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(AlSi3 O8 ) 293 0 10 217422 ,217426 ,217427 ,217428 ,217430 ,217431 ,217432 ,217434 ,217435 ,217438 8803 Almandine (*) Garnet Fe2+ 3 Al2 (SiO4 )3 293 260 7 217425 ,217427 ,217430 ,217431 ,217432 ,217434 ,217438 2353 Annite (*) Mica Clay KFe2+ 3 (AlSi3 O10 )(OH)2 293 260 1 217432 356 Arsenopyrite (*) Arsenopyrite FeAsS 4 217425 ,217431 ,217434 ,217438 9052 Augelite (*) None Al2 (PO4 )(OH)3 1 217434 79 Autunite (*) Autunite Ca(UO2 )2 (PO4 )2 ·10-12H2 O 293 260 2 217432 ,217434 1272 Beraunite (*) Beraunite Fe3+ 6 (PO4 )4 O(OH)4 ·6H2 O 293 260 2 217432 ,217434 136 Bertrandite (*) Not in a structural group Be4 Si2 O7 (OH)2 293 0 4 217431 ,217432 ,217434 ,217435 606 Beryl (*) Beryl Be3 Al2 Si6 O18 293 0 7 217427 ,217429 ,217430 ,217431 ,217432 ,217434 ,217435 4286 Calcite (*) Calcite Ca(CO3 ) 1 217434 27770 Cassiterite (*) Rutile SnO2 293 260 2 217431 ,217432 5171 Chalcopyrite (*) Chalcopyrite CuFeS2 1 217431 27198 Chrysoberyl (*) Olivine BeAl2 O4 2 217437 ,217438 321 Columbite-(Fe) (*) Columbite Fe2+ Nb2 O6 267.94 0 4 217427 ,217431 ,217434 ,217435 518 Columbite-(Mn) (*) Columbite Mn2+ Nb2 O6 293 260 2 217431 ,217432 289 Cookeite (*) Chlorite Clay (Al,Li)3 Al2 (Si,Al)4 O10 (OH)8 293 260 3 217431 ,217432 ,217434 181 Crandallite (*) Alunite CaAl3 (PO4 )(PO3 OH)(OH)6 293 260 1 217432 310 Diadochite (*) Amorphous Fe3+ 2 (PO4 )(SO4 )(OH)·6H2 O 1 217434 81 Diopside (*) Pyroxene CaMgSi2 O6 1 217431 4135 Dumortierite (*) Dumortierite AlAl6 BSi3 O18 3 217422 ,217427 ,217428 231 Earlshannonite (*) Arthurite Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·4H2 O 1 217434 12 Elbaite (*) Tourmaline Na(Al1.5 Li1.5 )Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 293 260 3 217431 ,217432 ,217434 520 Eosphorite (*) Childrenite Mn2+ Al(PO4 )(OH)2 ·H2 O 293 260 3 217431 ,217432 ,217434 128 Fairfieldite (*) Fairfieldite Ca2 Mn2+ (PO4 )2 ·2H2 O 293 260 2 217432 ,217434 72 Fluorapatite (*) Apatite Ca5 (PO4 )3 F 293 260 6 217424 ,217427 ,217430 ,217431 ,217432 ,217434 2740 Foitite (*) Tourmaline (Fe2+ 2 Al)Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH)293 260 1 217432 75 Glucine (*) None CaBe4 (PO4 )2 (OH)4 ·0.5H2 O 293 293 1 217432 2 Goethite (*) Diaspore FeO(OH) 293 260 2 217431 ,217432 7437 Goyazite (*) Alunite SrAl3 (PO4 )(PO3 OH)(OH)6 293 260 1 217432 173 Graphite (*) None C 293 260 2 217423 ,217432 2812 Greifensteinite (*) Roscherite Ca2 Be4 Fe2+ 5 (PO4 )6 (OH)4 ·6H2 O 293 293 1 217432 27 Grossular (*) Garnet Ca3 Al2 (SiO4 )3 1 217431 1544 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 1 217434 6890 Halloysite-7Å (*) Clay Kaolinite Al2 Si2 O5 (OH)4 293 260 1 217432 52 Hematite (*) Corundum Fe2 O3 293 260 1 217432 14640 Heterosite (*) Olivine Fe3+ (PO4 ) 293 260 3 217431 ,217432 ,217434 204 Hureaulite (*) Hureaulite Mn2+ 5 (PO3 OH)2 (PO4 )2 ·4H2 O 293 260 2 