This sample belongs to: Laura Cristina Calderón Díaz

Sample Details
Aliquot Name: 21158BZ
IGSN: IELCD0001
Stratigraphic Formation Name: Honda Group
Stratigraphic Age:
Rock Type: Sandstone
Mineral: Zircon
Latitude: 4.3236
Longitude: -74.7523
Internal Uncertainty Level:
External Uncertainty 206/238 (% two sigma): 1.1
External Uncertainty 206/207 (% two sigma): 1.1
Analysis Purpose:
Laboratory Name: Radiogenic Isotopic and Geochronology Lab (RIGL) at WSU
Analyst Name: Victor Valencia
Aliquot Reference: Plesovice zircon used as primary standard, FC-1, 91500, Temora and Fish Canyon Tuff analyzed as secondary standards.
Aliquot Instrumental Method:
Aliquot Instrumental Reference:
Aliquot Instrumental Reference: IELCD0001


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.
21158BZ_1 890 37000 1.7 19.084 2.3 0.3459 3.2 0.0479 2.5 0.71 301.6 7.5 301.8 8.4 291.0 52.0 301.6 7.5 1.0
21158BZ_2 139 1220 1.2 19.305 9.8 0.0413 9.2 0.0058 3.1 0.00 37.2 1.2 41.1 3.7 90.0 180.0 37.2 1.2 0.4
21158BZ_3 225 3900 2.4 20.7039 5.0 0.0804 4.7 0.0121 1.7 0.04 77.4 1.3 78.6 3.5 80.0 98.0 77.4 1.3 1.0
21158BZ_4 213 4600 1.0 20.9644 3.8 0.1688 3.4 0.0257 1.4 0.01 163.4 2.3 158.5 5.1 71.0 76.0 163.4 2.3 2.3
21158BZ_5 280 2340 0.8 20.0 6.6 0.0408 6.4 0.0059 2.2 0.00 38.0 0.8 40.6 2.6 120.0 130.0 38.0 0.8 0.3
21158BZ_6 87 680 2.7 16.8067 16.5 0.031 17.1 0.0038 5.0 0.10 24.3 1.2 31.0 5.1 190.0 300.0 24.3 1.2 0.1
21158BZ_7 226 83000 2.0 7.5472 1.1 7.2802 1.1 0.3987 1.2 0.53 2163.0 27.1 2147.7 9.9 2127.0 18.0 2127.0 18.0 1.0
21158BZ_8 87 350 2.0 13.5135 23.0 0.0251 17.9 0.0025 6.1 0.02 15.8 1.0 25.2 4.4 90.0 420.0 15.8 1.0 0.2
21158BZ_9 189 113000 1.2 5.618 0.8 11.0086 0.9 0.4488 0.8 0.54 2389.7 22.5 2525.4 8.0 2631.0 13.0 2631.0 13.0 0.9
21158BZ_10 91 12900 2.0 14.4092 3.0 1.1819 5.0 0.1236 3.6 0.79 751.1 26.5 792.7 27.0 895.0 60.0 751.1 26.5 0.8
21158BZ_11 169 1290 1.8 18.8679 12.6 0.0362 11.3 0.0049 5.1 0.00 31.8 1.6 36.1 4.0 140.0 240.0 31.8 1.6 0.2
21158BZ_12 468 99000 10.5 9.3747 0.8 3.6872 0.9 0.2508 0.8 0.49 1442.7 11.7 1569.6 7.3 1740.0 15.0 1740.0 15.0 0.8
