This sample belongs to: Alejandro Beltran-Trivino

Sample Details
Aliquot Name: MA02
IGSN:
Stratigraphic Formation Name: Collon Cura Fm.
Stratigraphic Age:
Rock Type: Sandstone
Mineral: Zircon
Latitude: -42.1
Longitude: -70.92
Internal Uncertainty Level: 2-sigma
External Uncertainty 206/238 (% two sigma): 2.25
External Uncertainty 206/207 (% two sigma): 53.23
Analysis Purpose: Crystallization dating
Laboratory Name: ETHZ
Analyst Name: Albrecht von Quadt
Aliquot Reference: GJ1
Aliquot Instrumental Method: Vizual Age - Iolite
Aliquot Instrumental Reference: NIST610
Aliquot Instrumental Reference:


Spot(s)
Analysis Name U 206Pb/204Pb U/Th 206Pb/207Pb ± (%) 207Pb/235U ± (%) 206Pb/238U ± (%) error corr. 206Pb/238U Age ± (Ma) 207Pb/235U Age ± (Ma) 206Pb/207Pb Age ± (Ma) Best age ± (Ma) Conc.
P8MA02 - 46 154 1.6 15.2672 12.5 0.0124 12.1 0.0014 3.6 0.14 9.1 0.3 12.5 1.5 670.0 260.0 9.1 0.3 37.8
P8MA02 - 64 87 1.3 10.101 13.1 0.0223 12.6 0.0017 5.2 0.06 10.8 0.6 22.3 2.8 1460.0 280.0 10.8 0.6 106.1
P8MA02 - 53 88 1.5 14.7059 16.2 0.018 14.4 0.002 4.5 0.21 12.7 0.6 18.1 2.6 730.0 340.0 12.7 0.6 42.2
P8MA02 - 1 301 1.0 16.129 11.5 0.0174 12.6 0.002 2.1 0.56 13.0 0.3 17.5 2.2 660.0 240.0 13.0 0.3 34.3
P8MA02 - 54 791 1.6 19.3424 5.0 0.0149 4.8 0.0021 2.3 0.11 13.5 0.3 15.0 0.7 270.0 110.0 13.5 0.3 11.4
P8MA02 - 37 256 1.4 18.9036 11.7 0.0156 11.5 0.0022 2.2 0.18 14.1 0.3 15.7 1.8 260.0 230.0 14.1 0.3 11.7
P8MA02 - 3 642 1.4 17.8891 4.8 0.0168 4.9 0.0022 1.6 -0.05 14.1 0.2 16.9 0.8 480.0 110.0 14.1 0.2 19.7
P8MA02 - 9 19 1.5 6.8027 19.7 0.0421 18.1 0.0024 8.0 0.21 15.3 1.2 41.7 7.4 2330.0 340.0 15.3 1.2 172.5
P8MA02 - 49 246 1.1 16.4474 9.0 0.02 7.5 0.0025 2.5 0.01 16.0 0.4 20.1 1.5 550.0 190.0 16.0 0.4 25.4
P8MA02 - 15 295 1.0 4.9261 16.7 0.077 20.8 0.0025 5.6 0.93 16.2 0.9 74.0 15.0 2600.0 310.0 16.2 0.9 357.1
P8MA02 - 67 213 1.0 9.901 11.9 0.0357 12.6 0.0026 2.6 0.34 16.7 0.4 35.5 4.4 1620.0 220.0 16.7 0.4 112.2
P8MA02 - 13 158 1.8 4.2735 12.0 0.088 14.8 0.0026 4.6 0.79 16.9 0.8 85.0 12.0 2980.0 210.0 16.9 0.8 401.8
P8MA02 - 2 106 1.5 12.987 14.3 0.0281 14.2 0.0027 3.3 0.35 17.7 0.6 28.1 3.9 1010.0 260.0 17.7 0.6 58.9
