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 Abernathyite (*) Natroautunite K(UO2 )(AsO4 )·3H2 O 117 82 2 272668 ,272713 16 Aluminocopiapite (*) Copiapite (Al,Mg)Fe3+ 4 (SO4 )6 (OH,O)2 ·20H2 O 117 13 1 272668 50 Alunite (*) None KAl3 (SO4 )2 (OH)6 13 13 1 272668 966 Alunogen (*) Not in a structural group Al2 (SO4 )3 (H2 O)12 ·5H2 O 117 13 3 272553 ,272554 ,272716 272 Analcime (*) Analcime Na(AlSi2 O6 )·H2 O 117 82 1 272663 1627 Andersonite (*) Not in a structural group Na2 Ca(UO2 )(CO3 )3 ·5-6H2 O 117 82 1 272574 47 Anglesite (*) Baryte Pb(SO4 ) 180 180 1 272567 2734 Anhydrite (*) Not in a structural group Ca(SO4 ) 117 82 2 272661 ,272789 1588 Ankerite (*) None Ca(Fe2+ ,Mg)(CO3 )2 117 13 1 272668 3092 Anorthite (*) Feldspar Ca(Al2 Si2 O8 ) 117 82 1 272663 1036 Anorthominasragrite (*) Minasragrite V4+ O(SO4 )·5H2 O 117 13 2 272724 ,272733 1 Antlerite (*) Not in a structural group Cu2+ 3 (SO4 )(OH)4 117 82 1 272574 246 Arsenic (*) Arsenic As 117 13 5 272668 ,272708 ,272713 ,272714 ,272758 379 Arsenopyrite (*) Arsenopyrite FeAsS 117 13 1 272668 9052 Augite (*) Pyroxene (Ca,Mg,Fe)2 Si2 O6 117 82 1 272663 2060 Autunite (*) Autunite Ca(UO2 )2 (PO4 )2 ·10-12H2 O 117 82 7 272552 ,272574 ,272585 ,272625 ,272659 ,272764 ,272785 1272 Azurite (*) Not in a structural group Cu3 (CO3 )2 (OH)2 180 13 4 272567 ,272574 ,272628 ,272668 5509 Baryte (*) Baryte Ba(SO4 ) 117 82 2 272606 ,272785 11547 Bassetite (*) None Fe2+ (UO2 )2 (PO4 )2 (H2 O)10 117 82 1 272713 51 Bayleyite (*) None Mg2 (UO2 )(CO3 )3 ·18H2 O 117 82 1 272574 38 Becquerelite (*) None Ca(UO2 )6 O4 (OH)6 ·8H2 O 117 82 4 272574 ,272602 ,272628 ,272629 92 Bieberite (*) Melanterite Co(SO4 )·7H2 O 117 82 1 272629 50 Billietite (*) None Ba(UO2 )6 O4 (OH)6 ·8H2 O 117 82 1 272574 38 Bobjonesite (*) None V4+ O(SO4 )·3H2 O 117 13 2 272724 ,272733 3 Boltwoodite (*) None (K,Na)(UO2 )(SiO3 OH)·1.5H2 O 117 82 4 272574 ,272575 ,272606 ,272629 67 Bornite (*) None Cu5 FeS4 117 82 1 272632 5516 Brochantite (*) Brochantite Cu4 (SO4 )(OH)6 117 13 2 272574 ,272668 1633 Butlerite (*) Not in a structural group Fe3+ (SO4 )(OH)·2H2 O 117 82 2 272553 ,272554 26 Calcite (*) Calcite Ca(CO3 ) 117 13 4 272574 ,272629 ,272668 ,272760 27770 Carnallite (*) Carnallite KMgCl3 ·6H2 O 117 82 1 272661 132 Carnotite (*) None K2 (UO2 )2 (VO4 )2 ·3H2 O 117 82 41 272546 ,272574 ,272575 ,272588 ,272659 ,272667 ,272668 ,272685 ,272689 ,272690 ,272691 ,272694 ,272699 ,272702 ,272703 ,272707 ,272708 ,272711 ,272712 ,272716 ,272718 ,272720 ,272724 ,272725 ,272726 ,272727 ,272728 ,272729 ,272737 ,272747 ,272749 ,272754 ,272756 ,272757 ,272758 ,272759 ,272760 ,272761 ,272764 ,272778 ,272786 1184 Celadonite (*) Mica Clay KMgFe3+ Si4 O10 (OH)2 117 13 1 272668 309 Celestine (*) Baryte Sr(SO4 ) 117 82 2 272546 ,272785 1252 Cerussite (*) Aragonite Pb(CO3 ) 180 180 1 272567 4979 Chalcanthite (*) Chalcanthite Cu(SO4 )·5H2 O 117 