 | 0 | 206 | |
| Schneiderhöhnite (*) | None | Fe2+Fe3+3As3+5O13 | 1702 | 1702 | 0 | 15 | |
| Schorl (*) | Tourmaline | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) | 1702 | 1702 | 0 | 2705 | |
| Scorodite (*) | None | Fe3+(AsO4)·2H2O | 1702 | 1702 | 0 | 1153 | |
| Sicklerite (*) | Olivine | LiMn2+(PO4) | 1702 | 1702 | 0 | 66 | |
| Stewartite (*) | Stewartite | Mn2+Fe3+2(PO4)2(OH)2·8H2O | 1702 | 1702 | 0 | 48 | |
| Strunzite (*) | Strunzite | Mn2+Fe3+2(PO4)2(OH)2·6H2O | 1702 | 1702 | 0 | 98 | |
| Symplesite (*) | Symplesite | Fe2+3(AsO4)2·8H2O | 1702 | 1702 | 0 | 92 | |
| Tavorite (*) | None | LiFe3+(PO4)(OH) | 1702 | 1702 | 0 | 35 | |
| Tinsleyite (*) | Leucophosphite | KAl2(PO4)2(OH)·2H2O | 1702 | 1702 | 0 | 9 | |
| Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 1702 | 1702 | 0 | 433 | |
| Tridymite (*) | Tridymite | SiO2 | 1702 | 1702 | 0 | 458 | |
| Triphylite (*) | Olivine | LiFe2+(PO4) | 1702 | 1702 | 0 | 313 | |
| Walentaite (*) | Walentaite | [Mn(H2O)6][ As3+3Fe3+3(PO4)2O7] | 1702 | 1702 | 0 | 6 | |
| Whitlockite (*) | Cerite | Ca9Mg(PO3OH)(PO4)6 | 1702 | 1702 | 0 | 104 | |
| Xanthoxenite (*) | None | Ca4Fe3+2(PO4)4(OH)2·3H2O | 1702 | 1702 | 0 | 29 |
| 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-00046 | 1702 | 1702 | 1702 | high | Yes | Faheyite | Be | 45259 | Roosevelt Group (Rough Rider), Custer, Custer District, Custer Co., South Dakota, USA | Dahl and Foland (2008) | 10.2138/am.2008.2633 | AM93_1215 | |||||||||
| Be-00023 | 1702 | 1702 | 1702 | high | Yes | Ehrleite, Fransoletite, Greifensteinite, Pahasapaite, Parafransoletite, Roscherite, Tiptopite | Be | 4122 | Tip Top Mine (Tip Top Pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA | Dahl and Foland (2008) | 10.2138/am.2008.2633 | AM93_1215 |
| Sample | Source Locality | Reference URL |
|---|---|---|
| R050165 | White Elephant Mine, Cicero Peak, Pringle, Custer District, Custer Co., South Dakota, USA | https://rruff.info/R050165 |
All locality data graciously provided by mindat.org
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