P7MA02 - 2 432 1.2 15.456 9.9 0.0252 12.3 0.0028 2.7 0.86 18.1 0.5 25.2 3.1 720.0 200.0 18.1 0.5 39.2
P8MA02 - 48 141 1.3 5.7143 10.9 0.0722 11.5 0.0029 3.4 0.32 19.0 0.6 70.5 7.8 2540.0 190.0 19.0 0.6 271.6
P8MA02 - 35 214 1.8 17.3611 7.8 0.0248 8.9 0.0031 2.7 0.44 19.7 0.5 24.9 2.2 550.0 190.0 19.7 0.5 26.1
P7MA02 - 18 80 0.8 18.6567 14.6 0.0263 16.3 0.0034 3.2 0.18 21.8 0.7 26.4 4.2 470.0 350.0 21.8 0.7 20.9
P7MA02 - 13 1353 0.6 7.874 7.9 0.0615 9.1 0.0035 1.8 0.81 22.7 0.4 60.5 5.3 2100.0 150.0 22.7 0.4 166.3
P8MA02 - 60 4 3.3 4.7619 24.8 0.123 25.2 0.0049 10.0 0.14 31.6 3.2 114.0 28.0 2720.0 460.0 31.6 3.2 260.8
P8MA02 - 39 587 0.9 13.4228 4.4 0.1473 4.8 0.0145 2.8 0.49 92.6 2.6 139.5 6.3 1090.0 120.0 92.6 2.6 50.6
P8MA02 - 50 1068 0.7 3.647 2.6 0.654 2.9 0.0177 4.0 0.66 112.8 4.5 511.0 12.0 3328.0 42.0 112.8 4.5 353.0
P8MA02 - 62 71 1.1 17.0068 6.1 0.169 6.5 0.0209 2.2 0.41 133.0 2.9 158.3 9.9 530.0 140.0 133.0 2.9 19.0
P7MA02 - 10 177 1.9 16.7224 2.8 0.229 3.3 0.0279 1.4 0.10 177.1 2.5 209.3 6.2 596.0 62.0 177.1 2.5 18.2
P8MA02 - 20 238 1.2 16.4204 6.6 0.233 5.6 0.028 1.6 0.53 178.0 2.8 212.0 11.0 590.0 130.0 178.0 2.8 19.1
P8MA02 - 17 296 1.7 17.2414 3.1 0.226 3.5 0.0282 1.3 0.30 179.3 2.3 208.0 6.0 534.0 63.0 179.3 2.3 16.0
P8MA02 - 51 325 11.1 13.4228 2.1 0.354 3.1 0.0351 2.6 0.69 222.4 5.7 307.4 8.3 1050.0 45.0 222.4 5.7 38.2
P8MA02 - 14 241 1.8 15.1976 3.6 0.394 4.6 0.0428 1.7 0.62 270.2 4.6 336.0 13.0 796.0 78.0 270.2 4.6 24.4
P8MA02 - 40 650 1.6 16.6778 1.6 0.3739 2.6 0.045 1.6 0.76 283.8 4.5 322.4 7.3 599.0 36.0 283.8 4.5 13.6
P8MA02 - 56 291 2.6 15.748 3.5 0.394 3.3 0.045 1.4 0.30 284.0 3.7 337.2 9.5 708.0 74.0 284.0 3.7 18.7
P7MA02 - 8 83 2.6 17.4825 3.0 0.384 3.6 0.0482 2.1 0.55 303.5 6.1 329.6 10.0 505.0 61.0 303.5 6.1 8.6
P7MA02 - 6 40 1.1 9.5238 9.5 0.843 11.7 0.0566 2.5 0.83 354.8 8.8 606.0 55.0 1630.0 200.0 354.8 8.8 70.8
P8MA02 - 10 439 7.0 16.9492 2.4 0.477 5.2 0.0581 3.3 0.96 364.0 11.0 395.0 17.0 566.0 49.0 364.0 11.0 8.5
P8MA02 - 30 600 12.2 15.8228 2.1 0.551 3.6 0.0635 2.0 0.89 397.1 7.6 449.0 12.0 713.0 43.0 397.1 7.6 13.1
