This sample belongs to: Nikki Seymour

Sample Details
Aliquot Name: 161-62
IGSN:
Stratigraphic Formation Name: Cerro del Pingo Complex
Stratigraphic Age:
Rock Type: Tonalite
Mineral: zircon
Latitude: -25.74004049
Longitude: -70.2868014
Internal Uncertainty Level:
External Uncertainty 206/238 (% two sigma):
External Uncertainty 206/207 (% two sigma):
Analysis Purpose: Crystallization
Laboratory Name: UTChron
Analyst Name: Nikki Seymour
Aliquot Reference: IE3280009
Aliquot Instrumental Method:
Aliquot Instrumental Reference:
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.
161-62_1.FIN2 148 68 0.9 0.0499 0.0 0.1363 0.0 0.02 0.0 -0.12 128.0 2.8 129.9 5.6 178.0 95.0 128.0 2.8 89.3
161-62_2.FIN2 198 -12 0.8 0.047 0.0 0.1318 0.0 0.0205 0.0 0.06 131.0 2.9 125.4 5.0 62.0 84.0 131.0 2.9 90.6
161-62_3.FIN2 122 75 0.8 0.0495 0.0 0.1337 0.0 0.0199 0.0 0.16 126.9 3.5 126.9 7.2 150.0 120.0 126.9 3.5 90.7
161-62_4.FIN2 102 -39 1.3 0.0519 0.0 0.153 0.0 0.0213 0.0 0.16 135.9 3.9 143.9 9.5 260.0 140.0 135.9 3.9 87.8
161-62_5.FIN2 235 -140 0.7 0.0507 0.0 0.1371 0.0 0.0198 0.0 0.11 126.2 2.5 130.7 5.1 211.0 84.0 126.2 2.5 91.6
161-62_6.FIN2 224 -50 0.7 0.0504 0.0 0.1375 0.0 0.0198 0.0 0.17 126.0 2.9 130.5 5.7 206.0 97.0 126.0 2.9 91.8
161-62_7.FIN2 209 10 1.0 0.0508 0.0 0.1433 0.0 0.0208 0.0 0.22 132.4 3.1 135.6 6.5 224.0 110.0 132.4 3.1 91.0
161-62_8.FIN2 200 24 0.9 0.0503 0.0 0.1395 0.0 0.0203 0.0 0.05 129.3 2.6 132.8 5.4 188.0 87.0 129.3 2.6 91.3
161-62_9.FIN2 158 -81 0.7 0.0501 0.0 0.1369 0.0 0.0199 0.0 0.17 127.2 3.0 129.8 6.1 186.0 100.0 127.2 3.0 89.9
161-62_10.FIN2 108 -180 0.8 0.0477 0.0 0.1376 0.0 0.0211 0.0 -0.07 134.3 3.0 130.4 7.8 100.0 130.0 134.3 3.0 89.6
161-62_11.FIN2 309 -410 0.5 0.0492 0.0 0.1334 0.0 0.0197 0.0 -0.17 126.0 2.4 127.0 4.8 153.0 89.0 126.0 2.4 94.3
161-62_12.FIN2 154 -14 0.8 0.0519 0.0 0.1486 0.0 0.0208 0.0 0.15 132.9 3.0 140.2 6.4 248.0 99.0 132.9 3.0 90.3
161-62_13.FIN2 173 -21 0.8 0.049 0.0 0.1361 0.0 0.0202 0.0 0.11 128.9 2.9 129.3 5.5 142.0 92.0 128.9 2.9 92.2
161-62_14.FIN2 183 4 0.8 0.0492 0.0 0.1361 0.0 0.0201 0.0 0.21 128.2 2.9 129.1 5.5 151.0 88.0 128.2 2.9 91.1
161-62_15.FIN2 153 -4 1.0 0.0506 0.0 0.1398 0.0 0.0202 0.0 -0.13 128.9 2.8 132.5 6.0 209.0 100.0 128.9 2.8 90.2