82 4 272553 ,272554 ,272574 ,272581 925 Chalcocite (*) None Cu2 S 117 82 10 272546 ,272553 ,272554 ,272561 ,272574 ,272600 ,272604 ,272625 ,272628 ,272655 5707 Chalcopyrite (*) Chalcopyrite CuFeS2 117 82 3 272553 ,272566 ,272628 27198 Chrysocolla (*) Allophane (Cu2-x Alx )H2-x Si2 O5 (OH)4 ·nH2 O 117 82 1 272614 3531 Cobaltomenite (*) Cobaltomenite Co(Se4+ O3 )·2H2 O 117 13 1 272716 11 Coffinite (*) Zircon U(SiO4 )·nH2 O 117 82 8 272577 ,272629 ,272631 ,272660 ,272668 ,272699 ,272761 ,272776 566 Compreignacite (*) Compreignacite K2 (UO2 )6 O4 (OH)6 ·7H2 O 117 82 1 272574 27 Copiapite (*) Copiapite Fe2+ Fe3+ 4 (SO4 )6 (OH)2 ·20H2 O 117 13 3 272553 ,272554 ,272668 382 Coquimbite (*) Coquimbite AlFe3 (SO4 )6 (H2 O)12 ·6H2 O 117 82 2 272553 ,272554 136 Corvusite (*) Straczekite (Na,Ca,K)1-x (V5+ ,V4+ ,Fe2+ )8 O20 ·4H2 O 117 13 8 272659 ,272668 ,272724 ,272726 ,272727 ,272728 ,272739 ,272764 79 Covellite (*) Covellite CuS 117 82 2 272553 ,272574 4165 Cyanotrichite (*) Cyanotrichite Cu4 Al2 (SO4 )(OH)12 (H2 O)2 117 82 1 272574 179 Diadochite (*) Amorphous Fe3+ 2 (PO4 )(SO4 )(OH)·6H2 O 117 82 2 272553 ,272554 81 Dolomite (*) None CaMg(CO3 )2 117 13 2 272661 ,272668 9895 Erythrite (*) Vivianite Co3 (AsO4 )2 ·8H2 O 117 13 3 272581 ,272668 ,272737 814 Felsőbányaite (*) None Al4 (SO4 )(OH)10 ·4H2 O 117 13 2 272668 ,272713 66 Fernandinite (*) Straczekite (Ca,Na,K)0.9 (V5+ ,V4+ ,Fe2+ ,Ti)8 O20 ·4H2 O 117 13 1 272668 7 Ferricopiapite (*) Copiapite Fe3+ 0.67 Fe3+ 4 (SO4 )6 (OH)2 ·20H2 O 117 80 3 272554 ,272668 ,272724 41 Ferroselite (*) Marcasite FeSe2 117 13 2 272668 ,272682 51 Fibroferrite (*) Not in a structural group Fe3+ (SO4 )(OH)·5H2 O 117 82 1 272553 107 Fourmarierite (*) Schoepite Pb1-x O3-2x (UO2 )4 (OH)4+2x ·4H2 O 117 82 3 272574 ,272628 ,272629 61 Freboldite (*) Nickeline CoSe 117 13 1 272668 4 Galena (*) Rocksalt PbS 180 13 10 272566 ,272567 ,272574 ,272577 ,272628 ,272629 ,272668 ,272694 ,272702 ,272725 24243 Goethite (*) Diaspore FeO(OH) 117 13 3 272575 ,272668 ,272713 7437 Goldichite (*) None KFe3+ (SO4 )2 ·4H2 O 117 82 2 272553 ,272554 12 Gypsum (*) Gypsum Ca(SO4 )·2H2 O 117 13 28 272540 ,272543 ,272558 ,272559 ,272574 ,272575 ,272581 ,272588 ,272589 ,272602 ,272604 ,272608 ,272616 ,272626 ,272629 ,272636 ,272645 ,272660 ,272668 ,272687 ,272710 ,272713 ,272757 ,272762 ,272769 ,272772 ,272773 ,272789 6890 Halite (*) Rocksalt NaCl 117 82 1 272661 1398 Halotrichite (*) Halotrichite Fe2+ Al2 (SO4 )4 ·22H2 O 117 13 3 272553 ,272554 ,272668 409 Heinrichite (*) None Ba(UO2 )2 (AsO4 )2 ·10H2 O 117 82 1 272713 18 Hematite (*) Corundum Fe2 O3 180 13 7 272567 ,272574 ,272575 ,272668 ,272713 ,272747 ,272757 14640 Hewettite (*) Hewettite CaV5+ 6 O16 ·9H2 O 117 13 5 272588 ,272659 ,272668 ,272739 ,272764 58 Hummerite (*) Pascoite KMgV5+ 5 O14 ·8H2 O 117 13 1 272668 21 Ilmenite (*) Corundum Fe2+ Ti4+ O3 117 82 1 272663 5433 Jarosite (*) Alunite KFe3+ 3 (SO4 )2 (OH)6 180 13 11 272543 ,272567 ,272589 ,272614 ,272616 ,272668 ,272710 ,272713 ,272716 ,272762 ,272773 2228 Johannite (*) Johannite Cu(UO2 )2 (SO4 )2 (OH)2 ·8H2 O 117 82 2 272574 ,272602 69 Kaolinite (*) Clay Kaolinite Al2 Si2 O5 (OH)4 117 13 2 272574 ,272668 5591 Kornelite (*) Not in a structural group Fe3+ 2 (SO4 )3 ·7H2 O (?) 