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APÉNDICES DEL CAPÍTULO 5
Análisis
U
(ppm)
206 Pb/
204 Pb
U/Th
207 Pb*/
235 U
Relaciones Isotópicas Edades Aparentes
±
(%)
206 Pb*/
238 U
±
(%)
error
corr.
1 Sc7-5 67 4794 2.9 17.5811 11.9 0.2565 13.0 0.0327 207.4 10.8 231.8 27.0 486.9 263.2 207.4 10.8
2 Sc7-79 196 18831 2.5 18.6635 4.2 0.2627 4.3 0.0356 225.2 2.3 236.8 9.1 353.5 94.5 225.2 2.3
3 Sc7-88 219 18453 3.4 20.4872 5.5 0.2409 5.8 0.0358 226.7 3.8 219.1 11.4 138.7 130.1 226.7 3.8
4 Sc7-93 390 26343 2.8 19.7110 5.4 0.2544 5.5 0.0364 230.3 1.7 230.1 11.2 228.7 125.1 230.3 1.7
5 Sc7-38 444 34497 1.8 19.6292 3.8 0.2558 4.1 0.0364 230.6 3.2 231.3 8.5 238.3 88.6 230.6 3.2
6 Sc7-34 140 19815 1.7 20.8494 11.5 0.2431 11.7 0.0368 232.7 5.1 221.0 23.3 97.4 273.3 232.7 5.1
7 Sc7-97 322 22452 1.4 20.0019 2.0 0.2537 2.6 0.0368 233.0 3.7 229.5 5.3 194.8 46.9 233.0 3.7
8 Sc7-82 346 24759 2.2 19.6133 2.9 0.2589 3.0 0.0368 233.2 1.5 233.8 6.2 240.2 66.7 233.2 1.5
9 Sc7-75 227 13242 2.2 18.6753 5.0 0.2720 5.1 0.0368 233.2 2.0 244.3 11.1 352.0 114.2 233.2 2.0
10 Sc7-54 416 27414 2.3 19.9803 3.9 0.2558 4.0 0.0371 234.6 1.2 231.3 8.2 197.3 91.2 234.6 1.2
11 Sc7-16 1023 67365 1.5 19.4241 1.3 0.2631 1.8 0.0371 234.6 2.9 237.2 3.8 262.5 29.9 234.6 2.9
12 Sc7-62 218 14649 3.1 19.6033 3.7 0.2618 3.7 0.0372 235.6 1.2 236.1 7.8 241.3 85.0 235.6 1.2
13 Sc7-28 631 55041 1.6 19.6013 5.2 0.2651 5.2 0.0377 238.5 1.5 238.7 11.2 241.6 119.9 238.5 1.5
14 Sc7-8 129 5883 3.6 12.0085 48.7 0.4353 48.8 0.0379 239.9 8.7 366.9 151.5 1275.6 1013.7 239.9 8.7
15 Sc7-21 623 37425 3.7 19.4259 2.2 0.2704 3.7 0.0381 241.0 7.1 243.0 8.0 262.3 49.7 241.0 7.1
16 Sc7-96 515 32433 1.3 19.5687 2.6 0.2716 3.7 0.0386 243.9 6.3 244.0 8.1 245.4 60.0 243.9 6.3
17 Sc7-10 139 30285 2.1 19.4166 8.9 0.2750 9.6 0.0387 244.9 8.5 246.7 21.0 263.4 205.0 244.9 8.5
18 Sc7-6 311 28326 2.3 19.0722 3.8 0.2806 3.9 0.0388 245.5 2.6 251.2 8.7 304.3 85.5 245.5 2.6
19 Sc7-59 63 6564 2.3 17.5226 15.6 0.3064 15.6 0.0389 246.3 2.7 271.4 37.2 494.2 345.4 246.3 2.7