P8MA02 - 59 792 2.1 15.1057 3.9 0.592 4.2 0.0646 1.7 0.15 403.5 6.5 471.0 16.0 806.0 83.0 403.5 6.5 16.7
P8MA02 - 68 214 17.5 15.7233 1.7 0.649 2.8 0.0732 1.9 0.87 455.4 8.5 507.5 11.0 727.0 36.0 455.4 8.5 11.4
P7MA02 - 12 274 3.3 13.7779 1.3 1.289 3.9 0.1273 3.7 0.95 772.0 27.0 839.0 23.0 1006.0 28.0 772.0 27.0 8.7
P8MA02 - 24 654 12.6 13.6221 0.9 1.357 1.8 0.1348 1.3 0.75 815.4 9.5 870.4 11.0 1024.0 18.0 1024.0 18.0 6.7
P8MA02 - 5 61 1.5 20.6612 18.0 0.014 17.9 0.002 3.5 0.12 13.2 0.5 14.5 2.4 200.0 300.0 13.2 0.5 10.1
P8MA02 - 33 346 1.5 19.3424 6.0 0.0158 6.2 0.0022 2.1 0.16 14.4 0.3 15.9 1.0 250.0 130.0 14.4 0.3 10.7
P8MA02 - 69 507 0.7 21.2314 6.4 0.0127 6.4 0.002 2.0 0.14 12.7 0.3 12.8 0.8 50.0 130.0 12.7 0.3 0.9
P8MA02 - 63 187 1.1 21.5054 12.3 0.0127 11.0 0.002 2.1 -0.26 13.2 0.3 12.8 1.4 30.0 220.0 13.2 0.3 -2.7
P8MA02 - 55 191 1.9 20.0803 9.6 0.0143 9.1 0.002 2.1 0.10 13.2 0.3 14.4 1.3 230.0 190.0 13.2 0.3 9.3
P7MA02 - 15 306 1.3 19.6464 9.2 0.0141 9.9 0.0021 2.1 0.29 13.4 0.3 14.2 1.4 250.0 190.0 13.4 0.3 5.9
P8MA02 - 34 277 1.7 20.284 6.3 0.014 7.1 0.0021 2.1 0.07 13.4 0.3 14.1 1.0 160.0 130.0 13.4 0.3 4.8
P8MA02 - 11 574 1.9 20.79 5.2 0.0139 4.9 0.0021 1.6 -0.04 13.7 0.2 14.0 0.7 110.0 110.0 13.7 0.2 2.6
P7MA02 - 11 120 0.7 20.202 11.1 0.0186 11.3 0.0027 2.7 0.02 17.2 0.5 18.7 2.1 150.0 210.0 17.2 0.5 8.5
P8MA02 - 36 173 2.2 21.1416 13.5 0.0188 13.3 0.0029 2.5 -0.16 18.7 0.5 18.9 2.5 60.0 240.0 18.7 0.5 1.0
P7MA02 - 25 68 1.1 21.692 12.8 0.0291 12.4 0.0046 2.4 0.00 29.8 0.7 29.0 3.6 20.0 230.0 29.8 0.7 -2.7
P8MA02 - 12 44 0.7 20.4499 10.2 0.0586 10.6 0.0088 2.4 0.27 56.3 1.4 57.7 5.9 170.0 200.0 56.3 1.4 2.5
P7MA02 - 1 212 1.1 20.0 3.0 0.1163 3.4 0.0171 1.4 0.25 109.0 1.5 111.7 3.5 188.0 66.0 109.0 1.5 2.5
P8MA02 - 7 73 2.1 19.305 8.9 0.127 8.7 0.0179 2.5 0.16 114.2 2.9 121.5 9.7 250.0 180.0 114.2 2.9 6.4
P8MA02 - 31 643 1.3 20.2922 1.8 0.1292 2.9 0.0193 2.2 0.69 123.2 2.7 123.4 3.3 159.0 41.0 123.2 2.7 0.2
P8MA02 - 65 180 1.0 18.9036 3.6 0.1822 4.3 0.0246 1.6 -0.09 156.8 2.4 169.8 6.8 311.0 81.0 156.8 2.4 8.3