117 13 3 272668 ,272724 ,272733 21 Krausite (*) None KFe3+ (SO4 )2 ·H2 O 117 82 1 272554 21 Löllingite (*) Löllingite FeAs2 117 13 1 272668 762 Magnesiozippeite (*) Zippeite Mg(UO2 )2 (SO4 )O2 ·3.5H2 O 0 0 1 272629 14 Magnesite (*) Calcite Mg(CO3 ) 117 13 1 272668 1487 Magnetite (*) Spinel Fe2+ Fe3+ 2 O4 117 82 1 272663 14899 Malachite (*) Malachite Cu2 (CO3 )(OH)2 180 13 32 272541 ,272543 ,272554 ,272557 ,272561 ,272562 ,272566 ,272567 ,272570 ,272574 ,272575 ,272581 ,272602 ,272604 ,272608 ,272610 ,272614 ,272625 ,272628 ,272645 ,272653 ,272657 ,272668 ,272686 ,272707 ,272714 ,272716 ,272746 ,272747 ,272754 ,272767 ,272782 12537 Marcasite (*) Marcasite FeS2 117 13 5 272577 ,272606 ,272619 ,272628 ,272668 5674 Marécottite (*) None Mg3 O6 (UO2 )8 (SO4 )4 (OH)2 ·28H2 O 0 0 1 272629 10 Melanterite (*) Melanterite Fe(SO4 )·7H2 O 117 82 2 272553 ,272554 915 Meta-aluminite (*) Aluminite Al2 (SO4 )(OH)4 ·5H2 O 117 13 2 272668 ,272713 6 Meta-autunite (*) Meta-autunite Ca(UO2 )2 (PO4 )2 ·6H2 O 117 82 2 272574 ,272785 388 Metahewettite (*) Hewettite CaV5+ 6 O16 ·3H2 O 117 13 4 272659 ,272668 ,272754 ,272764 56 Metatorbernite (*) None Cu(UO2 )2 (PO4 )2 ·8H2 O 117 82 6 272574 ,272577 ,272588 ,272659 ,272668 ,272764 443 Metatyuyamunite (*) Fritzscheite Ca(UO2 )2 (VO4 )2 ·3H2 O 117 82 2 272574 ,272668 129 Metazeunerite (*) None Cu(UO2 )2 (AsO4 )2 ·8H2 O 117 82 9 272553 ,272574 ,272602 ,272604 ,272605 ,272606 ,272668 ,272713 ,272754 182 Minasragrite (*) Minasragrite V4+ O(SO4 )·5H2 O 117 80 1 272724 2 Molybdenite (*) Molybdenite MoS2 117 82 1 272628 5800 Montroseite (*) Diaspore (V3+ ,Fe2+ ,V4+ )O(OH) 117 13 4 272668 ,272682 ,272724 ,272739 136 Moolooite (*) Oxalate Cu(C2 O4 )·nH2 O 180 180 0 11 Muscovite (*) Mica Clay KAl2 (Si3 Al)O10 (OH)2 117 13 3 272574 ,272668 ,272711 17380 Natrolite (*) Natrolite Na2 (Si3 Al2 )O10 ·2H2 O 117 82 1 272663 1236 Natrozippeite (*) Zippeite Na5 (UO2 )8 (SO4 )4 O5 (OH)3 ·12H2 O 117 82 2 272574 ,272629 41 Nickeline (*) Nickeline NiAs 117 82 1 272628 633 Opal (*) Amorphous SiO2 ·n H2 O 117 13 1 272668 2994 Orpiment (*) Orpiment As2 S3 117 13 3 272668 ,272708 ,272713 511 Orthominasragrite (*) Minasragrite V4+ O(SO4 )·5H2 O 117 13 2 272724 ,272733 2 Parabutlerite (*) Not in a structural group Fe3+ (SO4 )(OH)·2H2 O 117 82 2 272553 ,272554 23 Paramontroseite (*) Ramsdellite VO2 117 13 1 272739 39 Uranophane-β (*) None Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 117 82 1 272574 144 Pascoite (*) Pascoite Ca3 V5+ 10 O28 ·17H2 O 117 13 2 272668 ,272737 78 Phosphuranylite (*) Phosphuranylite KCa(H3 O)3 (UO2 )7 (PO4 )4 O4 ·8H2 O 117 82 3 272574 ,272585 ,272785 182 Pintadoite (*) None Ca2 V5+ 2 O7 ·9H2 O 117 13 1 272668 11 Pitticite (*) None [Fe,AsO4 ,SO4 ,H2 O] (?) 