20 Sc7-95 445 38109 1.6 19.9127 2.0 0.2718 2.8 0.0393 248.2 4.7 244.1 6.0 205.2 46.8 248.2 4.7
21 Sc7-40 99 7122 1.4 20.8602 11.9 0.2597 11.9 0.0393 248.4 2.6 234.4 24.9 96.2 281.6 248.4 2.6
22 Sc7-60 568 38454 1.4 19.2577 2.5 0.2820 2.6 0.0394 249.0 2.2 252.2 5.9 282.2 56.8 249.0 2.2
23 Sc7-3 356 35199 12.4 19.0034 2.1 0.2859 6.1 0.0394 249.1 14.1 255.3 13.9 312.6 46.9 249.1 14.1
24 Sc7-19 108 14595 1.9 18.7594 11.6 0.2900 11.7 0.0395 249.4 2.9 258.5 26.7 341.9 264.4 249.4 2.9
25 Sc7-43 148 14604 1.6 19.4581 4.8 0.2803 5.1 0.0396 250.1 3.9 250.9 11.3 258.5 111.2 250.1 3.9
26 Sc7-91 143 9903 1.3 19.0166 6.1 0.2874 6.6 0.0396 250.6 5.8 256.5 14.9 311.0 140.0 250.6 5.8
27 Sc7-12 271 20769 1.5 19.2164 6.0 0.2851 6.0 0.0397 251.2 1.8 254.7 13.5 287.1 136.4 251.2 1.8
28 Sc7-23 163 18543 3.8 20.1165 5.0 0.2724 5.8 0.0397 251.3 7.0 244.6 12.6 181.5 117.5 251.3 7.0
29 Sc7-86 61 6897 2.8 17.7891 13.1 0.3081 13.2 0.0398 251.3 4.1 272.7 31.7 460.8 292.5 251.3 4.1
30 Sc7-42 144 7137 1.6 17.9801 14.7 0.3054 14.7 0.0398 251.8 2.4 270.6 35.0 437.1 328.8 251.8 2.4
31 Sc7-76 120 12834 1.6 16.0928 23.7 0.3417 24.2 0.0399 252.1 11.9 298.5 62.7 678.9 513.7 252.1 11.9
32 Sc7-13 320 23928 3.6 19.3813 3.4 0.2849 4.1 0.0401 253.2 5.4 254.6 9.1 267.5 78.2 253.2 5.4
33 Sc7-73 163 14019 1.9 18.2676 7.0 0.3029 7.0 0.0401 253.6 2.1 268.6 16.6 401.7 156.4 253.6 2.1
34 Sc7-37 672 44136 1.1 19.4860 1.7 0.2845 2.2 0.0402 254.1 3.5 254.2 5.0 255.2 39.9 254.1 3.5
35 Sc7-87 91 6402 1.4 20.6127 11.1 0.2690 11.2 0.0402 254.2 3.5 241.9 24.2 124.4 263.1 254.2 3.5
36 Sc7-7 286 22170 2.1 20.0485 3.4 0.2773 3.7 0.0403 254.8 3.9 248.5 8.3 189.3 79.2 254.8 3.9
37 Sc7-29 102 9801 1.8 19.1796 9.0 0.2913 9.1 0.0405 256.1 2.6 259.6 20.8 291.5 206.0 256.1 2.6
38 Sc7-20 355 41643 1.5 19.3316 7.2 0.2892 7.4 0.0405 256.2 3.7 257.9 16.8 273.4 166.0 256.2 3.7
39 Sc7-35 131 9735 1.6 20.4723 9.2 0.2734 9.2 0.0406 256.5 1.3 245.4 20.1 140.5 216.9 256.5 1.3
40 Sc7-64 616 48267 7.9 19.0809 4.6 0.2937 4.8 0.0406 256.8 2.8 261.5 11.0 303.3 105.6 256.8 2.8
41 Sc7-39 104 9561 1.6 20.5871 9.8 0.2731 9.9 0.0408 257.7 3.1 245.2 21.5 127.3 231.0 257.7 3.1