P8MA02 - 58 250 1.3 19.084 2.7 0.1796 3.2 0.0247 1.7 0.63 157.5 2.6 167.7 5.0 298.0 59.0 157.5 2.6 6.5
P7MA02 - 23 58 0.8 19.8413 4.2 0.18 4.0 0.026 2.0 0.01 165.7 3.3 168.0 6.2 226.0 98.0 165.7 3.3 1.4
P8MA02 - 25 389 1.1 18.4502 2.0 0.199 2.3 0.0264 1.3 0.14 168.0 2.2 184.3 3.8 381.0 49.0 168.0 2.2 9.7
P8MA02 - 52 353 1.8 19.4932 2.3 0.1895 2.6 0.0268 1.5 0.28 170.6 2.5 176.1 4.3 248.0 52.0 170.6 2.5 3.2
P7MA02 - 24 46 0.8 19.0114 5.7 0.199 7.0 0.0276 2.4 0.07 175.2 4.1 184.0 11.0 300.0 120.0 175.2 4.1 5.0
P8MA02 - 47 357 1.4 19.685 2.8 0.1957 3.0 0.0279 1.5 0.26 177.6 2.6 181.4 4.9 224.0 63.0 177.6 2.6 2.1
P7MA02 - 9 218 2.0 19.685 3.0 0.1966 3.9 0.0282 1.9 0.57 179.1 3.4 182.1 6.5 226.0 66.0 179.1 3.4 1.7
P7MA02 - 19 256 1.8 20.0 2.8 0.1959 3.4 0.0284 1.5 0.33 180.4 2.6 181.5 5.6 191.0 62.0 180.4 2.6 0.6
P8MA02 - 22 419 0.8 19.8334 1.7 0.1964 2.9 0.0285 2.0 0.68 181.0 3.6 182.0 4.8 210.0 40.0 181.0 3.6 0.6
P8MA02 - 16 162 1.4 19.9203 2.8 0.1991 3.2 0.0286 1.5 0.19 181.8 2.6 184.3 5.4 196.0 62.0 181.8 2.6 1.4
P7MA02 - 20 138 2.0 20.1207 3.2 0.2018 3.2 0.0287 1.7 0.07 182.1 3.0 186.6 5.4 191.0 75.0 182.1 3.0 2.5
P7MA02 - 21 486 2.2 19.9005 1.6 0.1999 2.2 0.0287 1.5 0.46 182.5 2.6 185.0 3.7 203.0 36.0 182.5 2.6 1.4
P8MA02 - 19 133 1.1 20.1613 3.0 0.1977 4.0 0.0288 1.5 0.45 182.9 2.7 183.0 6.7 169.0 67.0 182.9 2.7 0.1
P8MA02 - 41 682 1.0 20.0361 1.7 0.2046 2.9 0.03 2.3 0.79 190.2 4.3 188.9 5.1 187.0 39.0 190.2 4.3 -0.7
P7MA02 - 22 350 7.1 18.8679 2.1 0.2634 3.7 0.0363 3.0 0.83 229.6 6.9 237.2 7.8 324.0 49.0 229.6 6.9 3.3
P8MA02 - 21 418 4.8 19.0114 2.3 0.2854 2.3 0.0396 1.4 0.29 250.5 3.4 254.9 5.1 305.0 51.0 250.5 3.4 1.8
P8MA02 - 32 330 1.6 18.843 1.8 0.2961 2.5 0.0404 1.4 0.56 255.2 3.5 263.2 5.8 335.0 42.0 255.2 3.5 3.1
P8MA02 - 43 374 2.7 18.8679 2.8 0.3078 3.1 0.0424 1.5 0.16 267.8 3.9 272.3 7.5 322.0 63.0 267.8 3.9 1.7
P8MA02 - 23 321 2.1 18.3824 2.2 0.3198 2.7 0.0427 1.4 0.54 269.6 3.8 281.6 6.7 391.0 46.0 269.6 3.8 4.5
P7MA02 - 4 340 2.5 18.8395 1.8 0.3188 2.4 0.0435 1.2 0.42 274.3 3.2 280.9 5.9 328.0 41.0 274.3 3.2 2.4