117 13 1 272713 140 Pyrite (*) Pyrite FeS2 117 13 22 272553 ,272566 ,272574 ,272575 ,272581 ,272589 ,272610 ,272619 ,272625 ,272628 ,272629 ,272632 ,272636 ,272668 ,272694 ,272702 ,272713 ,272724 ,272725 ,272733 ,272736 ,272769 39462 Quartz (*) Quartz SiO2 117 13 7 272575 ,272652 ,272668 ,272699 ,272733 ,272736 ,272755 61156 Rabbittite (*) None Ca3 Mg3 (UO2 )2 (CO3 )6 (OH)4 ·18H2 O 117 82 2 272628 ,272629 6 Rauvite (*) None Ca(UO2 )2 V10 O28 ·16H2 O 117 82 5 272588 ,272659 ,272668 ,272720 ,272764 32 Realgar (*) None AsS 117 13 3 272668 ,272708 ,272713 712 Römerite (*) Römerite Fe2+ Fe3+ 2 (SO4 )4 ·14H2 O 117 82 2 272553 ,272554 115 Roscoelite (*) Mica KV3+ 2 (Si3 Al)O10 (OH)2 117 13 1 272668 253 Rozenite (*) Starkeyite Fe2+ (SO4 )·4H2 O 117 13 3 272668 ,272724 ,272733 293 Rutherfordine (*) None (UO2 )(CO3 ) 117 82 1 272574 58 Schoepite (*) Schoepite (UO2 )4 O(OH)6 (H2 O)6 117 82 2 272574 ,272602 94 Schröckingerite (*) None NaCa3 (UO2 )(SO4 )(CO3 )3 F·10H2 O 117 82 2 272574 ,272668 128 Scorodite (*) None Fe3+ (AsO4 )·2H2 O 117 13 1 272713 1153 Siderite (*) Calcite Fe(CO3 ) 117 13 1 272668 6417 Sideronatrite (*) None Na2 Fe3+ (SO4 )2 (OH)·3H2 O 117 82 1 272551 73 Sphalerite (*) Sphalerite ZnS 117 13 9 272566 ,272575 ,272577 ,272628 ,272668 ,272713 ,272725 ,272733 ,272758 21482 Spherocobaltite (*) None Co(CO3 ) 117 82 1 272629 52 Strelkinite (*) None Na2 (UO2 )2 (VO4 )2 ·6H2 O 117 82 1 272574 8 Sulphur (*) Sulphur S 117 80 5 272553 ,272554 ,272665 ,272668 ,272724 2045 Sylvite (*) Rocksalt KCl 117 82 1 272661 275 Szomolnokite (*) Kieserite Fe(SO4 )·H2 O 117 13 3 272668 ,272724 ,272733 139 Tennantite-(Fe) (*) Tetrahedrite Cu6 (Cu4 Fe2 )As4 S13 117 13 2 272553 ,272668 1803 Tetrahedrite-(Zn) (*) Tetrahedrite Cu6 (Cu4 Zn2 )Sb4 S13 117 13 3 272553 ,272554 ,272668 5317 Torbernite (*) None Cu(UO2 )2 (PO4 )2 ·12H2 O 180 82 6 272567 ,272574 ,272575 ,272577 ,272588 ,272668 1059 Tyuyamunite (*) None Ca(UO2 )2 (VO4 )2 ·5-8H2 O 117 82 8 272574 ,272589 ,272629 ,272659 ,272668 ,272687 ,272764 ,272790 628 Uraninite (*) Fluorite UO2 117 80 45 272540 ,272542 ,272544 ,272546 ,272553 ,272561 ,272562 ,272566 ,272570 ,272574 ,272575 ,272592 ,272600 ,272602 ,272604 ,272606 ,272608 ,272610 ,272614 ,272616 ,272619 ,272628 ,272629 ,272631 ,272632 ,272645 ,272653 ,272655 ,272660 ,272668 ,272687 ,272694 ,272702 ,272710 ,272714 ,272719 ,272725 ,272739 ,272761 ,272762 ,272767 ,272769 ,272772 ,272776 ,272782 2718 Uranophane-α (*) None Ca(UO2 )2 (SiO3 OH)2 ·5H2 O 117 82 6 272541 ,272562 ,272574 ,272653 ,272767 ,272782 890 Uranopilite (*) None (UO2 )6 (SO4 )O2 (OH)6 ·14H2 O 117 82 1 272574 94 Uvanite (*) None (UO2 )2 V5+ 6 O17 ·15H2 O (?) 