42 Sc7-33 225 19008 2.9 19.5837 6.7 0.2873 6.9 0.0408 257.9 4.2 256.5 15.6 243.7 154.4 257.9 4.2
43 Sc7-63 129 13308 1.4 19.2955 6.9 0.2919 6.9 0.0409 258.1 2.3 260.1 15.9 277.7 157.8 258.1 2.3
44 Sc7-50 1802 321399 1.6 19.2491 1.4 0.2937 1.6 0.0410 259.0 2.3 261.4 3.7 283.3 31.1 259.0 2.3
45 Sc7-61 944 88875 2.4 18.5285 3.2 0.3060 4.3 0.0411 259.8 7.3 271.1 10.1 369.8 71.0 259.8 7.3
46 Sc7-15 131 14073 2.2 18.8562 9.7 0.3010 9.8 0.0412 260.0 4.1 267.1 23.1 330.2 220.2 260.0 4.1
47 Sc7-100 194 14847 1.8 18.4406 4.6 0.3078 4.6 0.0412 260.1 1.4 272.5 11.1 380.5 103.4 260.1 1.4
48 Sc7-71 168 11001 1.4 19.5776 9.4 0.2903 9.5 0.0412 260.4 4.3 258.8 21.8 244.4 216.8 260.4 4.3
49 Sc7-18 124 11868 2.4 18.8041 7.4 0.3031 7.5 0.0413 261.1 2.7 268.8 17.6 336.5 167.9 261.1 2.7
50 Sc7-41 118 8751 3.1 19.1882 8.5 0.2984 8.5 0.0415 262.3 1.6 265.2 19.8 290.5 193.8 262.3 1.6
51 Sc7-72 367 36735 3.7 20.0235 3.9 0.2871 3.9 0.0417 263.4 1.4 256.3 8.9 192.3 90.9 263.4 1.4
52 Sc7-32 468 39099 1.7 19.6026 2.7 0.2934 2.8 0.0417 263.5 2.1 261.2 6.4 241.4 61.1 263.5 2.1
53 Sc7-94 215 130977 1.8 19.4396 6.9 0.2960 7.0 0.0417 263.6 3.2 263.3 16.1 260.7 157.5 263.6 3.2
54 Sc7-25 817 117186 3.8 19.4368 2.3 0.2962 2.4 0.0418 263.7 2.1 263.4 5.7 261.0 52.7 263.7 2.1
55 Sc7-67 566 50694 2.8 18.6786 3.0 0.3098 4.1 0.0420 265.0 7.1 274.0 9.8 351.6 68.8 265.0 7.1
56 Sc7-90 127 14325 2.0 20.5701 7.9 0.2818 7.9 0.0420 265.4 2.4 252.1 17.7 129.3 185.3 265.4 2.4
57 Sc7-14 87 13635 3.7 18.8604 10.2 0.3073 10.6 0.0420 265.5 7.7 272.1 25.4 329.7 231.9 265.5 7.7
58 Sc7-11 303 33426 4.2 19.7075 2.6 0.2942 2.8 0.0421 265.5 2.5 261.9 6.3 229.1 59.5 265.5 2.5
59 Sc7-17 144 18063 3.6 19.7211 8.2 0.2950 8.2 0.0422 266.4 2.5 262.5 19.0 227.5 188.6 266.4 2.5
60 Sc7-92 224 22476 2.8 19.6934 3.2 0.2964 3.4 0.0423 267.3 2.7 263.6 7.9 230.8 74.7 267.3 2.7
61 Sc7-77 232 17088 3.6 19.2892 4.8 0.3031 5.0 0.0424 267.7 3.8 268.8 11.8 278.5 110.0 267.7 3.8
62 Sc7-84 412 28512 1.3 19.8973 3.3 0.2942 3.4 0.0425 268.0 1.9 261.9 7.8 207.0 76.4 268.0 1.9
