Proposed Title 1: - Queen's University
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Proposed Title 1: - Queen's University

Proposed Title 1: - Queen's University Proposed Title 1: - Queen's University

geol.queensu.ca
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APPENDIX G Isotopic data and apparent ages for various generations of uraninite from the South Alligator River area Corrected ratios Apparent ages ( ±1σ, Ma)** Sample Deposit 206 Pb/ 204 Pb 207 Pb/ 204 Pb 207 Pb/ 206 Pb ±2σ 206 Pb/ 238 U ±2σ 207 Pb/ 235 U ±2σ R‡ 207 Pb/ 206 Pb ± 206 Pb/ 238 U ± 207 Pb/ 235 U ± Disc‡ c29-217h Coronation Hill 6342 430 0.0678 0.001 0.0931 0.002 0.8695 0.023 0.92 862 15 574 14 635 13 26 c29-217d Coronation Hill 5944 399 0.0673 0.001 0.0932 0.006 0.8633 0.050 0.93 846 33 574 37 632 27 25 c29-217t Coronation Hill 7864 522 0.0665 0.001 0.0937 0.004 0.8598 0.039 0.92 823 29 578 26 630 21 23 c29-217m Coronation Hill 7218 487 0.0674 0.000 0.0942 0.004 0.8759 0.036 0.95 852 11 580 22 639 19 25 c29-217p Coronation Hill 4090 287 0.0701 0.001 0.0950 0.003 0.9185 0.025 0.85 931 28 585 16 662 13 29 c29-217za Coronation Hill 6129 408 0.0671 0.001 0.0954 0.008 0.8805 0.057 0.95 840 43 587 45 641 31 24 c29-217s Coronation Hill 3752 270 0.0722 0.002 0.0955 0.005 0.9487 0.030 0.87 990 49 588 28 677 16 32 C29-217b Coronation Hill 3122 219 0.0703 0.001 0.0967 0.004 0.9367 0.030 0.93 936 23 595 22 671 16 28 c29-217e Coronation Hill 6699 451 0.0675 0.001 0.0986 0.005 0.9178 0.052 0.80 854 42 606 32 661 27 23 c29-217f Coronation Hill 6466 438 0.0678 0.001 0.1009 0.003 0.9440 0.034 0.92 863 21 620 18 675 18 22 c29-217q Coronation Hill 7470 528 0.0707 0.001 0.1016 0.004 0.9900 0.045 0.92 948 17 624 26 699 23 26 c29-217u Coronation Hill 10649 710 0.0668 0.000 0.1026 0.004 0.9441 0.032 0.94 830 14 629 23 675 17 19 c29-217r Coronation Hill 3590 264 0.0735 0.001 0.1048 0.004 1.0621 0.040 0.93 1028 18 642 24 735 20 29 c29-217n Coronation Hill 4666 340 0.0729 0.000 0.1107 0.003 1.1129 0.027 0.93 1011 13 677 17 760 13 25 c29-217z Coronation Hill 9177 677 0.0740 0.002 0.1145 0.004 1.1687 0.054 0.83 1042 49 699 23 786 25 25 c29-217w Coronation Hill 5453 412 0.0758 0.001 0.1147 0.005 1.1984 0.055 0.90 1089 31 700 28 800 25 27 c29-217x Coronation Hill 3742 292 0.0782 0.001 0.1177 0.002 1.2695 0.034 0.87 1152 24 717 14 832 15 28 C29-214Aa Coronation Hill 16126 1278 0.0796 0.0011 0.0838 0.004 0.9202 0.061 1.00 1188 27 519 26 662 33 56 C29-214Ac Coronation Hill 34598 2819 0.0814 0.0012 0.1312 0.001 1.4713 0.021 0.97 1230 28 795 6 919 9 35 C29-214Ae Coronation Hill 22206 1803 0.0811 0.0006 0.0652 0.006 0.7297 0.067 1.00 1223 15 407 34 556 39 67 C29-214Af Coronation Hill 4306 294 0.0683 0.0005 0.0180 0.001 0.1690 0.010 0.99 877 14 115 6 159 8 87 C29-214Ag Coronation Hill 17758 1444 0.0805 0.0030 0.1046 0.005 1.1602 0.067 0.76 1209 74 641 32 782 31 47 C29-214Ah Coronation Hill 31182 2460 0.0798 0.0022 0.1103 0.006 1.2132 0.069 0.88 1193 54 674 35 807 32 43 C29-214Al Coronation Hill 18264 1445 0.0793 0.0005 0.0924 0.007 1.0097 0.078 1.00 1179 13 570 44 709 40 52 C29-214c Coronation Hill 12533 1052 0.0839 0.0002 0.0930 0.002 1.0759 0.019 0.26 1291 4 573 10 742 10 56 C29-214d Coronation Hill 21315 1789 0.0840 0.0002 0.0935 0.006 1.0826 0.066 1.00 1291 4 576 34 745 32 55 C29-214e Coronation Hill 22417 1881 0.0839 0.0002 0.0955 0.003 1.1048 0.029 1.00 1290 4 588 15 756 14 54 C29-214f Coronation Hill 59232 4955 0.0837 0.0001 0.0958 0.003 1.1053 0.037 1.00 1285 3 590 19 756 18 54 C29-214g Coronation Hill 20506 1723 0.0840 0.0002 0.0852 0.003 0.9862 0.030 1.00 1292 4 527 16 697 16 59 265