117 82 5 272588 ,272659 ,272668 ,272720 ,272764 9 Vandendriesscheite (*) None Pb1.6 (UO2 )10 O6 (OH)11 ·11H2 O 117 82 1 272574 52 Volborthite (*) Volborthite Cu3 V2 O7 (OH)2 ·2H2 O 117 82 1 272574 155 Voltaite (*) Voltaite K2 Fe2+ 5 Fe3+ 3 Al(SO4 )12 ·18H2 O 117 82 2 272553 ,272554 111 Wulfenite (*) Scheelite PbMoO4 117 82 1 272574 1655 Yingjiangite (*) Phosphuranylite K2 Ca(UO2 )7 (PO4 )4 (OH)6 ·6H2 O 117 82 1 272574 9 Zeunerite (*) Autunite Cu(UO2 )2 (AsO4 )2 ·12H2 O 117 82 4 272553 ,272574 ,272668 ,272713 185 Zippeite (*) Zippeite K2 [(UO2 )4 (SO4 )2 O2 (OH)2 ](H2 O)4 117 82 9 272553 ,272554 ,272574 ,272575 ,272602 ,272625 ,272628 ,272629 ,272668 175
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 sedcu-00679 180 180 Jurassic Cu 37798 Copper Globe Deposit, San Rafael District (San Rafael Swell), Emery Co., Utah, USA Copper Globe Cox et al. (2003) USGSOFR03_107 Edit GSAB100_1069_tbl1_001 14.8 4.2 9.5±5.3 K-Ar low alunite Alunite 19321 Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA Temple Mountain Morrison and Perry (1988) 10.1130/0016-7606(1988)100<1069:AAFCOA>2.3.CO;2 GSAB100_1069 Edit GSAB100_1069_tbl1_002 15 8 11.5±3.5 K-Ar low alunite Alunite 19321 Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA Temple Mountain Morrison and Perry (1988) 10.1130/0016-7606(1988)100<1069:AAFCOA>2.3.CO;2 GSAB100_1069 Edit GSAB100_1069_tbl1_003 22.1 9.5 15.8±6.3 K-Ar low alunite Alunite 19321 Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA Temple Mountain Morrison and Perry (1988) 10.1130/0016-7606(1988)100<1069:AAFCOA>2.3.CO;2 GSAB100_1069 Edit GSAB100_1069_tbl1_004 24.5 13.3 18.9±5.6 K-Ar low alunite Alunite 19321 Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA Temple Mountain Morrison and Perry (1988) 10.1130/0016-7606(1988)100<1069:AAFCOA>2.3.CO;2 GSAB100_1069 Edit GSAB100_1069_tbl1_text 13 13 ~13 K-Ar age of alunite and ore high alunite Alunite 19321 Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA Temple Mountain Morrison and Perry (1988) 10.1130/0016-7606(1988)100<1069:AAFCOA>2.3.CO;2 GSAB100_1069 author preferred age Edit Giersdorf_00000547 86 82 84±2 238U-206U uraninite K-154 Uraninite Uraninite U 180697 Calyx No. 8, Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA San Rafael Swell Miller et al. (1963) 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 GSAB74_609 Age given for U238-Pb206 analysis Edit Giersdorf_00000548 96 86 91±5 235U-207Pb uraninite K-154 Uraninite Uraninite U 180697 Calyx No. 8, Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA San Rafael Swell Miller et al. (1963) 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 GSAB74_609 Age given for U235-Pb207 analysis Edit Giersdorf_00000549 410 260 335±75 207Pb-206Pb The Pb207-Pb206 age given for these samples is described as being highly erroneous due to the systematic sensitivity of the analytic methods low uraninite K-154 Uraninite