P8MA02 - 6 52 1.3 18.018 4.3 0.334 4.8 0.0437 2.3 0.39 275.5 6.3 292.0 12.0 446.0 95.0 275.5 6.3 6.0
P8MA02 - 38 375 2.2 19.084 2.1 0.3165 2.3 0.0437 1.8 0.22 275.7 4.8 279.1 5.6 299.0 50.0 275.7 4.8 1.2
P7MA02 - 14 215 2.0 18.7617 2.4 0.3254 3.0 0.0442 1.2 0.31 279.0 3.4 285.9 7.3 360.0 56.0 279.0 3.4 2.5
P7MA02 - 16 342 1.0 19.1388 1.8 0.32 2.6 0.0445 1.2 0.61 280.8 3.4 281.7 6.5 292.0 42.0 280.8 3.4 0.3
P8MA02 - 28 613 3.3 19.1461 0.9 0.3234 2.2 0.045 1.7 0.75 283.9 4.7 284.4 5.4 294.0 21.0 283.9 4.7 0.2
P8MA02 - 27 201 1.6 18.0505 2.0 0.3465 2.4 0.0451 1.2 0.31 284.3 3.4 302.0 6.3 425.0 45.0 284.3 3.4 6.2
P7MA02 - 17 262 1.4 18.9322 1.7 0.3369 2.4 0.0461 1.5 0.52 290.7 4.2 294.7 6.0 317.0 39.0 290.7 4.2 1.4
P8MA02 - 18 331 2.2 19.2234 1.8 0.3355 2.4 0.0466 1.4 0.31 293.3 3.9 293.6 6.0 282.0 40.0 293.3 3.9 0.1
P8MA02 - 4 142 1.1 19.2678 2.3 0.3373 2.4 0.0476 1.4 0.21 299.8 4.2 295.0 6.1 275.0 51.0 299.8 4.2 -1.6
P8MA02 - 8 422 3.0 19.1644 1.5 0.3433 1.9 0.0478 1.7 0.51 300.7 5.0 299.6 5.0 290.0 34.0 300.7 5.0 -0.4
P8MA02 - 57 258 1.3 17.7936 1.8 0.3732 2.3 0.0484 1.3 0.40 304.8 3.9 323.1 6.8 464.0 43.0 304.8 3.9 6.0
P8MA02 - 45 592 2.0 18.3419 1.4 0.3671 2.0 0.0488 1.4 0.52 306.8 4.1 317.4 5.5 390.0 31.0 306.8 4.1 3.5
P7MA02 - 7 43 1.7 19.0476 3.4 0.367 4.1 0.0512 1.5 0.40 321.6 4.6 317.0 11.0 298.0 74.0 321.6 4.6 -1.4
P7MA02 - 3 125 2.1 19.0114 2.9 0.372 3.2 0.0513 1.3 0.29 322.6 4.2 320.7 9.2 304.0 65.0 322.6 4.2 -0.6
P8MA02 - 42 516 24.0 17.5531 1.5 0.4047 2.4 0.0514 1.9 0.75 323.3 6.3 344.9 7.2 488.0 32.0 323.3 6.3 6.7
P8MA02 - 29 256 2.6 17.8603 1.7 0.4147 2.7 0.054 1.8 0.68 339.1 5.9 352.0 8.0 448.0 37.0 339.1 5.9 3.8
P7MA02 - 5 33 2.9 18.2482 3.8 0.469 4.9 0.0621 1.9 0.52 388.2 7.6 390.0 16.0 404.0 85.0 388.2 7.6 0.5
P8MA02 - 44 166 0.8 17.5747 2.6 0.531 2.6 0.0681 1.5 0.11 424.5 6.0 432.1 9.0 483.0 58.0 424.5 6.0 1.8
P8MA02 - 66 527 2.5 18.4911 1.5 0.5168 2.3 0.0694 1.9 0.63 432.3 7.9 422.9 7.9 372.0 34.0 432.3 7.9 -2.2
P8MA02 - 61 164 2.1 17.1233 2.9 0.594 3.4 0.073 1.4 0.55 454.4 6.1 473.0 13.0 563.0 58.0 454.4 6.1 4.1
filename:21837.xml
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