Corrected ratios Apparent ages ( ±1σ, Ma)** Sample Deposit 206 Pb/ 204 Pb 207 Pb/ 204 Pb 207 Pb/ 206 Pb ±2σ 206 Pb/ 238 U ±2σ 207 Pb/ 235 U ±2σ R‡ 207 Pb/ 206 Pb ± 206 Pb/ 238 U ± 207 Pb/ 235 U ± Disc‡ C29-214h Coronation Hill 11979 1011 0.0845 0.0002 0.0781 0.003 0.9102 0.039 1.00 1303 5 485 20 657 20 63 C29-214j Coronation Hill 15197 1274 0.0838 0.0001 0.0936 0.004 1.0815 0.042 1.00 1288 3 577 22 744 21 55 C29-295k Coronation Hill 891 58 0.0650 0.004 0.0293 0.01 0.2595 0.06 0.89 774 126 186 50 234 45 76 C29-295l Coronation Hill 855 58 0.0679 0.002 0.0299 0.00 0.2798 0.03 0.86 865 65 190 22 250 26 78 C29-295h Coronation Hill 1330 87 0.0655 0.002 0.0299 0.01 0.2714 0.05 0.93 790 69 190 35 244 41 76 C29-295g Coronation Hill 2587 154 0.0593 0.001 0.0397 0.00 0.3251 0.03 0.91 580 31 251 20 286 22 57 C29-295d Coronation Hill 10794 605 0.0571 0.002 0.0392 0.00 0.3094 0.04 0.92 495 87 248 28 274 34 50 C29-295f Coronation Hill 3370 175 0.0516 0.000 0.0381 0.00 0.2715 0.01 0.91 269 20 241 9 244 9 10 C29-295j Coronation Hill 2906 160 0.0553 0.002 0.0430 0.00 0.3278 0.03 0.91 423 64 272 28 288 27 36 C29-295a Coronation Hill 3104 175 0.0560 0.001 0.0455 0.00 0.3515 0.03 0.92 453 40 287 19 306 20 37 C29-295b Coronation Hill 1217 88 0.0733 0.002 0.0426 0.00 0.4298 0.02 0.72 1021 64 269 13 363 16 74 C29-295c Coronation Hill 7629 409 0.0535 0.000 0.0502 0.00 0.3703 0.03 0.94 349 19 316 22 320 20 10 C29-295i Coronation Hill 5676 331 0.0583 0.001 0.0603 0.01 0.4851 0.07 0.94 540 38 377 49 402 50 30 C29-295e Coronation Hill 8181 560 0.0681 0.002 0.1737 0.02 1.6303 0.22 0.92 871 47 1033 136 982 85 18 C29-217Aa Coronation Hill 2840 214 0.0757 0.002 0.1052 0.004 1.1500 0.05 0.84 1088 45 645 25 777 25 41 C29-217Ad Coronation Hill 1972 155 0.0787 0.001 0.0846 0.003 0.9181 0.03 0.89 1165 26 523 18 661 15 55 C29-217Ae Coronation Hill 3082 229 0.0744 0.001 0.0967 0.003 1.0600 0.04 0.90 1053 27 595 18 734 18 43 C29-217An Coronation Hill 5575 489 0.0876 0.001 0.1202 0.005 1.4525 0.08 0.93 1374 27 732 31 911 32 47 C29-217Ap Coronation Hill 15919 1416 0.0889 0.001 0.1366 0.013 1.6767 0.18 0.90 1402 26 826 76 1000 69 41 C29-217Aq Coronation Hill 7776 653 0.0838 0.001 0.1242 0.012 1.4370 0.15 0.95 1289 23 755 67 904 62 41 C29-217Ar Coronation Hill 3736 259 0.0696 0.001 0.0585 0.005 0.5610 0.04 0.91 916 41 366 28 452 29 60 C29-217At Coronation Hill 4486 361 0.0804 0.001 0.0877 0.008 0.9720 0.09 0.95 1206 19 542 45 689 48 55 C29-217Au Coronation Hill 14240 1190 0.0838 0.002 0.1490 0.007 1.7900 0.07 0.85 1288 39 895 37 1042 24 30 C29-217Ac Coronation Hill 2535 193 0.0761 0.001 0.0924 0.003 0.9695 0.03 0.89 1098 26 570 19 688 15 48 C29-217Ab Coronation Hill 5057 349 0.0692 0.002 0.1011 0.006 0.9649 0.05 0.86 905 49 621 32 686 24 31 C29-217Ag Coronation Hill 3781 265 0.0702 0.001 0.0984 0.005 0.9516 0.04 0.93 934 21 605 28 679 21 35 C29-217Ai Coronation Hill 7467 494 0.0661 0.001 0.0954 0.004 0.8691 0.03 0.93 809 16 587 21 635 16 27 C29-217Aj Coronation Hill 5061 343 0.0678 0.001 0.0942 0.003 0.8807 0.03 0.91 862 21 581 19 641 14 33 C29-217Ak Coronation Hill 5124 350 0.0683 0.001 0.0947 0.004 0.8915 0.03 0.94 879 21 583 26 647 18 34 C29-217Al Coronation Hill 5420 378 0.0698 0.001 0.1059 0.008 1.0196 0.08 0.94 923 16 649 45 714 38 30 C29-217Am Coronation Hill 6716 479 0.0714 0.001 0.1078 0.003 1.0617 0.04 0.86 970 37 660 19 735 21 32 C29-217Ao Coronation Hill 10150 802 0.0789 0.001 0.1244 0.009 1.3530 0.11 0.94 1169 33 756 52 869 47 35 C29-217As Coronation Hill 3916 294 0.0751 0.001 0.1077 0.004 1.1158 0.04 0.93 1072 14 659 21 761 18 39 C29-217Av Coronation Hill 7613 531 0.0698 0.001 0.0991 0.004 0.9535 0.04 0.93 922 22 609 22 680 21 34 C29-217Ax Coronation Hill 6273 441 0.0704 0.001 0.1018 0.005 0.9873 0.05 0.92 939 23 625 29 697 23 33 266

