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 1 242757 2793 Actinolite (*) Amphibole Ca2 (Mg4.5-2.5 Fe2+ 0.5-2.5 )Si8 O22 (OH)2 1 242796 3419 Albite (*) Feldspar Na(AlSi3 O8 ) 342 265.9 13 242740 ,242743 ,242744 ,242755 ,242771 ,242772 ,242776 ,242778 ,242782 ,242784 ,242786 ,242789 ,242792 8803 Alluaudite (*) Alluaudite NaMnFe3+ 2 (PO4 )3 1 242772 94 Almandine (*) Garnet Fe2+ 3 Al2 (SiO4 )3 342 265.9 12 242739 ,242740 ,242741 ,242743 ,242744 ,242755 ,242769 ,242776 ,242778 ,242779 ,242780 ,242786 2353 Amesite (*) Clay Serpentine Mg2 Al(AlSiO5 )(OH)4 1 242774 74 Anatase (*) Not in a structural group TiO2 1 242740 2162 Andalusite (*) Andalusite Al2 SiO5 470 470 6 242736 ,242745 ,242757 ,242760 ,242767 ,242796 1310 Andradite (*) Garnet Ca3 Fe3+ 2 (SiO4 )3 1 242789 1534 Arrojadite-(KFe) (*) Arrojadite (KNa)Fe2+ (CaNa2 )Fe2+ 13 Al(PO4 )11 (PO3 OH)(OH)2 2 242751 ,242771 50 Arsenopyrite (*) Arsenopyrite FeAsS 2 242771 ,242782 9052 Augelite (*) None Al2 (PO4 )(OH)3 2 242771 ,242772 79 Autunite (*) Autunite Ca(UO2 )2 (PO4 )2 ·10-12H2 O 342 265.9 4 242735 ,242740 ,242776 ,242784 1272 Bertrandite (*) Not in a structural group Be4 Si2 O7 (OH)2 342 265.9 1 242776 606 Beryl (*) Beryl Be3 Al2 Si6 O18 342 265.9 19 242735 ,242740 ,242771 ,242772 ,242776 ,242779 ,242780 ,242781 ,242782 ,242784 ,242785 ,242786 ,242787 ,242788 ,242789 ,242790 ,242792 ,242793 ,242797 4286 Beryllonite (*) Beryllonite NaBe(PO4 ) 1 242771 47 Brazilianite (*) Not in a structural group NaAl3 (PO4 )2 (OH)4 1 242771 59 Calcite (*) Calcite Ca(CO3 ) 2 242759 ,242771 27770 Chalcopyrite (*) Chalcopyrite CuFeS2 470 470 8 242747 ,242757 ,242762 ,242771 ,242774 ,242777 ,242796 ,242799 27198 Chromite (*) Spinel Fe2+ Cr2 O4 1 242738 3902 Columbite-(Fe) (*) Columbite Fe2+ Nb2 O6 1 242735 518 Cordierite (*) Beryl Mg2 Al4 Si5 O18 2 242796 ,242799 1008 Crandallite (*) Alunite CaAl3 (PO4 )(PO3 OH)(OH)6 1 242771 310 Dolomite (*) None CaMg(CO3 )2 1 242774 9895 Eosphorite (*) Childrenite Mn2+ Al(PO4 )(OH)2 ·H2 O 2 242771 ,242772 128 Epidote (*) Epidote Clinozoisite Ca2 (Al2 Fe3+ )[Si2 O7 ][SiO4 ]O(OH) 1 242791 8173 Qingheiite-(Fe2+ ) (*) None Na2 Fe2+ MgAl(PO4 )3 1 242771 2 Fluorapatite (*) Apatite Ca5 (PO4 )3 F 342 265.9 6 242740 ,242755 ,242771 ,242776 ,242790 ,242792 2740 Fluorite (*) Fluorite CaF2 1 242771 9617 Goethite (*) Diaspore FeO(OH) 470 265.9 2 242760 ,242776 7437 Gold (*) Copper Au 1 242778 30554 Gormanite (*) Souzalite Fe2+ 3 Al4 (PO4 )4 (OH)6 ·2H2 O 1 242772 23 Graftonite (*) Graftonite Fe2+ Fe2+ 2 (PO4 )2 4 242740 ,242755 ,242771 ,242782 107 Graphite (*) None C 6 242757 ,242758 ,242764 ,242773 ,242790 ,242802 2812 Hematite (*) Corundum Fe2 O3 342 265.9 2 242776 ,242783 14640 Heterosite (*) Olivine Fe3+ (PO4 ) 1 242771 204 Hurlbutite (*) Danburite CaBe2 (PO4 )2 1 242771 14 Hydroxylapatite (*) Apatite Ca5 (PO4 )3 OH 1 242771 367 Ilmenite (*) Corundum Fe2+ Ti4+ O3 3 242764 ,242796 ,242798 5433 Kyanite (*) Not in a structural group Al2 OSiO4 2 242742 ,242745 1507 Löllingite (*) Löllingite FeAs2 1 242784 762 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 6 242771 ,242772 ,242790 ,242792 ,242796 ,242798 14899 Meta-autunite (*) Meta-autunite Ca(UO2 )2 (PO4 )2 ·6H2 O 342 265.9 3 242740 ,242755 ,242776 388 Metaschoepite (*) Schoepite (UO2 )8 O2 (OH)12 ·10H2 O 342 265.9 1 242776 17 Microcline (*) Feldspar K(AlSi3 O8 ) 342 265.9 14 242739 ,242740 ,242741 ,242743 ,242744 ,242755 ,242764 ,242769 ,242771 ,242772 ,242776 ,242782 ,242789 ,242791 4924 Molybdenite (*) Molybdenite MoS2 1 242795 5800 Montebrasite (*) None LiAl(PO4 )(OH) 1 242771 200 Moraesite (*) None Be2 (PO4 )(OH)·4H2 O 1 242771 35 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 470 265.9 36 242735 ,242736 ,242737 ,242738 ,242739 ,242740 ,242741 ,242742 ,242743 ,242744 ,242745 ,242747 ,242752 ,242755 ,242757 ,242760 ,242764 ,242766 ,242767 ,242769 ,242771 ,242772 ,242776 ,242778 ,242779 ,242780 ,242782 ,242784 ,242785 ,242786 ,242788 ,242789 ,242791 ,242792 ,242793 ,242797 17380 Opal (*) Amorphous SiO2 ·n H2 O 342 265.9 2 242776 ,242779 2994 Paraschoepite (*) None UO3 ·(2-x)H2 O 342 265.9 1 242776 4 Pyrite (*) Pyrite FeS2 470 265.9 13 242744 ,242747 ,242748 ,242754 ,242757 ,242758 ,242762 ,242771 ,242772 ,242776 ,242796 ,242798 ,242799 39462 Pyrrhotite (*) Nickeline Fe7 S8 470 470 3 242762 ,242771 ,242778 9056 Quartz (*) Quartz SiO2 470 265.9 46 242735 ,242736 ,242737 ,242738 ,242739 ,242740 ,242741 ,242742 ,242743 ,242744 ,242745 ,242747 ,242748 ,242752 ,242753 ,242755 ,242757 ,242760 ,242761 ,242762 ,242764 ,242766 ,242767 ,242769 ,242771 ,242772 ,242776 ,242778 ,242779 ,242780 ,242781 ,242782 ,242783 ,242784 ,242785 ,242786 ,242788 ,242790 ,242791 ,242792 ,242793 ,242794 ,242795 ,242797 ,242798 ,242801 61156 Rockbridgeite (*) Rockbridgeite (Fe2+ 0.5 Fe3+ 0.5 )2 Fe3+ 3 (PO4 )3 (OH)5 1 242771 206 Rutherfordine (*) None (UO2 )(CO3 ) 342 265.9 1 242776 58 Rutile (*) Rutile TiO2 1 242757 5614 Sarcopside (*) None Fe2+ 3 (PO4 )2 1 242771 58 Schoepite (*) Schoepite (UO2 )4 O(OH)6 (H2 O)6 342 265.9 1 242776 94 Schorl (*) Tourmaline NaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 (OH) 342 265.9 15 242740 ,242744 ,242755 ,242771 ,242772 ,242776 ,242778 ,242779 ,242780 ,242781 ,242784 ,242785 ,242786 ,242792 ,242793 2705 Scorzalite (*) Lazulite Fe2+ Al2 (PO4 )2 (OH)2 1 242771 60 Siderite (*) Calcite Fe(CO3 ) 2 242771 ,242772 6417 Sillimanite (*) Not in a structural group Al2 SiO5 3 242764 ,242771 ,242772 1516 Sphalerite (*) Sphalerite ZnS 470 470 1 242762 21482 Staurolite (*) Staurolite Fe2+ 2 Al9 Si4 O23 (OH) 11 242737 ,242743 ,242746 ,242749 ,242752 ,242753 ,242754 ,242755 ,242766 ,242771 ,242796 978 Strunzite (*) Strunzite Mn2+ Fe3+ 2 (PO4 )2 (OH)2 ·6H2 O 2 242771 ,242772 98 Triphylite (*) Olivine LiFe2+ (PO4 ) 6 242740 ,242771 ,242772 ,242782 ,242784 ,242787 313 Uraninite (*) Fluorite UO2 342 265.9 4 242771 ,242772 ,242776 ,242784 2718 Uranophane-α (*) None Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 342 265.9 1 242776 890 Vandendriesscheite (*) None Pb1.6 (UO2 )10 O6 (OH)11 ·11H2 O 342 265.9 1 242776 52 Vesuvianite (*) Vesuvianite (Ca,Na)19 (Al,Mg,Fe)13 (SiO4 )10 (Si2 O7 )4 (OH,F,O)10 1 242789 1395 Vivianite (*) Vivianite Fe2+ 3 (PO4 )2 ·8H2 O 2 242755 ,242771 636 Wardite (*) Wardite NaAl3 (PO4 )2 (OH)4 ·2H2 O 1 242771 58 Zircon (*) Zircon Zr(SiO4 ) 342 340 3 242771 ,242772 ,242776 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 vms-01065 470 470 Ordovician S 9212 Croydon Mountain Mine, Croydon, Sullivan Co., New Hampshire, USA Croydon Moiser et al. (2009) USGSOFR2009_1034 Edit Alexandra-0189 341.82 340.66 341.24 ± 0.58 U-Pb Age of pegmatite zircon 10Dw500a Zircon 6000 Beryl Mountain Quarry (Beryl Mountain Pegmatites; Beryl Hill; William's Ledge), South Acworth, Sullivan Co., New Hampshire, USA Beryl Mountain pegmatite Bradley et al. (2016) 10.3749/canmin.1600035 CM54_945 Edit Alexandra-0190 272.1 265.9 269 ± 3.1 Ar-Ar Age of pegmatite muscovite 10ADw500a Muscovite 6000 Beryl Mountain Quarry (Beryl Mountain Pegmatites; Beryl Hill; William's Ledge), South Acworth, Sullivan Co., New Hampshire, USA Beryl Mountain pegmatite Bradley et al. (2016) 10.3749/canmin.1600035 CM54_945 Edit Alexandra-0410 338 318 328 ± 10 K-Ar Age of pegmatite muscovite Muscovite 6000 Beryl Mountain Quarry (Beryl Mountain Pegmatites; Beryl Hill; William's Ledge), South Acworth, Sullivan Co., New Hampshire, USA Beryl Mountain Zartman et al. (1970) 10.1130/0016-7606(1970)81[3359:APDOKR]2.0.CO;2 GSAB81_3359 Edit Bradley_2012_068 342 340 341±1 U/Pb zircon Zircon 6000 Beryl Mountain Quarry (Beryl Mountain Pegmatites; Beryl Hill; William's Ledge), South Acworth, Sullivan Co., New Hampshire, USA Beryl Mountain McCauley and Bradley (2014) 10.3749/canmin.52.2.183 CM52_183
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