161-62_16.FIN2 228 -52 0.8 0.0478 0.0 0.1326 0.0 0.0202 0.0 0.08 128.7 2.7 126.2 4.8 95.0 80.0 128.7 2.7 91.9
161-62_17.FIN2 157 1 1.1 0.0478 0.0 0.1307 0.0 0.0199 0.0 -0.01 127.3 2.8 124.3 5.4 87.0 90.0 127.3 2.8 90.0
161-62_18.FIN2 154 -18 0.8 0.0498 0.0 0.1389 0.0 0.0203 0.0 0.20 129.5 2.7 131.6 5.5 174.0 89.0 129.5 2.7 90.4
161-62_19.FIN2 143 -60 0.9 0.0499 0.0 0.1393 0.0 0.0203 0.0 0.08 129.4 2.8 132.5 5.7 177.0 92.0 129.4 2.8 90.5
161-62_20.FIN2 93 -15 1.0 0.0477 0.0 0.1275 0.0 0.0195 0.0 0.04 124.3 3.0 121.2 6.4 73.0 110.0 124.3 3.0 87.3
161-62_21.FIN2 115 -4 1.3 0.0493 0.0 0.1344 0.0 0.0199 0.0 0.03 127.1 3.0 128.2 5.6 144.0 96.0 127.1 3.0 89.8
161-62_22.FIN2 330 -10 1.1 0.0481 0.0 0.1345 0.0 0.0203 0.0 0.18 129.7 3.0 127.9 4.9 112.0 83.0 129.7 3.0 93.3
161-62_23.FIN2 185 -260 0.9 0.0499 0.0 0.1383 0.0 0.0201 0.0 0.11 128.1 3.0 131.1 7.0 170.0 110.0 128.1 3.0 90.3
161-62_24.FIN2 310 -600 0.9 0.0471 0.0 0.1316 0.0 0.0203 0.0 0.18 129.5 3.9 125.4 6.6 70.0 110.0 129.5 3.9 93.6
161-62_25.FIN2 185 28 1.0 0.0499 0.0 0.1422 0.0 0.0205 0.0 0.09 131.0 2.9 134.5 5.8 188.0 92.0 131.0 2.9 90.5
161-62_26.FIN2 163 -20 0.8 0.0513 0.0 0.1388 0.0 0.0197 0.0 0.04 125.4 2.9 131.7 5.6 241.0 98.0 125.4 2.9 91.7
161-62_27.FIN2 218 108 0.9 0.0486 0.0 0.1345 0.0 0.0201 0.0 0.22 128.1 2.7 127.8 5.0 122.0 81.0 128.1 2.7 92.0
161-62_28.FIN2 201 -92 0.6 0.0489 0.0 0.1363 0.0 0.0202 0.0 0.16 128.8 2.7 129.4 6.0 136.0 97.0 128.8 2.7 91.6
161-62_29.FIN2 157 -26 1.0 0.0486 0.0 0.1384 0.0 0.0206 0.0 0.12 131.4 3.1 131.2 5.7 132.0 92.0 131.4 3.1 90.5
161-62_30.FIN2 159 32 0.9 0.0468 0.0 0.1287 0.0 0.0198 0.0 0.08 126.5 2.9 122.5 6.1 56.0 100.0 126.5 2.9 89.3
161-62_31.FIN2 85 -11 1.3 0.0484 0.0 0.1362 0.0 0.0205 0.0 0.02 130.9 3.1 129.7 6.9 115.0 110.0 130.9 3.1 87.7
161-62_32.FIN2 258 -32 0.7 0.0499 0.0 0.1389 0.0 0.0201 0.0 0.20 128.4 2.5 131.8 4.9 182.0 80.0 128.4 2.5 92.9
161-62_33.FIN2 368 -90 0.7 0.0493 0.0 0.1412 0.0 0.0207 0.0 0.26 131.9 3.3 133.9 5.8 158.0 93.0 131.9 3.3 92.6
161-62_34.FIN2 203 8 0.7 0.0486 0.0 0.1341 0.0 0.0201 0.0 0.12 128.6 3.1 127.5 5.8 129.0 100.0 128.6 3.1 92.3
161-62_35.FIN2 245 -70 0.9 0.0484 0.0 0.1327 0.0 0.0201 0.0 0.12 128.3 3.2 126.2 6.2 113.0 110.0 128.3 3.2 91.2