Corrected ratios<br />

Apparent ages ( ±1σ, Ma)**<br />

Sample<br />

Deposit<br />

206 Pb/ 204 Pb<br />

207 Pb/ 204 Pb<br />

207 Pb/ 206 Pb ±2σ<br />

206 Pb/ 238 U ±2σ<br />

207 Pb/ 235 U ±2σ R‡<br />

207 Pb/ 206 Pb ±<br />

206 Pb/ 238 U ±<br />

207 Pb/ 235 U ± Disc‡<br />

C29-214h Coronation Hill 11979 1011 0.0845 0.0002 0.0781 0.003 0.9102 0.039 1.00 1303 5 485 20 657 20 63<br />

C29-214j Coronation Hill 15197 1274 0.0838 0.0001 0.0936 0.004 1.0815 0.042 1.00 1288 3 577 22 744 21 55<br />

C29-295k Coronation Hill 891 58 0.0650 0.004 0.0293 0.01 0.2595 0.06 0.89 774 126 186 50 234 45 76<br />

C29-295l Coronation Hill 855 58 0.0679 0.002 0.0299 0.00 0.2798 0.03 0.86 865 65 190 22 250 26 78<br />

C29-295h Coronation Hill 1330 87 0.0655 0.002 0.0299 0.01 0.2714 0.05 0.93 790 69 190 35 244 41 76<br />

C29-295g Coronation Hill 2587 154 0.0593 0.001 0.0397 0.00 0.3251 0.03 0.91 580 31 251 20 286 22 57<br />

C29-295d Coronation Hill 10794 605 0.0571 0.002 0.0392 0.00 0.3094 0.04 0.92 495 87 248 28 274 34 50<br />

C29-295f Coronation Hill 3370 175 0.0516 0.000 0.0381 0.00 0.2715 0.01 0.91 269 20 241 9 244 9 10<br />

C29-295j Coronation Hill 2906 160 0.0553 0.002 0.0430 0.00 0.3278 0.03 0.91 423 64 272 28 288 27 36<br />