63 Sc7-56 253 22155 3.8 19.4103 3.1 0.3017 3.5 0.0425 268.2 4.2 267.8 8.1 264.1 70.7 268.2 4.2
64 Sc7-22 93 10017 3.8 20.0634 7.3 0.2924 7.7 0.0425 268.6 5.9 260.4 17.6 187.6 170.5 268.6 5.9
65 Sc7-69 285 22743 3.5 19.4705 3.1 0.3014 4.1 0.0426 268.7 7.3 267.5 9.7 257.0 70.7 268.7 7.3
66 Sc7-24 77 7905 3.1 16.5051 11.2 0.3556 11.3 0.0426 268.7 4.4 308.9 30.1 624.6 241.5 268.7 4.4
67 Sc7-55 143 11388 2.4 19.7018 7.0 0.2979 7.1 0.0426 268.7 3.7 264.8 16.6 229.8 161.0 268.7 3.7
68 Sc7-2 331 41943 3.7 18.9698 2.5 0.3094 2.7 0.0426 268.7 2.7 273.7 6.4 316.5 56.0 268.7 2.7
69 Sc7-45 402 52485 2.0 18.4496 2.4 0.3182 3.4 0.0426 268.8 6.5 280.5 8.4 379.4 53.8 268.8 6.5
70 Sc7-58 658 52974 3.4 19.6683 4.6 0.2986 4.6 0.0426 268.9 1.9 265.3 10.8 233.8 105.8 268.9 1.9
71 Sc7-44 149 10809 2.3 19.3202 5.1 0.3043 5.1 0.0426 269.1 1.3 269.7 12.0 274.8 115.8 269.1 1.3
72 Sc7-47 325 24870 3.1 18.8676 4.5 0.3123 4.6 0.0427 269.7 1.9 275.9 11.0 328.8 102.3 269.7 1.9
73 Sc7-81 360 24549 2.8 18.8690 4.8 0.3126 4.9 0.0428 270.1 2.6 276.2 11.9 328.7 109.2 270.1 2.6
74 Sc7-80 75 12867 3.6 19.9091 10.3 0.2965 10.4 0.0428 270.2 4.0 263.7 24.3 205.6 240.3 270.2 4.0
75 Sc7-85 209 16302 2.5 19.2760 5.2 0.3072 5.3 0.0430 271.1 1.3 272.0 12.6 280.1 120.0 271.1 1.3
76 Sc7-66 160 12654 4.6 19.0353 11.8 0.3113 11.9 0.0430 271.3 4.1 275.2 28.7 308.7 269.7 271.3 4.1
77 Sc7-68 252 21315 2.9 19.6864 3.6 0.3039 4.2 0.0434 273.8 5.9 269.4 9.9 231.6 82.8 273.8 5.9
78 Sc7-83 212 19893 1.6 19.7319 5.8 0.3035 5.8 0.0434 274.1 1.9 269.1 13.7 226.3 133.0 274.1 1.9
79 Sc7-31 102 6561 2.0 19.0250 11.5 0.3154 11.6 0.0435 274.6 2.3 278.3 28.1 310.0 263.1 274.6 2.3
80 Sc7-52 80 10383 3.4 18.9770 14.4 0.3165 14.4 0.0436 274.9 1.3 279.2 35.3 315.7 329.9 274.9 1.3
81 Sc7-70 146 14790 2.1 19.0670 5.2 0.3156 5.3 0.0437 275.4 2.8 278.6 12.8 304.9 117.6 275.4 2.8
82 Sc7-9 52 2901 3.3 15.0568 17.6 0.4029 17.6 0.0440 277.5 3.1 343.7 51.4 819.5 369.8 277.5 3.1
83 Sc7-36 603 59172 5.1 19.5392 3.3 0.3111 3.5 0.0441 278.1 3.0 275.1 8.4 248.9 76.5 278.1 3.0
