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 Acanthite (*) Acanthite Ag2 S 1837 1805 1 112630 2793 Actinolite (*) Amphibole Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2 1837 1782 4 112630 ,112635 ,112641 ,112661 3419 Albite (*) Feldspar Na(AlSi3 O8 ) 1837 1782 11 112630 ,112631 ,112633 ,112635 ,112642 ,112659 ,112662 ,112663 ,112666 ,112681 ,112689 8803 Allanite-(Ce) (*) Allanite Epidote CaCe(Al2 Fe2+ )[Si2 O7 ][SiO4 ]O(OH) 1 112653 706 Alluaudite (*) Alluaudite NaMnFe3+ 2 (PO4 )3 1820 1820 3 112659 ,112660 ,112673 94 Almandine (*) Garnet Fe2+ 3 Al2 (SiO4 )3 1 112635 2353 Amblygonite (*) None LiAl(PO4 )F 1837 1805 5 112630 ,112631 ,112633 ,112659 ,112673 244 Analcime (*) Analcime Na(AlSi2 O6 )·H2 O 1837 1805 3 112630 ,112651 ,112652 1627 Andradite (*) Garnet Ca3 Fe3+ 2 (SiO4 )3 1 112637 1534 Annite (*) Mica Clay KFe2+ 3 (AlSi3 O10 )(OH)2 1837 1805 1 112630 356 Anorthite (*) Feldspar Ca(Al2 Si2 O8 ) 1837 1782 4 112630 ,112653 ,112661 ,112664 1036 Anthophyllite (*) Amphibole Mg2 Mg5 Si8 O22 (OH)2 1 112635 718 Arrojadite-(KFe) (*) Arrojadite (KNa)Fe2+ (CaNa2 )Fe2+ 13 Al(PO4 )11 (PO3 OH)(OH)2 1820 1820 2 112659 ,112673 50 Arsenopyrite (*) Arsenopyrite FeAsS 1837 1782 4 112630 ,112633 ,112659 ,112661 9052 Augelite (*) None Al2 (PO4 )(OH)3 1 112673 79 Axinite-(Fe) (*) Axinite Ca4 Fe2+ 2 Al4 [B2 Si8 O30 ](OH)2 1837 1805 1 112630 260 Babingtonite (*) Rhodonite Ca2 Fe2+ Fe3+ Si5 O14 (OH) 1837 1805 1 112630 161 Baryte (*) Baryte Ba(SO4 ) 1837 1805 2 112630 ,112677 11547 Bastnäsite-(Ce) (*) Bastnäsite Ce(CO3 )F 1 112689 304 Bavenite (*) None Ca4 Be2+x Al2-x Si9 O26-x (OH)2+x (x = 0 to 1) 1820 1820 2 112630 ,112633 255 Bertrandite (*) Not in a structural group Be4 Si2 O7 (OH)2 1820 1782 8 112627 ,112630 ,112661 ,112663 ,112666 ,112673 ,112674 ,112689 606 Beryl (*) Beryl Be3 Al2 Si6 O18 1820 1782 15 112625 ,112629 ,112630 ,112633 ,112653 ,112655 ,112659 ,112660 ,112661 ,112662 ,112663 ,112664 ,112666 ,112673 ,112689 4286 Beryllonite (*) Beryllonite NaBe(PO4 ) 1820 1820 1 112659 47 Beusite (*) Graftonite Mn2+ Mn2+ 2 (PO4 )2 2 112626 ,112629 39 Bismuth (*) Arsenic Bi 2 112649 ,112689 1966 Bismuthinite (*) Stibnite Bi2 S3 1 112649 1935 Bityite (*) Mica Clay CaLiAl2 (Si2 BeAl)O10 (OH)2 1788 1782 1 112661 31 Bornite (*) None Cu5 FeS4 1837 1805 2 112630 ,112653 5516 Brucite (*) Brucite Mg(OH)2 1788 1782 2 112650 ,112661 462 Calciotantite (*) None CaTa4 O11 1837 1805 2 112631 ,112633 6 Calcite (*) Calcite Ca(CO3 ) 1837 1782 8 112630 ,112633 ,112635 ,112661 ,112662 ,112663 ,112677 ,112689 27770 Cassiterite (*) Rutile SnO2 1837 1782 8 112625 ,112630 ,112631 ,112633 ,112659 ,112661 ,112662 ,112673 5171 Cerussite (*) Aragonite Pb(CO3 ) 1837 1805 1 112630 4979 Chalcocite (*) None Cu2 S 1837 1793 2 112630 ,112666 5707 Chalcopyrite (*) Chalcopyrite CuFeS2 1837 1782 6 112630 ,112635 ,112638 ,112654 ,112659 ,112661 27198 Chamosite (*) Chlorite Clay (Fe2+ ,Mg,Al,Fe3+ )6 (Si,Al)4 O10 (OH,O)8 1788 1782 1 112661 577 Chiavennite (*) None CaMn2+ (BeOH)2 Si5 O13 ·2H2 O 1820 1820 2 112630 ,112633 22 Chondrodite (*) Humite Mg5 (SiO4 )2 F2 1788 1782 1 112661 285 Chrysoberyl (*) Olivine BeAl2 O4 1 112689 321 Clino-suenoite (*) Amphibole Mn2+ 2 Mg5 Si8 O22 (OH)2 1837 1805 2 112630 57 Clinochlore (*) Chlorite Clay Mg5 Al(AlSi3 O10 )(OH)8 1 112645 1756 Fergusonite-(Y)-β (*) None YNbO4 1 112689 17 Clinohumite (*) Humite Mg9 (SiO4 )4 F2 1788 1782 3 112648 ,112653 ,112661 236 Clinozoisite (*) Clinozoisite Epidote Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 1797 1782 3 112661 ,112663 ,112666 1025 Columbite-(Mn) (*) Columbite Mn2+ Nb2 O6 1837 1805 2 112630 ,112631 289 Cookeite (*) Chlorite Clay (Al,Li)3 Al2 (Si,Al)4 O10 (OH)8 1837 1805 1 112630 181 Cordierite (*) Beryl Mg2 Al4 Si5 O18 1 112689 1008 Corundum (*) Corundum Al2 O3 1 112673 1797 Cummingtonite (*) Amphibole Mg2 Mg5 Si8 O22 (OH)2 1 112635 327 Danalite (*) Cancrinite-sodalite Sodalite Be3 Fe2+ 4 (SiO4 )3 S 1788 1782 1 112661 58 Datolite (*) Gadolinite CaB(SiO4 )(OH) 1837 1805 1 112630 498 Diopside (*) Pyroxene CaMgSi2 O6 1837 1782 5 112630 ,112635 ,112641 ,112650 ,112661 4135 Djurleite (*) None Cu31 S16 1837 1805 2 112630 ,112633 300 Dolomite (*) None CaMg(CO3 )2 1837 1782 3 112630 ,112645 ,112661 9895 Dravite (*) Tourmaline NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 1837 1782 3 112631 ,112633 ,112661 648 Elbaite (*) Tourmaline Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 1837 1805 5 112630 ,112631 ,112633 ,112659 ,112673 520 Eosphorite (*) Childrenite Mn2+ Al(PO4 )(OH)2 ·H2 O 1820 1820 2 112659 ,112673 128 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 1837 1805 7 112630 ,112633 ,112635 ,112637 ,112643 ,112654 ,112689 8173 Euclase (*) None BeAlSiO4 (OH) 1788 1782 2 112661 ,112663 120 Eucryptite (*) Phenakite LiAlSiO4 1837 1805 1 112630 29 Fergusonite-(Y) (*) Scheelite YNbO4 1788 1782 4 112653 ,112655 ,112661 ,112689 196 Ferrisicklerite (*) Olivine Li1-x (Fe3+ ,Mn2+ )(PO4 ) 1837 1805 2 112630 ,112659 108 Ferroalluaudite (*) Alluaudite NaFe2+ Fe3+ 2 (PO4 )3 1820 1820 1 112659 11 Feruvite (*) Tourmaline CaFe2+ 3 (Al5 Mg)(Si6 O18 )(BO3 )3 (OH)3 (OH) 1837 1805 1 112630 15 Fluor-elbaite (*) Tourmaline Na(Li1.5 