Campaign-style titanite U-Pb dating by ICP - Earth Science ...

More documents

Recommendations

Info

673674675676677678679680681682683684685686687688689690691692693694When combined with uncertainties in the isotopic ratios of the primary RM and the Udecay constants, the date of a homogeneous unknown has an uncertainty of 2% due tosecular variations in the behavior of the laser, the laser-stream transmission, or theICPMS). Appendix Table 2 shows the isochron dates determined from all isotopic ratiosof four different secondary RMs; Figure A2 shows two of these datasets graphically,focusing on RM Y1710C5, a titanite from Norway. The precision of the dates obtained onthe secondary RMs varies from
696697698699700Appendix Table A1. Bulk compositions of modeled samples (determined by XRF atWashington State University).8907B6 E9805K9 P5626H2 P5626H3 P6805A2 P6808A2 P6808D2 P6817A2SiO 2 74.8 60.7 66 73.1 59.5 70.5 71.9 63.4TiO 2 0.49 0.65 0.96 0.21 1 0.82 0.35 1.2Al 2 O 3 13.2 18.1 15.7 15.4 20.5 12.8 14.9 14.6FeO 2.4 5.9 4.5 1.3 6.7 5 2.8 7.6MnO 0.3 0.12 0.05 0.01 0.23 0.12 0.08 0.15MgO 0.3 0.4 1.4 0.6 3.2 1.4 0.8 2.2CaO 3.9 3.4 2.6 2.9 2.5 3.4 3.8 4Na 2 O 3.6 4.7 3.1 4.3 2.4 3.5 4.2 2.6K 2 O 0.9 5.6 5.3 2 3.8 1.5 1.1 3.8H 2 O 0.37 0.8 0.45 0.45 1.8 70.5 0.67 1Appendix Table A2. Perple_X Activity Models UsedAbbreviation Mineral Solution ModelBio(TCC) biotite Tajcmanová et al. [2009]F fluid Connolly and Trommsdorff[1991]feldspar feldspar Fuhrman and Lindsley [1988]GlTrTsPg Na-Ca amphibole Wei and Powell [2003] andWhite et al. [2003]Gt(WPH) garnet White et al. [2000]Ilm(WPH) ilmenite White et al. [2000]Omph(GHP) clinopyroxene Green et al. [2007]Pa paragonite Chatterjee et al. [1975]Pheng(HP) K-white mica “parameters from Thermocalc”San K-feldspar Thompson and Hovis [1979]39
Page 1 and 2: Chemical Geology 341 (2013) 84-101C
Page 4 and 5: K.J. Spencer et al. / Chemical Geol
Page 8 and 9: Table 1 (continued)K.J. Spencer et
Page 20 and 21: 57657757857958058158258358458558658
Page 22 and 23: 62662762862963063163263363463563663
Page 26 and 27: Table 3a. Zr in titanite measuremen
Page 28 and 29: 173 374 2 818 15A0716A1_gr. 1 0 16
Page 30 and 31: 263 85 8 736 15A0718D_gr3 0 80 9 73
Page 32 and 33: 320 340 2 812 15360 332 2 811 15A07
Page 34 and 35: 23 98 7 743 1546 109 7 749 1569 105
Page 36 and 37: A0722G5_gr1 0 254 3 795 15163 266 3
Page 38 and 39: 61 197 4 781 15122 164 5 771 15183
Page 40 and 41: 198 342 2 812 15232 369 2 817 15264
Page 42 and 43: 26 350 2 814 1539 356 2 815 1552 33
Page 44 and 45: 272 391 2 820 15311 391 2 820 15350
Page 46 and 47: 227 168 4 772 15340 164 5 771 15453
Page 48 and 49: 598 60 12 719 15G9708Q4_gr. 3 0 75
Page 50 and 51: 482 80 9 733 15563 84 8 736 15643 5
Page 52 and 53: 642 12 59 645 201155 26 27 679 15P5
Page 54 and 55: 62 126 6 756 1582 142 5 763 15P5710
Page 56 and 57: 288 132 6 759 15360 172 4 773 15432
