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 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2 3 32106 ,32111 ,32122 3419 Albite (*) Feldspar Na(AlSi3 O8 ) 9 32103 ,32104 ,32105 ,32106 ,32107 ,32108 ,32116 ,32118 ,32120 8803 Allanite-(Y) (*) Allanite Epidote CaY(Al2 Fe2+ )[Si2 O7 ][SiO4 ]O(OH) 1 32105 28 Analcime (*) Analcime Na(AlSi2 O6 )·H2 O 4 32104 ,32110 ,32116 ,32118 1627 Anthophyllite (*) Amphibole Mg2 Mg5 Si8 O22 (OH)2 1 32106 718 Aragonite (*) Aragonite Ca(CO3 ) 1 32122 3250 Böhmite (*) Lepidocrocite AlO(OH) 1 32110 195 Brucite (*) Brucite Mg(OH)2 2 32106 ,32122 462 Brugnatellite (*) Hydrotalcite Mg6 Fe3+ (CO3 )(OH)13 ·4H2 O 2 32106 ,32122 32 Calcite (*) Calcite Ca(CO3 ) 1060 1010 14 32104 ,32105 ,32106 ,32108 ,32109 ,32110 ,32111 ,32112 ,32114 ,32115 ,32118 ,32119 ,32120 ,32122 27770 Cancrinite (*) Cancrinite (Na,Ca, )8 (Al6 Si6 )O24 (CO3 ,SO4 )2 ·2H2 O 1060 1010 10 32103 ,32104 ,32105 ,32107 ,32108 ,32110 ,32112 ,32118 ,32119 ,32122 232 Chondrodite (*) Humite Mg5 (SiO4 )2 F2 1 32122 285 Chrysotile (*) Serpentine Clay Mg3 Si2 O5 (OH)4 1 32122 951 Clinohumite (*) Humite Mg9 (SiO4 )4 F2 1060 1010 2 32106 ,32112 236 Cordierite (*) Beryl Mg2 Al4 Si5 O18 1060 1010 1 32112 1008 Corundum (*) Corundum Al2 O3 4 32107 ,32118 ,32119 ,32121 1797 Cowlesite (*) None Ca(Al2 Si3 )O10 ·5-6H2 O 1 32104 84 Datolite (*) Gadolinite CaB(SiO4 )(OH) 1 32104 498 Dawsonite (*) None NaAl(CO3 )(OH)2 1 32110 90 Diopside (*) Pyroxene CaMgSi2 O6 1060 1010 6 32106 ,32109 ,32111 ,32112 ,32120 ,32122 4135 Dravite (*) Tourmaline NaMg3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 1 32111 648 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 1 32106 8173 Epistilbite (*) Mordenite Ca3 [Si18 Al6 O48 ]·16H2 O 1 32104 138 Fluorapatite (*) Apatite Ca5 (PO4 )3 F 4 32104 ,32105 ,32106 ,32119 2740 Forsterite (*) Olivine Mg2 (SiO4 ) 1060 1010 1 32112 1188 Galena (*) Rocksalt PbS 3 32105 ,32108 ,32121 24243 Garronite-Ca (*) Gismondine Ca3 (Al6 Si10 O32 )·14H2 O 1 32104 66 Gismondine (*) Gismondine Ca2 (Si4 Al4 )O16 ·8H2 O 1 32104 128 Goethite (*) Diaspore FeO(OH) 1060 1010 2 32106 ,32114 7437 Graphite (*) None C 1060 1010 4 32106 ,32112 ,32119 ,32122 2812 Grossular (*) Garnet Ca3 Al2 (SiO4 )3 1 32122 1544 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 1 32106 6890 Harmotome (*) Harmotome Ba2 (Si12 Al4 )O32 ·12H2 O 1 32104 290 Hastingsite (*) Amphibole NaCa2 (Fe2+ 4 Fe3+ )(Si6 Al2 )O22 (OH)2 1060 1010 0 209 Hematite (*) Corundum Fe2 O3 1060 1010 3 32106 ,32110 ,32112 14640 Hydromagnesite (*) None Mg5 (CO3 )4 (OH)2 ·4H2 O 1060 1010 2 32110 ,32112 341 Jarosite (*) Alunite KFe3+ 3 (SO4 )2 (OH)6 1060 1010 1 32114 2228 Laumontite (*) Not in a structural group CaAl2 Si4 O12 ·4H2 O 1 32104 1271 Ludwigite (*) Ludwigite Mg2 Fe3+ O2 (BO3 ) 1 32122 134 Magnesio-hornblende (*) Amphibole Ca2 (Mg4 Al)(Si7 Al)O22 (OH)2 1 32106 238 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 1060 1010 9 32103 ,32104 ,32105 ,32106 ,32107 ,32110 ,32114 ,32116 ,32122 14899 Mesolite (*) Natrolite