Al1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 F 1837 1805 1 112633 31 Fluorapatite (*) Apatite Ca5 (PO4 )3 F 1837 1805 3 112630 ,112659 ,112689 2740 Fluorapophyllite-(K) (*) Apophyllite KCa4 Si8 O20 F·8H2 O 1837 1805 1 112630 303 Fluorite (*) Fluorite CaF2 1837 1782 7 112630 ,112661 ,112662 ,112663 ,112664 ,112666 ,112689 9617 Foitite (*) Tourmaline (Fe2+ 2 Al)Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH)1837 1805 2 112630 ,112631 75 Formanite-(Y) (*) None YTaO4 1 112689 13 Forsterite (*) Olivine Mg2 (SiO4 ) 1788 1782 2 112650 ,112661 1188 Friedelite (*) Pyrosmalite Clay Mn2+ 8 Si6 O15 (OH)10 1837 1805 1 112630 40 Gadolinite-(Y) (*) Gadolinite Y2 Fe2+ Be2 O2 (SiO4 )2 1 112689 163 Galena (*) Rocksalt PbS 1837 1782 6 112630 ,112633 ,112635 ,112661 ,112685 ,112689 24243 Goethite (*) Diaspore FeO(OH) 1837 1805 1 112630 7437 Graftonite (*) Graftonite Fe2+ Fe2+ 2 (PO4 )2 1820 1820 5 112625 ,112626 ,112629 ,112659 ,112660 107 Graphite (*) None C 1837 1782 2 112630 ,112661 2812 Grossular (*) Garnet Ca3 Al2 (SiO4 )3 1788 1782 5 112635 ,112637 ,112642 ,112656 ,112661 1544 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 1837 1805 2 112630 ,112682 6890 Hagendorfite (*) Alluaudite Na2 MnFe2+ Fe3+ (PO4 )3 1820 1820 1 112659 17 Helvine (*) Sodalite Cancrinite-sodalite Be3 Mn2+ 4 (SiO4 )3 S 1820 1782 2 112633 ,112661 237 Hematite (*) Corundum Fe2 O3 1837 1805 2 112630 ,112645 14640 Herderite (*) Gadolinite CaBe(PO4 )F 1820 1820 1 112659 20 Heterosite (*) Olivine Fe3+ (PO4 ) 1820 1820 2 112659 ,112673 204 Hingganite-(Y) (*) Gadolinite BeY(SiO4 )(OH) 1788 1782 1 112661 55 Hisingerite (*) Kaolinite Clay Fe2 Si2 O5 (OH)4 ·2H2 O 1837 1805 3 112630 ,112654 ,112689 144 Holmquistite (*) Amphibole Li2 (Mg3 Al2 )Si8 O22 (OH)2 1837 1805 2 112630 ,112633 42 Humite (*) Humite Mg7 (SiO4 )3 F2 1 112653 80 Hurlbutite (*) Danburite CaBe2 (PO4 )2 1820 1820 3 112659 ,112660 ,112673 14 Hydroxylherderite (*) Gadolinite CaBe(PO4 )(OH) 1820 1820 3 112659 ,112660 ,112673 119 Ixiolite (*) Columbite (Ta2/3 Mn2+ 1/3 )O2 1788 1782 1 112661 148 Jarosite (*) Alunite KFe3+ 3 (SO4 )2 (OH)6 1837 1805 2 112630 ,112682 2228 Keiviite-(Y) (*) Thortveitite Y2 Si2 O7 1 112689 13 Kimuraite-(Y) (*) Tengerite CaY2 (CO3 )4 ·6H2 O 1 112689 10 Laueite (*) Laueite Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·8H2 O 1820 1820 1 112659 70 Laumontite (*) Not in a structural group CaAl2 Si4 O12 ·4H2 O 1837 1805 2 112630 ,112651 1271 Lecontite (*) None (NH4 )Na(SO4 )·2H2 O 1 112682 6 Lizardite (*) Serpentine Clay Mg3 Si2 O5 (OH)4 1788 1782 1 112661 359 Lokkaite-(Y) (*) Tengerite