C29-295a Coronation Hill 3104 175 0.0560 0.001 0.0455 0.00 0.3515 0.03 0.92 453 40 287 19 306 20 37<br />

C29-295b Coronation Hill 1217 88 0.0733 0.002 0.0426 0.00 0.4298 0.02 0.72 1021 64 269 13 363 16 74<br />

C29-295c Coronation Hill 7629 409 0.0535 0.000 0.0502 0.00 0.3703 0.03 0.94 349 19 316 22 320 20 10<br />

C29-295i Coronation Hill 5676 331 0.0583 0.001 0.0603 0.01 0.4851 0.07 0.94 540 38 377 49 402 50 30<br />

C29-295e Coronation Hill 8181 560 0.0681 0.002 0.1737 0.02 1.6303 0.22 0.92 871 47 1033 136 982 85 18<br />

C29-217Aa Coronation Hill 2840 214 0.0757 0.002 0.1052 0.004 1.1500 0.05 0.84 1088 45 645 25 777 25 41<br />

C29-217Ad Coronation Hill 1972 155 0.0787 0.001 0.0846 0.003 0.9181 0.03 0.89 1165 26 523 18 661 15 55<br />

C29-217Ae Coronation Hill 3082 229 0.0744 0.001 0.0967 0.003 1.0600 0.04 0.90 1053 27 595 18 734 18 43<br />

C29-217An Coronation Hill 5575 489 0.0876 0.001 0.1202 0.005 1.4525 0.08 0.93 1374 27 732 31 911 32 47<br />

C29-217Ap Coronation Hill 15919 1416 0.0889 0.001 0.1366 0.013 1.6767 0.18 0.90 1402 26 826 76 1000 69 41<br />

C29-217Aq Coronation Hill 7776 653 0.0838 0.001 0.1242 0.012 1.4370 0.15 0.95 1289 23 755 67 904 62 41<br />

C29-217Ar Coronation Hill 3736 259 0.0696 0.001 0.0585 0.005 0.5610 0.04 0.91 916 41 366 28 452 29 60<br />

C29-217At Coronation Hill 4486 361 0.0804 0.001 0.0877 0.008 0.9720 0.09 0.95 1206 19 542 45 689 48 55<br />

C29-217Au Coronation Hill 14240 1190 0.0838 0.002 0.1490 0.007 1.7900 0.07 0.85 1288 39 895 37 1042 24 30<br />

C29-217Ac Coronation Hill 2535 193 0.0761 0.001 0.0924 0.003 0.9695 0.03 0.89 1098 26 570 19 688 15 48<br />

C29-217Ab Coronation Hill 5057 349 0.0692 0.002 0.1011 0.006 0.9649 0.05 0.86 905 49 621 32 686 24 31<br />

C29-217Ag Coronation Hill 3781 265 0.0702 0.001 0.0984 0.005 0.9516 0.04 0.93 934 21 605 28 679 21 35<br />

C29-217Ai Coronation Hill 7467 494 0.0661 0.001 0.0954 0.004 0.8691 0.03 0.93 809 16 587 21 635 16 27<br />

C29-217Aj Coronation Hill 5061 343 0.0678 0.001 0.0942 0.003 0.8807 0.03 0.91 862 21 581 19 641 14 33<br />

C29-217Ak Coronation Hill 5124 350 0.0683 0.001 0.0947 0.004 0.8915 0.03 0.94 879 21 583 26 647 18 34<br />

C29-217Al Coronation Hill 5420 378 0.0698 0.001 0.1059 0.008 1.0196 0.08 0.94 923 16 649 45 714 38 30<br />

C29-217Am Coronation Hill 6716 479 0.0714 0.001 0.1078 0.003 1.0617 0.04 0.86 970 37 660 19 735 21 32<br />

C29-217Ao Coronation Hill 10150 802 0.0789 0.001 0.1244 0.009 1.3530 0.11 0.94 1169 33 756 52 869 47 35<br />

C29-217As Coronation Hill 3916 294 0.0751 0.001 0.1077 0.004 1.1158 0.04 0.93 1072 14 659 21 761 18 39<br />

C29-217Av Coronation Hill 7613 531 0.0698 0.001 0.0991 0.004 0.9535 0.04 0.93 922 22 609 22 680 21 34<br />

C29-217Ax Coronation Hill 6273 441 0.0704 0.001 0.1018 0.005 0.9873 0.05 0.92 939 23 625 29 697 23 33<br />

266

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