Na2 Ca2 (Si9 Al6 )O30 ·8H2 O 1 32104 425 Microcline (*) Feldspar K(AlSi3 O8 ) 1060 1010 4 32104 ,32105 ,32110 ,32112 4924 Molybdenite (*) Molybdenite MoS2 2 32103 ,32107 5800 Monticellite (*) Olivine CaMg(SiO4 ) 1 32122 153 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 6 32105 ,32106 ,32108 ,32110 ,32121 ,32122 17380 Natrolite (*) Natrolite Na2 (Si3 Al2 )O10 ·2H2 O 3 32104 ,32110 ,32119 1236 Nepheline (*) Tridymite Na3 K(Al4 Si4 O16 ) 10 32103 ,32104 ,32105 ,32107 ,32108 ,32110 ,32116 ,32118 ,32119 ,32122 884 Nordstrandite (*) None Al(OH)3 1 32110 64 Orthoclase (*) Feldspar K(AlSi3 O8 ) 1 32110 2349 Periclase (*) Rocksalt MgO 1 32122 114 Perovskite (*) Perovskite CaTiO3 1060 1010 2 32112 ,32122 495 Phenakite (*) Phenakite Be2 (SiO4 ) 1 32111 326 Phlogopite (*) Mica Clay KMg3 (AlSi3 O10 )(OH)2 1 32109 2273 Prehnite (*) Prehnite Ca2 Al(Si3 Al)O10 (OH)2 1 32104 1898 Pyrite (*) Pyrite FeS2 1060 1010 9 32104 ,32105 ,32110 ,32111 ,32114 ,32116 ,32118 ,32119 ,32121 39462 Pyrrhotite (*) Nickeline Fe7 S8 1060 1010 7 32104 ,32105 ,32106 ,32110 ,32112 ,32116 ,32122 9056 Quartz (*) Quartz SiO2 1060 1010 5 32106 ,32111 ,32115 ,32120 ,32123 61156 Schorl (*) Tourmaline NaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 1 32104 2705 Sodalite (*) Cancrinite-sodalite Sodalite Na4 (Si3 Al3 )O12 Cl 1060 1010 12 32103 ,32104 ,32105 ,32107 ,32108 ,32110 ,32112 ,32116 ,32118 ,32119 ,32121 ,32122 444 Spinel (*) Spinel MgAl2 O4 1060 1010 4 32106 ,32107 ,32112 ,32122 1934 Thorianite (*) Fluorite ThO2 1 32109 236 Thorite (*) Zircon Th(SiO4 ) 1060 1010 2 32109 ,32114 1006 Titanite (*) Titanite CaTi(SiO4 )O 1060 1010 4 32106 ,32112 ,32114 ,32115 4899 Tochilinite (*) Tochilinite 6(Fe0.9 S)·5[(Mg,Fe)(OH)2 ] 1060 1010 3 32106 ,32112 ,32122 56 Tremolite (*) Amphibole Ca2 (Mg5.0-4.5 Fe2+ 0.0-0.5 )Si8 O22 (OH)2 2 32106 ,32122 2562 Uraninite (*) Fluorite UO2 1046 1046 3 32105 ,32109 ,32114 2718 Vesuvianite (*) Vesuvianite (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10 1 32122 1395 Wollastonite (*) Wollastonite CaSiO3 1 32122 1247 Zircon (*) Zircon Zr(SiO4 ) 1060 1010 10 32103 ,32104 ,32105 ,32108 ,32110 ,32114 ,32118 ,32119 ,32121 ,32122 5251
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 Giersdorf_00000937 1046 1046 1046 U-Pb uraninite B-1 Uraninite Uraninite U 530 Town Of Bancroft, Dungannon Township, Hastings Co., Ontario, Canada Bancroft Eikenberg et al. (1993) 10.1016/0016-7037(93)90040-4 GCA57_1053 Pb207/Pb206 Isotope age for Uraninite Sample Edit Giersdorf_00000938 1046 1046 1046 U-Pb formation age high uraninite B-1 Uraninite Uraninite U 530 Town Of Bancroft, Dungannon Township, Hastings Co., Ontario, Canada Bancroft Eikenberg et al. (1993) 10.1016/0016-7037(93)90040-4 GCA57_1053 Age given as the Formation Age of the locality Edit Mo-00004 1060 1010 1060–1010 Re-Os molybdenite Molybdenite Mo 530 Town Of Bancroft, Dungannon Township, Hastings Co., Ontario, Canada Bancroft Easton (1986); Lentz (1996)
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