161-62_36.FIN2 334 -20 0.7 0.0492 0.0 0.1365 0.0 0.0201 0.0 0.13 128.1 3.1 129.6 6.4 150.0 110.0 128.1 3.1 92.0
161-62_37.FIN2 124 11 1.1 0.0477 0.0 0.1322 0.0 0.0201 0.0 0.14 128.5 3.4 126.3 7.0 100.0 110.0 128.5 3.4 88.7
161-62_38.FIN2 188 28 0.9 0.0479 0.0 0.1329 0.0 0.0201 0.0 0.05 128.2 2.6 126.3 5.3 97.0 86.0 128.2 2.6 90.9
161-62_39.FIN2 173 500 0.8 0.0506 0.0 0.1424 0.0 0.0204 0.0 0.24 129.8 2.8 134.8 5.9 204.0 92.0 129.8 2.8 92.1
161-62_40.FIN2 171 1200 0.8 0.0489 0.0 0.1355 0.0 0.0202 0.0 0.05 128.7 2.9 128.6 5.2 129.0 88.0 128.7 2.9 90.7
161-62_41.FIN2 71 -27 1.4 0.0499 0.0 0.1386 0.0 0.0203 0.0 0.10 129.4 3.4 130.7 8.0 140.0 120.0 129.4 3.4 85.6
161-62_42.FIN2 214 -160 0.7 0.0491 0.0 0.1369 0.0 0.0202 0.0 0.12 128.9 2.9 130.0 5.3 140.0 89.0 128.9 2.9 92.3
161-62_43.FIN2 171 -72 0.9 0.0479 0.0 0.1317 0.0 0.0202 0.0 0.03 129.0 3.4 125.3 6.0 95.0 110.0 129.0 3.4 89.6
161-62_45.FIN2 279 -50 0.7 0.0486 0.0 0.1371 0.0 0.0204 0.0 0.24 129.8 3.8 130.2 7.2 130.0 120.0 129.8 3.8 93.5
161-62_46.FIN2 148 7 0.8 0.0478 0.0 0.1296 0.0 0.0195 0.0 0.08 124.7 2.8 123.3 7.1 90.0 120.0 124.7 2.8 90.8
161-62_1.FIN2 148 46 1.0 0.072 0.0 0.189 0.0 0.0192 0.0 0.11 122.6 4.7 174.0 14.0 900.0 190.0 122.6 4.7 70.5
161-62_2.FIN2 258 40 1.1 0.0515 0.0 0.1372 0.0 0.0195 0.0 0.06 124.5 3.2 130.0 6.2 230.0 97.0 124.5 3.2 95.8
161-62_3.FIN2 136 25 0.9 0.0513 0.0 0.1351 0.0 0.0195 0.0 0.09 124.7 3.6 127.8 8.0 200.0 130.0 124.7 3.6 97.6
161-62_4.FIN2 206 15 1.2 0.0521 0.0 0.141 0.0 0.0197 0.0 0.09 126.0 4.4 133.0 11.0 230.0 170.0 126.0 4.4 94.7
161-62_5.FIN2 204 3 1.5 0.054 0.0 0.1477 0.0 0.0199 0.0 0.07 126.7 3.2 139.2 8.9 310.0 130.0 126.7 3.2 91.0
161-62_5.FIN2 83 21 1.5 0.0483 0.0 0.144 0.0 0.0215 0.0 0.01 136.9 5.3 135.0 14.0 120.0 190.0 136.9 5.3 98.6
161-62_6.FIN2 185 9 1.1 0.0524 0.0 0.1327 0.0 0.0184 0.0 0.22 117.8 3.1 125.9 6.7 270.0 100.0 117.8 3.1 93.6
161-62_7.FIN2 135 5 1.7 0.048 0.0 0.133 0.0 0.0201 0.0 0.07 128.2 3.6 126.1 8.0 100.0 120.0 128.2 3.6 98.3
161-62_8.FIN2 113 7 1.0 0.0482 0.0 0.1254 0.0 0.0191 0.0 0.03 121.8 3.5 118.8 8.4 80.0 130.0 121.8 3.5 97.5
161-62_9.FIN2 245 42 0.7 0.0473 0.0 0.1202 0.0 0.0185 0.0 0.13 118.2 3.1 116.0 7.2 90.0 120.0 118.2 3.1 98.1