21158BZ_13 87 1010 2.1 20.7039 9.5 0.0878 8.5 0.0132 3.0 0.00 84.5 2.6 85.5 7.0 10.0 170.0 84.5 2.6 8.4
21158BZ_14 92 17800 2.9 13.2802 1.9 1.8856 1.8 0.1817 1.1 0.24 1076.2 11.6 1076.7 11.0 1057.0 37.0 1076.2 11.6 1.0
21158BZ_15 99 3900 2.5 20.0803 4.4 0.2505 4.4 0.0365 1.6 0.13 231.1 3.7 227.1 8.7 152.0 92.0 231.1 3.7 1.5
21158BZ_16 347 1030 4.3 20.0 7.6 0.0258 7.4 0.0038 2.4 0.06 24.1 0.6 25.9 1.9 90.0 150.0 24.1 0.6 0.3
21158BZ_17 419 23000 1.3 18.622 2.4 0.2964 2.4 0.04 1.2 0.24 253.1 3.0 263.7 5.5 333.0 53.0 253.1 3.0 0.8
21158BZ_18 271 3700 1.5 21.5054 4.3 0.0808 4.3 0.0126 1.7 0.16 80.8 1.4 78.9 3.2 28.0 85.0 80.8 1.4 2.9
21158BZ_19 479 6200 1.0 20.0 4.8 0.0764 4.2 0.0111 1.5 0.32 71.1 1.1 74.8 3.0 168.0 95.0 71.1 1.1 0.4
21158BZ_20 328 2360 1.4 20.7039 6.2 0.0428 5.8 0.0064 2.0 0.05 41.3 0.8 42.6 2.4 60.0 120.0 41.3 0.8 0.7
21158BZ_21 68 1770 1.5 16.4745 10.4 0.1469 10.2 0.0176 3.1 0.02 112.2 3.5 139.2 13.0 390.0 200.0 112.2 3.5 0.3
21158BZ_22 63 1100 3.4 16.8634 14.3 0.0973 13.4 0.0119 3.9 0.36 76.3 3.1 94.4 12.0 290.0 260.0 76.3 3.1 0.3
21158BZ_23 3160 57000 4.2 20.7125 1.9 0.0704 1.8 0.0106 0.9 0.18 67.8 0.6 69.1 1.2 109.0 42.0 67.8 0.6 0.6
21158BZ_24 277 1900 1.3 18.1488 6.4 0.0469 6.4 0.0062 2.3 0.19 39.7 0.9 46.6 3.1 310.0 130.0 39.7 0.9 0.1
21158BZ_25 65 192 2.4 15.1515 31.8 0.0192 23.5 0.0021 7.1 0.00 13.6 1.0 19.3 4.5 -450.0 500.0 13.6 1.0 -0.0
21158BZ_26 175 1650 1.2 17.3913 10.3 0.0486 9.7 0.0061 2.8 0.05 39.4 1.1 48.2 4.5 280.0 190.0 39.4 1.1 0.1
21158BZ_27 34 10800 1.7 10.5042 2.4 3.5768 2.1 0.2726 1.4 0.09 1554.1 21.9 1545.3 17.0 1509.0 47.0 1509.0 47.0 1.0
21158BZ_28 258 5500 2.8 18.9394 7.2 0.2569 7.0 0.0353 4.8 0.28 223.6 10.7 232.3 15.0 280.0 160.0 223.6 10.7 0.8
21158BZ_29 161 1100 1.6 18.3824 8.6 0.0463 8.0 0.0062 3.1 0.11 39.7 1.2 45.9 3.6 190.0 160.0 39.7 1.2 0.2
21158BZ_30 113 1020 1.0 17.4216 11.8 0.0456 11.4 0.0058 3.6 0.07 37.0 1.4 45.3 5.0 170.0 220.0 37.0 1.4 0.2