Page 58 and 59: 422 213 4 785 15475 129 6 758 15R98
Page 60 and 61: Table 4 appendix. Ontario-2 titanit
Page 62 and 63: 701702703704Appendix Table A5: Sett
Page 64 and 65: 8829A28830A1115 2.2 82 34 11.82 0.5
Page 66 and 67: 8912C3A0714L115 0.9 5 42 4.32 0.18
Page 68 and 69: A0715M2A0715R114 36.5 310 277 7.18
Page 70 and 71: A0717M34 5.9 201 68 14.39 0.16 0.13
Page 72 and 73: A0718D5 4.7 771 115 15.01 0.34 0.08
Page 74 and 75:
A0720B1A0720J27 10.0 108 88 13.90 0
Page 76 and 77:
A0721E2A0721E47 7.9 1223 79 15.55 0
Page 78 and 79:
A0722B1A0722D110 7.5 791 28 15.20 0
Page 80 and 81:
A0722G5A0722H12 1.6 272 88 14.78 0.
Page 82 and 83:
A0724H4 6.0 317 222 14.01 0.17 0.10
Page 84 and 85:
A0726D1A0727C119 18.9 301 639 10.18
Page 86 and 87:
A0727N1A0801M23 2.6 1233 70 15.24 0
Page 88 and 89:
E9805KE9806B22 22.4 9 463 10.92 0.1
Page 90 and 91:
E9810C1E9814B222 3.8 25 45 5.16 0.1
Page 92 and 93:
G9702E1G9702FG9704G17 4.3 9 41 4.86
Page 94 and 95:
G9705YG9706N127 1.6 204 47 14.27 0.
Page 96 and 97:
G9707N1G9707R25 2.2 41 40 12.78 0.2
Page 98 and 99:
20 5.0 82 44 8.53 0.14 0.4336 0.009
Page 100 and 101:
K1725CK1727C125 2.1 7 50 2.75 0.17
Page 102 and 103:
K1729A1K1729F527 5.2 397 51 14.97 0
Page 104 and 105:
K1730G1K1730H120 1.3 278 21 15.01 0
Page 106 and 107:
K1802HK1802J129 7.8 110 54 11.39 0.
Page 108 and 109:
K7717KK7718I18 4.0 707 84 15.68 0.3
Page 110 and 111:
M8714G4 2.0 511 65 15.24 0.35 0.089
Page 112 and 113:
P5626H2P5626N16 6.8 523 42 13.65 0.
Page 114 and 115:
P5628E5P5628U4 4.3 83 76 13.89 0.23
Page 116 and 117:
P5630G2P5710A514 3.3 13 54 3.15 0.1
Page 118 and 119:
P6806B1P6806F1P6806G26 36.0 1662 68
Page 120 and 121:
P6807DP6809B18 2.4 3 42 1.08 0.07 0
Page 122 and 123:
P6815F2P6815G122 3.3 15 49 3.73 0.0
Page 124 and 125:
P6821A1P6824F1P6826I135 7.3 311 127
Page 126 and 127:
R9825E1R9828B211 11.2 216 48 9.43 0
Page 128 and 129:
R1617B19 1.8 61 49 11.07 0.21 0.312
Page 130 and 131:
Y0820C2Y0829J2Y1525A51 8.8 12 45 3.
Page 132 and 133:
25 17.8 24 50 1.25 0.02 0.8159 0.01
Page 134 and 135:
Paton, C., Hellstrom, J.C., Paul, B
Page 136 and 137:
0.170.15207 Pb206 Pbellipses are 2s
Page 138:
Figure 4a. Tera-Wasserburg diagrams
Page 141 and 142:
A0717J1A0718C10.200.18Intercept = 0
Page 143 and 144:
0.8A0721E40.28A0722B10.6Intercept =
Page 145 and 146:
0.5A0724HIntercept = 0.930 ± 0.013
Page 147 and 148:
1.0E9803K10.8E9806B20.80.6Intercept
Page 149 and 150:
1.1G9702E10.17G9705R10.9Intercept =
Page 151 and 152:
G9709K11.0J5810D0.24Intercept = 0.9
Page 153 and 154:
K1730A1K1730H11.00.80.60.5Intercept
Page 155 and 156:
M8710A1M8714G0.6Intercept = 0.912
Page 157 and 158:
1.0P5628E51.0P5630A30.8Intercept =
Page 159 and 160:
1.0P6814B1.10.9P6807C2Intercept = 0
Page 161 and 162:
R9828B20.80.6Intercept = 0.896 ± 0
show all

Campaign-style titanite U-Pb dating by ICP - Earth Science ...

Create successful ePaper yourself

Delete template?

Save as template?