CaY4 (CO3 )7 ·9H2 O 1 112689 10 Ludwigite (*) Ludwigite Mg2 Fe3+ O2 (BO3 ) 2 112645 ,112650 134 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 1837 1782 19 112630 ,112633 ,112636 ,112637 ,112638 ,112639 ,112640 ,112641 ,112642 ,112643 ,112645 ,112647 ,112648 ,112650 ,112653 ,112659 ,112661 ,112677 ,112689 14899 Manganite (*) Rutile Mn3+ O(OH) 1837 1805 1 112630 770 Margarite (*) Mica Clay CaAl2 Si2 Al2 O10 (OH)2 1797 1793 1 112666 168 Mascagnite (*) Arcanite (NH4 )2 (SO4 ) 1 112682 61 Meionite (*) Scapolite Ca4 Al6 Si6 O24 (CO3 ) 1788 1782 1 112661 176 Melanterite (*) Melanterite Fe(SO4 )·7H2 O 1 112682 915 Messelite (*) Fairfieldite Ca2 Fe2+ (PO4 )2 ·2H2 O 1820 1820 1 112659 43 Metavivianite (*) Symplesite Fe2+ Fe3+ 2 (PO4 )2 (OH)2 ·6H2 O 1820 1820 1 112659 26 Microcline (*) Feldspar K(AlSi3 O8 ) 1837 1782 14 112625 ,112630 ,112633 ,112635 ,112642 ,112653 ,112655 ,112659 ,112661 ,112662 ,112663 ,112666 ,112667 ,112689 4924 Milarite (*) Milarite KCa2 (Be2 AlSi12 )O30 ·H2 O 1820 1782 5 112630 ,112633 ,112661 ,112666 ,112689 156 Molybdenite (*) Molybdenite MoS2 1837 1805 6 112630 ,112635 ,112650 ,112655 ,112667 ,112689 5800 Monazite-(Ce) (*) Monazite Ce(PO4 ) 1 112653 945 Montebrasite (*) None LiAl(PO4 )(OH) 1820 1820 1 112659 200 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 1837 1782 14 112625 ,112629 ,112630 ,112631 ,112653 ,112655 ,112659 ,112660 ,112661 ,112662 ,112663 ,112664 ,112666 ,112689 17380 Natrojarosite (*) Alunite NaFe3+ 3 (SO4 )2 (OH)6 1 112682 254 Orthoclase (*) Feldspar K(AlSi3 O8 ) 1837 1805 2 112630 ,112689 2349 Palygorskite (*) Palygorskite Clay (Mg,Al)2 Si4 O10 (OH)·4H2 O 1788 1782 1 112661 306 Petalite (*) Not in a structural group LiAlSi4 O10 1837 1805 2 112630 ,112633 124 Phenakite (*) Phenakite Be2 (SiO4 ) 1788 1782 2 112661 ,112662 326 Phlogopite (*) Mica Clay KMg3 (AlSi3 O10 )(OH)2 1837 1782 2 112633 ,112661 2273 Phosphophyllite (*) Phosphophyllite Zn2 Fe2+ (PO4 )2 ·4H2 O 1820 1820 1 112659 29 Pollucite (*) Analcime Cs(Si2 Al)O6 ·nH2 O 1837 1805 3 112630 ,112631 ,112633 140 Prehnite (*) Prehnite Ca2 Al(Si3 Al)O10 (OH)2 1788 1782 4 112623 ,112661 ,112689 ,112690 1898 Pyrite (*) Pyrite FeS2 1837 1782 13 112623 ,112630 ,112633 ,112635 ,112643 ,112653 ,112654 ,112659 ,112660 ,112661 ,112662 ,112682 ,112689 39462 Pyrophyllite (*) Clay Pyrophyllite Al2 Si4 O10 (OH)2 1820 1820 1 112659 771 Pyrosmalite-(Fe) (*) Pyrosmalite Clay Fe2+ 8 Si6 O15 (OH)10 1837 1805 2 112630 38 Pyrrhotite (*) Nickeline Fe7 S8 1837 1782 7 112630 ,112643 ,112650 ,112651 ,112661 ,112685 ,112689 9056 Quartz (*) Quartz SiO2 1837 1782 