21158BZ_31 285 11100 1.0 20.1207 3.0 0.1989 3.0 0.029 1.3 0.06 184.6 2.4 184.3 5.1 162.0 67.0 184.6 2.4 1.1
21158BZ_32 324 27000 2.1 16.3399 1.8 0.8014 1.7 0.095 1.0 0.36 585.2 5.8 598.0 7.7 629.0 36.0 585.2 5.8 0.9
21158BZ_33 304 9960 2.7 18.1159 5.8 0.1713 10.5 0.0225 11.1 0.85 143.5 15.7 160.6 16.0 390.0 130.0 143.5 15.7 0.4
21158BZ_34 592 3000 1.7 20.0803 4.8 0.0395 4.8 0.0058 1.7 0.09 37.0 0.6 39.4 1.9 139.0 97.0 37.0 0.6 0.3
21158BZ_35 435 2200 1.7 15.1976 6.4 0.0499 7.2 0.0055 1.8 0.33 35.4 0.7 49.5 3.4 640.0 130.0 35.4 0.7 0.1
21158BZ_36 138 6000 2.2 19.4553 5.1 0.2768 4.7 0.0391 1.9 0.09 247.1 4.6 248.3 10.0 220.0 100.0 247.1 4.6 1.1
21158BZ_37 321 1780 1.3 20.8333 6.7 0.0434 6.5 0.0066 2.3 0.00 42.2 1.0 43.2 2.7 30.0 120.0 42.2 1.0 1.4
21158BZ_38 177 2400 2.5 20.9205 6.1 0.0854 5.9 0.013 1.9 0.06 83.1 1.6 83.3 4.7 60.0 120.0 83.1 1.6 1.4
21158BZ_39 129 590 3.3 18.0832 16.6 0.0241 14.9 0.0032 4.4 0.05 20.4 0.9 24.2 3.5 -10.0 280.0 20.4 0.9 -2.0
21158BZ_40 610 4900 1.3 20.8768 5.4 0.0428 4.9 0.0065 1.7 0.08 41.6 0.7 42.6 2.1 60.0 100.0 41.6 0.7 0.7
21158BZ_41 269 3500 2.8 21.0526 4.8 0.0819 4.6 0.0125 1.8 0.02 80.2 1.4 80.0 3.5 40.0 95.0 80.2 1.4 2.0
21158BZ_42 452 3780 1.9 18.7617 5.8 0.0378 5.3 0.0051 1.8 0.00 33.1 0.6 37.7 2.0 250.0 120.0 33.1 0.6 0.1
21158BZ_43 222 63000 1.4 8.9686 1.1 4.8888 1.0 0.3181 0.8 0.48 1780.6 14.3 1801.4 8.6 1817.0 20.0 1817.0 20.0 1.0
21158BZ_44 178 2560 2.7 21.2314 5.9 0.0778 5.7 0.012 1.8 0.00 76.8 1.4 76.1 4.2 10.0 120.0 76.8 1.4 7.7
21158BZ_45 137 460 1.3 4.065 10.2 0.1986 20.6 0.0059 6.3 0.57 37.6 2.4 184.0 29.0 2760.0 180.0 2760.0 180.0 0.0
21158BZ_46 96 730 2.0 16.7504 9.9 0.0585 9.6 0.0071 3.5 0.07 45.7 1.6 57.8 5.4 330.0 190.0 45.7 1.6 0.1
21158BZ_47 241 7800 0.8 20.202 3.4 0.2036 3.0 0.0298 1.2 0.02 189.6 2.3 188.3 5.2 141.0 69.0 189.6 2.3 1.3
21158BZ_48 180 1800 3.3 21.2314 5.7 0.088 5.2 0.0136 2.1 0.00 86.8 1.9 85.7 4.3 30.0 110.0 86.8 1.9 2.9
21158BZ_49 1068 147000 6.4 17.0678 1.0 0.6858 1.1 0.0849 0.8 0.42 525.5 4.2 530.6 4.4 545.0 22.0 525.5 4.2 1.0