217432 ,217434 125 Hydroxylapatite (*) Apatite Ca5 (PO4 )3 OH 293 260 2 217432 ,217434 367 Hydroxylherderite (*) Gadolinite CaBe(PO4 )(OH) 1 217434 119 Jahnsite-(CaMnFe) (*) Jahnsite CaMn2+ Fe2+ 2 Fe3+ 2 (PO4 )4 (OH)2 ·8H2 O 1 217434 27 Jahnsite-(CaMnMn) (*) Jahnsite CaMn2+ Mn2+ 2 Fe3+ 2 (PO4 )4 (OH)2 ·8H2 O 293 260 1 217432 18 Kaolinite (*) Clay Kaolinite Al2 Si2 O5 (OH)4 293 260 2 217431 ,217432 5591 Kosnarite (*) None KZr2 (PO4 )3 293 260 1 217432 7 Laueite (*) Laueite Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·8H2 O 293 260 2 217432 ,217434 70 Löllingite (*) Löllingite FeAs2 293 260 3 217431 ,217432 ,217434 762 Ludlamite (*) None Fe2+ 3 (PO4 )2 ·4H2 O 1 217434 66 Malachite (*) Malachite Cu2 (CO3 )(OH)2 1 217431 12537 Mccrillisite (*) None NaCs(Be,Li)Zr2 (PO4 )4 ·1-2H2 O 293 293 1 217432 1 Messelite (*) Fairfieldite Ca2 Fe2+ (PO4 )2 ·2H2 O 1 217434 43 Meta-autunite (*) Meta-autunite Ca(UO2 )2 (PO4 )2 ·6H2 O 293 260 1 217432 388 Metatorbernite (*) None Cu(UO2 )2 (PO4 )2 ·8H2 O 293 260 1 217432 443 Metauranospinite (*) None Ca(UO2 )2 (AsO4 )2 ·8H2 O 1 217431 14 Microcline (*) Feldspar K(AlSi3 O8 ) 293 0 17 217421 ,217422 ,217424 ,217425 ,217426 ,217427 ,217428 ,217429 ,217430 ,217431 ,217432 ,217433 ,217434 ,217435 ,217436 ,217437 ,217438 4924 Mitridatite (*) Arseniosiderite Ca2 Fe3+ 3 O2 (PO4 )3 ·3H2 O 293 260 2 217432 ,217434 129 Monazite-(Ce) (*) Monazite Ce(PO4 ) 293 260 1 217432 945 Montebrasite (*) None LiAl(PO4 )(OH) 293 260 3 217431 ,217432 ,217434 200 Montmorillonite (*) Clay Smectite-vermiculite (Na,Ca)0.3 (Al,Mg)2 Si4 O10 (OH)2 ·nH2 O 293 260 2 217431 ,217432 1508 Moraesite (*) None Be2 (PO4 )(OH)·4H2 O 293 293 1 217432 35 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 267.94 257.94 18 217421 ,217422 ,217423 ,217424 ,217425 ,217426 ,217427 ,217428 ,217429 ,217430 ,217431 ,217432 ,217433 ,217434 ,217435 ,217436 ,217437 ,217438 17380 Opal (*) Amorphous SiO2 ·n H2 O 293 260 2 217432 ,217434 2994 Petalite (*) Not in a structural group LiAlSi4 O10 293 260 2 217431 ,217432 124 Pharmacosiderite (*) Pharmacosiderite KFe3+ 4 (AsO4 )3 (OH)4 ·6-7H2 O 1 217431 428 Phosphophyllite (*) Phosphophyllite Zn2 Fe2+ (PO4 )2 ·4H2 O 1 217434 29 Phosphosiderite (*) Phosphosiderite Fe3+ (PO4 )·2H2 O 293 260 2 217432 ,217434 182 Phosphuranylite (*) Phosphuranylite KCa(H3 O)3 (UO2 )7 (PO4 )4 O4 ·8H2 O 293 260 1 217432 182 Pollucite (*) Analcime Cs(Si2 Al)O6 ·nH2 O 293 260 2 217431 ,217432 140 Pyrite (*) Pyrite FeS2 293 260 4 217423 ,217431 ,217432 ,217434 39462 Pyrrhotite (*) Nickeline Fe7 S8 1 217434 9056 Quartz (*) Quartz SiO2 293 0 18 217421 ,217422 ,217423 ,217424 ,217425 ,217426 ,217427 ,217428 ,217429 ,217430 ,217431 ,217432 ,217433 ,217434 ,217435 ,217436 ,217437 ,217438 61156 Realgar (*) None AsS 1 217434 712 Rhodochrosite (*) Calcite Mn(CO3 ) 293 260 2 217431 ,217432 1711 Rockbridgeite (*) Rockbridgeite (Fe2+ 0.5 Fe3+ 0.5 )2 Fe3+ 3 (PO4 )3 (OH)5 1 217434 206 Rossmanite (*) Tourmaline (Al2 Li)Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH)293 260 1 217432 37 Rutile (*) Rutile TiO2 293 260 1 217432 5614 Schorl (*) Tourmaline NaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 293 0 8 217425 ,217427 ,217430 ,217431 ,217432 ,217434 ,217435 ,217438 2705 Scorodite (*) None Fe3+ (AsO4 )·2H2 O 293 260 2 217432 ,217434 1153 Siderite (*) Calcite Fe(CO3 ) 293 260 3 217431 ,217432 ,217434 6417 Sphalerite (*) Sphalerite ZnS 293 260 3 217431 ,217432 ,217434 21482 Spodumene (*) Pyroxene LiAlSi2 O6 293 260 2 217431 ,217432 688 Stewartite (*) Stewartite Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·8H2 O 293 260 2 217432 ,217434 48 Strunzite (*) Strunzite Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·6H2 O 293 260 2 217432 ,217434 98 Switzerite (*) None Mn2+ 3 (PO4 )2 ·7H2 O 1 217434 21 Torbernite (*) None Cu(UO2 )2 (PO4 )2 ·12H2 O 293 260 1 217432 1059 Triphylite (*) Olivine LiFe2+ (PO4 ) 293 260 3 217431 ,217432 ,217434 313 Uraninite (*) Fluorite UO2 293 260 3 217431 ,217432 ,217434 2718 Vesuvianite (*) Vesuvianite (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10 1 217431 1395 Vivianite (*) Vivianite Fe2+ 3 (PO4 )2 ·8H2 O 1 217434 636 Walentaite (*) Walentaite [Mn(H2 O)6 ][ As3+ 3 Fe3+ 3 (PO4 )2 O7 ] 1 217431 6 Whitmoreite (*) Arthurite Fe2+ Fe3+ 2 (PO4 )2 (OH)2 ·4H2 O 1 217434 36 Xanthoxenite (*) None Ca4 Fe3+ 2 (PO4 )4 (OH)2 ·3H2 O 1 217434 29 Xenotime-(Y) (*) Zircon Y(PO4 ) 293 260 1 217432 939 Zircon (*) Zircon Zr(SiO4 ) 293 260 4 217426 ,217431 ,217432 ,217434 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 Be-00026 293 293 293 high Yes Gainesite Be 5940 Nevel Quarry (Twin Tunnels; United Feldspar Quarry), Newry, Oxford Co., Maine, USA Wise and Brown (2010) 10.3190/jgeosci.061 JG55_3 Edit Alexandra-0187 264 260 264–260 Ar-Ar Age of pegmatite muscovite 11Dw304a, 11Dw305a Muscovite 3784 Mount Mica Quarry (Mount Mica Mine), Paris, Oxford Co., Maine, USA Mount Mica Bradley et al. (2016) 10.3749/canmin.1600035 CM54_945 Edit Be-00022 293 293 293 high Mccrillisite Be 3784 Mount Mica Quarry (Mount Mica Mine), Paris, Oxford Co., Maine, USA Wise and Brown (2010) 10.3190/jgeosci.061 JG55_3 Edit Grew_Li_2019_0068 262 262 262 Mccrillisite 3784 Mount Mica Quarry (Mount Mica Mine), Paris, Oxford Co., Maine, USA Mount Mica quarry, South Paris, Oxford County, Maine, U.S.A. Bradley et al. (2016) 10.3749/canmin.1600035 CM54_945 Edit USGS-Rb-Sr-00964 5 0 0±5 Rb-Sr initial age disturbed by later metamorphism biotite 3805 Slattery Quarry, Paris, Oxford Co., Maine, USA USGS-Rb-Sr USGS-Rb-Sr Edit USGS-Rb-Sr-00965 267.94 257.94 262.94±5 Rb-Sr age of intrusion muscovite Muscovite 3805 Slattery Quarry, Paris, Oxford Co., Maine, USA USGS-Rb-Sr USGS-Rb-Sr
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