17 112623 ,112630 ,112631 ,112633 ,112635 ,112643 ,112651 ,112653 ,112654 ,112659 ,112661 ,112662 ,112663 ,112666 ,112667 ,112676 ,112689 61156 Rhodochrosite (*) Calcite Mn(CO3 ) 1837 1805 1 112630 1711 Rhomboclase (*) Not in a structural group (H5 O2 )Fe3+ (SO4 )2 ·2H2 O 1 112682 53 Rockbridgeite (*) Rockbridgeite (Fe2+ 0.5 Fe3+ 0.5 )2 Fe3+ 3 (PO4 )3 (OH)5 1820 1820 1 112659 206 Rossmanite (*) Tourmaline (Al2 Li)Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH)1837 1805 2 112631 ,112633 37 Rutile (*) Rutile TiO2 1820 1820 1 112659 5614 Samarskite-(Y) (*) Columbite YFe3+ Nb2 O8 1 112655 353 Sarcopside (*) None Fe2+ 3 (PO4 )2 1820 1820 4 112625 ,112629 ,112659 ,112660 58 Sborgite (*) None NaB5 O6 (OH)4 ·3H2 O 1 112682 6 Scheelite (*) Scheelite Ca(WO4 ) 1837 1782 5 112630 ,112654 ,112661 ,112666 ,112689 4894 Schorl (*) Tourmaline NaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 1837 1782 9 112625 ,112629 ,112630 ,112633 ,112659 ,112660 ,112661 ,112666 ,112673 2705 Scorodite (*) None Fe3+ (AsO4 )·2H2 O 1788 1782 1 112661 1153 Scorzalite (*) Lazulite Fe2+ Al2 (PO4 )2 (OH)2 1820 1820 2 112659 ,112673 60 Silver (*) Copper Ag 1837 1805 2 112630 ,112633 5186 Sphalerite (*) Sphalerite ZnS 1837 1782 7 112630 ,112633 ,112635 ,112650 ,112659 ,112661 ,112685 21482 Spinel (*) Spinel MgAl2 O4 1820 1782 3 112650 ,112659 ,112661 1934 Spodumene (*) Pyroxene LiAlSi2 O6 1837 1805 2 112630 ,112633 688 Starkeyite (*) Starkeyite Mg(SO4 )·4H2 O 1 112682 79 Stokesite (*) None CaSnSi3 O9 ·2H2 O 1837 1805 1 112630 21 Strunzite (*) Strunzite Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·6H2 O 1820 1820 1 112659 98 Sulphur (*) Sulphur S 1 112682 2045 Synchysite-(Ce) (*) None CaCe(CO3 )2 F 1788 1782 2 112661 ,112662 232 Szaibélyite (*) None MgBO2 (OH) 1 112645 87 Talc (*) Clay Talc Mg3 Si4 O10 (OH)2 2 112635 ,112653 3337 Tantalite-(Mn) (*) Columbite Mn2+ Ta2 O6 1837 1805 2 112630 ,112631 211 Tanteuxenite-(Y) (*) Columbite Y(TaTi)O6 1 112689 16 Tapiolite-(Fe) (*) Tapiolite Fe2+ Ta2 O6 1 112673 88 Tengerite-(Y) (*) Tengerite Y2 (CO3 )3 ·2-3H2 O 1 112689 24 Tennantite-(Fe) (*) Tetrahedrite Cu6 (Cu4 Fe2 )As4 S13 1837 1805 1 112630 1803 Thortveitite (*) Thortveitite Sc2 Si2 O7 1 112689 54 Titanite (*) Titanite CaTi(SiO4 )O 1837 1782 3 112630 ,112661 ,112679 4899 Topaz (*) Topaz Al2 SiO4 F2 1837 1782 7 112630 ,112661 ,112662 ,112663 ,112664 ,112666 ,112673 1476 Tremolite (*) Amphibole Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2 1837 1782 6 112630 ,112635 ,112647 ,112648 ,112653 ,112661 2562 Triphylite (*) Olivine LiFe2+ (PO4 ) 1837 1805 7 112625 ,112626 ,112629 ,112630 ,112659 ,112660 ,112673 313 Triplite (*) Triplite Mn2+ 2 (PO4 )F 1820 1782 3 112659 ,112661 ,112673 233 Uraninite (*) Fluorite UO2 1788 1782 2 112661 ,112689 2718 Väyrynenite (*) None BeMn2+ (PO4 )(OH) 1820 1820 2 112659 ,112673 15 Vesuvianite (*) Vesuvianite (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10 1788 1782 2 112656 ,112661 1395 Vivianite (*) Vivianite Fe2+ 3 (PO4 )2 ·8H2 O 1 112673 636 Wagnerite (*) Wagnerite Mg2 (PO4 )F 1 112660 61 Wickmanite (*) Perovskite Mn2+ Sn4+ (OH)6 1837 1805 1 112630 24 Wolfeite (*) Wagnerite Fe2+ 2 (PO4 )(OH) 1820 1820 5 112625 ,112629 ,112659 ,112660 ,112673 43 Wollastonite (*) Wollastonite CaSiO3 1788 1782 1 112661 1247 Xenotime-(Y) (*) Zircon Y(PO4 ) 1788 1782 3 112653 ,112661 ,112689 939 Yttrotantalite-(Y) (*) Columbite (Y,U,Fe2+ )(Ta,Nb)(O,OH)4 6 112652 ,112653 ,112655 ,112687 ,112689 ,112691 51 Zircon (*) Zircon Zr(SiO4 ) 1837 1782 11 112625 ,112630 ,112633 ,112653 ,112659 ,112660 ,112661 ,112662 ,112666 ,112689 ,112691 5251 Zoisite (*) Epidote Ca2 Al3 [Si2 O7 ][SiO4 ]O(OH) 1837 1782 2 112630 ,112661 1025 Zwieselite (*) Triplite Fe2+ 2 (PO4 )F 1820 1820 2 112625 ,112659 47
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 Edit Be-00019 1820 1820 1820 high Chiavennite, Genthelvite, Milarite Be 3194 Utö Mines, Utö, Haninge, Stockholm County, Sweden Romer and Smeds (1994) 10.1016/0301-9268(94)90008-6 PR67_141 Edit Kristen002520 1837 1805 1821±16 tantalo-niobates 3194 Utö Mines, Utö, Haninge, Stockholm County, Sweden Utö and Norö Tkachev (2011) 10, 1144/SP350,2 GSLSP350_7 Edit Kristen002521 1819 1813 1816±3 tantalo-niobates 3194 Utö Mines, Utö, Haninge, Stockholm County, Sweden Utö and Norö Tkachev (2011) 10, 1144/SP350,2 GSLSP350_7 Edit Be-00029 1820 1820 1820 high Hurlbutite, Vayrynenite Be 9480 Norrö Mica Quarry, Norrö, Nynäshamn, Stockholm County, Sweden Romer and Smeds (1994) 10.1016/0301-9268(94)90008-6 PR67_141 Edit Alexandra-0317 1788 1782 1785 ±3 U-Pb Age of pegmatite сolumbite STV-20A, STV-20B 9603 Stora Vika, Nynäshamn, Stockholm County, Sweden Stora Vika Romer and Smeds (1997) 10.1016/S0301-9268(96)00050-2 PR82_85 Edit Bradley_2012_155 1788 1782 1785±3 U/Pb columbite, tantalite 9603 Stora Vika, Nynäshamn, Stockholm County, Sweden Stora Vika McCauley and Bradley (2014) 10.3749/canmin.52.2.183 CM52_183 Edit Bradley_2012_112 1797 1793 1795±2 U/Pb columbite, tantalite 12107 Gruvdalen Mine (Skeppsdal), Österåker, Stockholm County, Sweden Gruvdalen McCauley and Bradley (2014) 10.3749/canmin.52.2.183 CM52_183
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