21158BZ_50 213 1810 1.4 19.3798 8.1 0.0491 7.7 0.0069 2.3 0.14 44.3 1.0 48.7 3.7 140.0 150.0 44.3 1.0 0.3
21158BZ_51 63 189 2.8 17.8571 26.8 0.0252 21.8 0.0033 6.1 0.00 21.0 1.3 25.3 5.7 -400.0 420.0 21.0 1.3 -0.1
21158BZ_52 87 1020 2.0 19.4175 9.1 0.0819 8.5 0.0115 2.7 0.02 74.0 2.0 80.0 6.7 100.0 170.0 74.0 2.0 0.7
21158BZ_53 181 2460 1.9 20.2429 6.3 0.0765 5.7 0.0112 2.1 0.00 72.1 1.6 74.9 4.2 90.0 120.0 72.1 1.6 0.8
21158BZ_54 167 4100 0.9 19.6078 4.3 0.1959 4.1 0.0279 1.7 0.03 177.2 3.1 181.8 6.9 197.0 91.0 177.2 3.1 0.9
21158BZ_55 220 980 3.2 19.9203 11.8 0.0244 10.3 0.0035 3.4 0.00 22.7 0.8 24.5 2.5 -10.0 210.0 22.7 0.8 -2.3
21158BZ_56 198 1810 1.7 13.7174 8.4 0.0605 8.3 0.006 2.5 0.15 38.7 1.0 59.7 4.8 750.0 160.0 38.7 1.0 0.1
21158BZ_57 165 33000 3.7 12.8205 1.3 2.1659 1.1 0.2015 0.8 0.21 1183.3 9.2 1170.9 7.6 1138.0 25.0 1183.3 9.2 1.0
21158BZ_58 329 3200 7.5 21.097 4.4 0.081 4.3 0.0124 1.4 0.19 79.5 1.1 79.2 3.3 51.0 87.0 79.5 1.1 1.6
21158BZ_59 154 49000 1.8 9.5785 1.1 4.3231 1.0 0.3005 0.8 0.14 1693.6 13.7 1698.8 8.3 1696.0 22.0 1696.0 22.0 1.0
21158BZ_60 205 1410 1.2 19.4175 7.6 0.0456 7.5 0.0064 2.5 0.18 41.3 1.0 45.3 3.3 140.0 150.0 41.3 1.0 0.3
21158BZ_61 45 370 2.1 14.7059 17.6 0.0779 18.0 0.0083 4.6 0.16 53.4 2.5 76.2 12.0 200.0 310.0 53.4 2.5 0.3
21158BZ_62 85 277 2.3 13.8889 23.6 0.0215 19.5 0.0022 6.0 0.07 14.0 0.9 21.6 4.2 -140.0 410.0 14.0 0.9 -0.1
21158BZ_63 185 5900 1.3 20.0 4.0 0.2075 3.7 0.0301 1.5 0.00 191.2 2.8 191.5 6.3 153.0 83.0 191.2 2.8 1.2
21158BZ_64 80 231 2.2 15.1515 24.2 0.0225 19.5 0.0025 6.1 0.01 15.9 1.0 22.6 4.5 -210.0 410.0 15.9 1.0 -0.1
21158BZ_65 307 1560 3.4 15.7729 8.4 0.0346 7.8 0.004 2.5 0.09 25.5 0.7 34.6 2.7 510.0 170.0 25.5 0.7 0.0
21158BZ_66 245 1450 1.7 17.094 7.2 0.0446 6.9 0.0055 2.5 0.04 35.6 0.9 44.4 3.0 370.0 140.0 35.6 0.9 0.1
21158BZ_67 390 119000 2.2 12.4735 1.0 2.3016 1.0 0.2083 0.8 0.39 1219.8 9.8 1213.5 7.5 1197.0 20.0 1219.8 9.8 1.0
21158BZ_68 389 5300 2.0 21.645 4.3 0.0806 4.1 0.0127 1.6 0.00 81.1 1.3 78.8 3.1 6.0 87.0 81.1 1.3 13.5