Uraninite U 180697 Calyx No. 8, Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA San Rafael Swell Miller et al. (1963) 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 GSAB74_609 Age given for Pb207-Pb206 analysis Edit Giersdorf_00000644 80 80 80 238U-206U Age is applied to the primary U minerals at this locality uraninite SS182 Uraninite Uraninite 37795 North Mesa 1; 2; 5 Mines (Camp Bird No. 13 Claim), North Mesa Mine Group, Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA Camp Bird Miller et al. (1963) 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 GSAB74_609 U238-Pb206 Age given by the USGS for the Chinle Formation found at the Camp Bird area Edit Giersdorf_00000645 90 90 93 235U-207Pb Age is applied to the primary U minerals at this locality uraninite SS182 Uraninite Uraninite 37795 North Mesa 1; 2; 5 Mines (Camp Bird No. 13 Claim), North Mesa Mine Group, Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA Camp Bird Miller et al. (1963) 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 GSAB74_609 U235-Pb207 Age given by the USGS for the Chinle Formation found at the Camp Bird area Edit Giersdorf_00000646 530 530 530 207Pb-206Pb The Pb207-Pb206 age given for these samples is described as being highly erroneous due to the systematic sensitivity of the analytic methods low uraninite SS182 Uraninite Uraninite 37795 North Mesa 1; 2; 5 Mines (Camp Bird No. 13 Claim), North Mesa Mine Group, Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA Camp Bird Miller et al. (1963) 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 GSAB74_609 Pb207-Pb206 Age given by the USGS for the Chinle Formation found at the Camp Bird area Edit Giersdorf_00000550 104 100 102±2 238U-206U uraninite K-155 Uraninite Uraninite U 182883 North Mesa 9 & 10, North Mesa Mine Group, Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA San Rafael Swell Miller et al. (1963) 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 GSAB74_609 Age given for U238-Pb206 analysis Edit Giersdorf_00000551 117 97 107±10 235U-207Pb uraninite K-155 Uraninite Uraninite U 182883 North Mesa 9 & 10, North Mesa Mine Group, Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA San Rafael Swell Miller et al. (1963) 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 GSAB74_609 Age given for U235-Pb207 analysis Edit Giersdorf_00000552 335 185 260±75 207Pb-206Pb The Pb207-Pb206 age given for these samples is described as being highly erroneous due to the systematic sensitivity of the analytic methods low uraninite K-155 Uraninite Uraninite U 182883 North Mesa 9 & 10, North Mesa Mine Group, Temple Mountain, San Rafael District (San Rafael Swell), Emery Co., Utah, USA San Rafael Swell Miller et al. (1963) 10.1130/0016-7606(1963)74[609:IEOTOO]2.0.CO;2 GSAB74_609 Age given for Pb207-Pb206 analysis
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