84 Sc7-98 119 17730 2.7 19.7382 5.8 0.3087 5.9 0.0442 278.7 2.3 273.2 14.1 225.5 135.1 278.7 2.3
85 Sc7-30 205 2475 4.8 11.3013 45.8 0.5445 46.5 0.0446 281.5 21.8 441.4 167.8 1393.0 930.1 281.5 21.8
86 Sc7-48 226 25665 3.8 19.4312 4.4 0.3206 4.5 0.0452 284.9 2.2 282.4 11.1 261.6 101.8 284.9 2.2
87 Sc7-1a 76 7437 4.0 20.6261 9.3 0.3034 9.6 0.0454 286.1 7.0 269.0 22.8 122.8 219.5 286.1 7.0
88 Sc7-70r 68 4503 4.9 19.3577 24.1 0.3257 24.3 0.0457 288.2 7.9 286.2 60.6 270.3 559.6 288.2 7.9
89 Sc7-46 259 18759 2.9 18.4963 4.2 0.3427 4.4 0.0460 289.7 3.7 299.2 11.3 373.7 93.9 289.7 3.7
90 Sc7-51 207 16815 5.3 19.3253 4.8 0.3281 5.7 0.0460 289.8 9.1 288.1 14.4 274.2 108.9 289.8 9.1
91 Sc7-74 58 4296 4.2 18.0251 11.4 0.3519 11.6 0.0460 289.9 5.8 306.1 30.7 431.5 255.5 289.9 5.8
92 Sc7-49 182 12723 3.2 19.3722 4.4 0.3300 4.7 0.0464 292.2 4.7 289.6 11.7 268.6 99.9 292.2 4.7
93 Sc7-53 70 8109 4.9 18.1402 12.8 0.3541 12.8 0.0466 293.5 2.3 307.8 34.0 417.3 286.7 293.5 2.3
94 Sc7-95r 100 8544 3.0 20.4371 9.8 0.3181 9.9 0.0471 297.0 1.7 280.4 24.1 144.5 231.2 297.0 1.7
95 Sc7-89 88 15429 4.2 19.2490 12.6 0.3533 12.7 0.0493 310.4 3.0 307.2 33.6 283.3 289.5 310.4 3.0
96 Sc7-1 104 3315 3.1 15.1368 13.9 0.4496 13.9 0.0494 310.6 4.5 377.0 43.9 808.4 291.2 310.6 4.5
97 Sc7-4 149 23946 1.2 12.9340 1.9 2.0244 2.3 0.1899 1120.8 12.8 1123.7 15.6 1129.3 38.5 1129.3 38.5
98 Sc7-26 62 33408 3.9 12.8275 1.8 1.9774 2.2 0.1840 1088.6 11.9 1107.8 14.8 1145.8 36.6 1145.8 36.6
99 Sc7-57 59 50505 2.7 10.9116 2.1 3.2156 2.7 0.2545 1461.5 20.9 1460.9 20.7 1460.0 40.7 1460.0 40.7
100 Sc7-67 566 50694 2.8 18.6786 3.0 0.3098 4.1 0.0420 265.0 7.1 274.0 9.8 351.6 68.8 265.0 7.1
101 Sc7-90 127 14325 2.0 20.5701 7.9 0.2818 7.9 0.0420 265.4 2.4 252.1 17.7 129.3 185.3 265.4 2.4
102 Sc7-14 87 13635 3.7 18.8604 10.2 0.3073 10.6 0.0420 265.5 7.7 272.1 25.4 329.7 231.9 265.5 7.7
103 Sc7-11 303 33426 4.2 19.7075 2.6 0.2942 2.8 0.0421 265.5 2.5 261.9 6.3 229.1 59.5 265.5 2.5
270
206 Pb*/
238 U
±
(Ma)
207 Pb*/
235 U
±
(Ma)
206 Pb*/
207 Pb*
±
(Ma)
Best age
(Ma)
±
(Ma)
A
P
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