21158BZ_69 746 13700 1.4 21.097 2.7 0.0835 2.5 0.0128 1.2 0.08 81.9 1.0 81.5 2.0 61.0 57.0 81.9 1.0 1.3
21158BZ_70 448 54000 6.6 16.7252 1.2 0.7963 1.3 0.0966 0.8 0.37 594.7 4.7 595.1 5.6 586.0 27.0 594.7 4.7 1.0
21158BZ_71 431 2700 2.4 19.4553 8.6 0.0401 9.2 0.0057 2.7 0.52 36.4 1.0 39.9 3.6 180.0 170.0 36.4 1.0 0.2
21158BZ_72 195 4700 1.2 18.8679 5.1 0.2175 5.1 0.0298 1.9 0.00 189.1 3.6 199.9 8.9 290.0 110.0 189.1 3.6 0.7
21158BZ_73 116 3300 1.5 20.284 5.7 0.1773 5.3 0.0261 1.8 0.00 166.0 3.0 165.8 8.2 100.0 110.0 166.0 3.0 1.7
21158BZ_74 265 590 3.9 18.4162 11.0 0.0177 9.6 0.0024 3.6 0.12 15.2 0.6 17.8 1.7 120.0 200.0 15.2 0.6 0.1
21158BZ_75 342 26000 3.4 16.5071 1.4 0.7767 1.4 0.093 1.0 0.31 573.4 5.4 584.0 6.2 616.0 31.0 573.4 5.4 0.9
21158BZ_76 371 39000 1.8 15.9642 1.3 0.8992 1.4 0.1042 0.9 0.46 638.7 5.6 651.7 6.9 686.0 27.0 638.7 5.6 0.9
21158BZ_77 309 1830 1.6 17.2117 7.7 0.0506 7.5 0.0063 2.2 0.23 40.6 0.9 50.1 3.6 380.0 140.0 40.6 0.9 0.1
21158BZ_78 274 1400 1.9 12.7714 11.6 0.0684 14.2 0.0063 3.8 0.21 40.7 1.6 67.2 9.0 950.0 250.0 40.7 1.6 0.0
21158BZ_79 94 14900 1.0 14.245 1.9 1.4139 1.9 0.1461 1.2 0.27 879.3 10.0 895.4 12.0 924.0 40.0 879.3 10.0 1.0
21158BZ_80 254 57000 3.5 12.5945 1.2 2.1368 1.1 0.1953 0.8 0.22 1149.8 8.7 1161.5 7.2 1180.0 22.0 1149.8 8.7 1.0
21158BZ_81 138 6700 1.1 20.202 3.6 0.252 3.7 0.0369 1.4 0.13 233.9 3.2 228.4 7.5 137.0 76.0 233.9 3.2 1.7
21158BZ_82 261 30000 1.1 16.6389 1.8 0.8289 1.8 0.1001 1.0 0.25 614.9 6.0 613.4 8.1 592.0 40.0 614.9 6.0 1.0
21158BZ_83 201 3700 2.4 20.1207 5.2 0.0887 5.1 0.013 1.8 0.18 83.0 1.5 86.4 4.2 120.0 100.0 83.0 1.5 0.7
21158BZ_84 29 105 3.8 16.9492 96.6 0.0186 49.6 0.0023 12.3 0.07 14.7 2.1 18.7 8.9 -3100.0 1300.0 14.7 2.1 -0.0
21158BZ_85 219 1860 1.3 20.1207 8.2 0.0435 7.8 0.0064 2.5 0.00 40.8 1.0 43.3 3.3 60.0 150.0 40.8 1.0 0.7
21158BZ_86 19 4700 11.8 13.7363 4.4 1.8092 4.4 0.1803 2.4 0.10 1068.7 25.1 1049.4 27.0 959.0 94.0 1068.7 25.1 1.1
21158BZ_87 74 1010 3.0 19.084 9.9 0.0875 8.8 0.0121 2.8 0.00 77.6 2.2 85.2 7.1 120.0 180.0 77.6 2.2 0.6
21158BZ_88 206 1600 2.1 18.4162 9.4 0.0429 9.1 0.0057 2.8 0.00 36.9 1.0 42.7 3.8 160.0 160.0 36.9 1.0 0.2
21158BZ_89 161 630 1.5 17.5439 13.9 0.0185 12.4 0.0024 4.2 0.03 15.2 0.7 18.6 2.3 130.0 240.0 15.2 0.7 0.1
21158BZ_90 1390 8600 5.4 21.0084 9.7 0.025 9.6 0.0038 2.9 0.04 24.5 0.7 25.1 2.4 60.0 170.0 24.5 0.7 0.4
21158BZ_91 219 810 2.4 15.5763 9.0 0.0327 8.3 0.0037 3.0 0.11 23.8 0.7 32.7 2.8 480.0 180.0 23.8 0.7 0.0
21158BZ_92 107 430 1.9 18.1488 11.3 0.0434 10.4 0.0057 3.5 0.07 36.8 1.3 43.2 4.4 130.0 210.0 36.8 1.3 0.3
21158BZ_93 55 1100 4.4 18.3486 11.0 0.0938 9.5 0.0125 3.7 0.00 80.0 3.0 91.1 8.2 140.0 200.0 80.0 3.0 0.6
21158BZ_94 150 20000 1.8 16.3399 2.3 0.9071 2.5 0.1075 1.3 0.41 658.5 8.4 655.9 12.0 622.0 51.0 658.5 8.4 1.1
21158BZ_95 248 1720 2.1 17.762 7.6 0.0418 7.2 0.0054 2.6 0.09 34.6 0.9 41.6 2.9 310.0 150.0 34.6 0.9 0.1
21158BZ_96 676 6300 1.6 21.9298 4.4 0.0434 3.9 0.0069 1.7 0.06 44.3 0.8 43.1 1.7 -35.0 84.0 44.3 0.8 -1.3
21158BZ_97 44 13500 0.7 10.6496 2.0 3.3848 2.0 0.2616 1.2 0.26 1497.8 17.8 1501.8 16.0 1489.0 38.0 1489.0 38.0 1.0
21158BZ_98 172 1370 2.2 16.8634 8.4 0.0389 8.2 0.0048 2.9 0.03 30.6 0.9 38.8 3.2 340.0 170.0 30.6 0.9 0.1
21158BZ_99 87 10500 1.2 16.8634 2.7 0.7424 2.7 0.0908 1.4 0.14 560.5 7.9 564.2 11.0 563.0 59.0 560.5 7.9 1.0
21158BZ_100 253 960 4.4 20.9644 11.5 0.0185 11.4 0.0028 3.4 0.00 18.1 0.6 18.6 2.1 -30.0 200.0 18.1 0.6 -0.6
21158BZ_101 256 1680 1.1 19.5695 7.0 0.0413 6.5 0.0059 2.4 0.00 37.7 0.9 41.1 2.6 150.0 140.0 37.7 0.9 0.3
21158BZ_102 258 3400 3.3 21.1416 5.1 0.0797 5.1 0.0122 1.7 0.05 78.3 1.4 77.9 3.8 70.0 100.0 78.3 1.4 1.1
21158BZ_103 126 370 2.5 19.6464 17.3 0.0215 16.3 0.0031 4.9 0.11 19.7 1.0 21.6 3.4 -170.0 280.0 19.7 1.0 -0.1
21158BZ_104 84 20300 2.4 11.6822 1.6 2.6319 1.8 0.2231 1.0 0.37 1298.2 13.2 1310.4 13.0 1320.0 32.0 1320.0 32.0 1.0
21158BZ_105 209 8200 1.0 20.3252 3.5 0.1998 3.3 0.0295 1.4 0.09 187.2 2.6 185.1 5.5 135.0 71.0 187.2 2.6 1.4
filename:26538.xml
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