161-62_10.FIN2 291 -500 2.4 0.0975 0.0 0.297 0.0 0.0219 0.0 0.30 139.3 3.4 261.0 22.0 1490.0 180.0 139.3 3.4 53.4
161-62_11.FIN2 127 31 1.6 0.0491 0.0 0.1292 0.0 0.0195 0.0 0.27 124.5 3.2 122.6 7.3 130.0 110.0 124.5 3.2 98.5
161-62_12.FIN2 197 480 0.9 0.0497 0.0 0.136 0.0 0.0198 0.0 0.18 126.2 2.8 128.9 6.4 167.0 95.0 126.2 2.8 97.9
161-62_13.FIN2 106 4 1.0 0.052 0.0 0.136 0.0 0.0192 0.0 0.39 122.5 3.9 128.4 9.8 230.0 140.0 122.5 3.9 95.4
161-62_14.FIN2 309 -4 1.4 0.0516 0.0 0.1335 0.0 0.0186 0.0 0.35 118.8 3.5 126.8 9.1 240.0 140.0 118.8 3.5 93.7
161-62_14.FIN2 130 20 1.3 0.0465 0.0 0.1255 0.0 0.0199 0.0 0.03 127.3 4.2 119.5 8.7 30.0 140.0 127.3 4.2 93.5
161-62_15.FIN2 210 19 1.0 0.0507 0.0 0.124 0.0 0.018 0.0 0.19 115.0 3.1 118.3 5.8 187.0 97.0 115.0 3.1 97.2
161-62_16.FIN2 154 24 0.9 0.0503 0.0 0.1309 0.0 0.019 0.0 0.18 121.7 3.4 124.1 7.8 170.0 120.0 121.7 3.4 98.1
161-62_17.FIN2 118 19 1.0 0.0478 0.0 0.1333 0.0 0.0201 0.0 0.10 128.3 3.9 126.5 7.7 90.0 130.0 128.3 3.9 98.6
161-62_18.FIN2 191 -6 0.8 0.0517 0.0 0.1354 0.0 0.0193 0.0 0.10 123.1 3.4 128.5 7.8 220.0 130.0 123.1 3.4 95.8
161-62_19.FIN2 162 -49 1.0 0.0509 0.0 0.1249 0.0 0.018 0.0 0.10 114.8 2.9 118.9 7.4 190.0 120.0 114.8 2.9 96.6
161-62_20.FIN2 295 -10 0.8 0.0526 0.0 0.1308 0.0 0.0181 0.0 0.09 115.6 2.9 124.6 5.8 284.0 96.0 115.6 2.9 92.8
161-62_21.FIN2 142 30 0.9 0.0473 0.0 0.1278 0.0 0.0197 0.0 0.04 125.6 3.2 121.4 7.3 80.0 120.0 125.6 3.2 96.5
161-62_22.FIN2 150 20 0.9 0.0472 0.0 0.1288 0.0 0.02 0.0 0.04 127.9 3.2 123.2 6.8 70.0 110.0 127.9 3.2 96.2
161-62_23.FIN2 87 7 1.0 0.061 0.0 0.176 0.0 0.0212 0.0 0.21 135.4 4.2 162.0 13.0 490.0 150.0 135.4 4.2 83.6
161-62_24.FIN2 126 12 0.8 0.0518 0.0 0.1377 0.0 0.0195 0.0 0.11 124.5 3.2 130.3 8.1 250.0 130.0 124.5 3.2 95.5
161-62_25.FIN2 195 44 1.9 0.0504 0.0 0.132 0.0 0.019 0.0 0.46 121.1 5.8 125.0 13.0 200.0 200.0 121.1 5.8 96.9
161-62_25.FIN2 95 27 1.3 0.0476 0.0 0.1312 0.0 0.0202 0.0 0.04 128.8 3.5 124.3 8.5 70.0 130.0 128.8 3.5 96.4
161-62_26.FIN2 187 -14 0.8 0.0587 0.0 0.1506 0.0 0.019 0.0 0.15 121.1 3.4 142.0 7.6 500.0 130.0 121.1 3.4 85.3
161-62_27.FIN2 112 27 1.3 0.0523 0.0 0.1408 0.0 0.02 0.0 0.19 127.7 3.9 133.1 8.1 250.0 130.0 127.7 3.9 95.9
161-62_28.FIN2 161 9 1.3 0.0506 0.0 0.1407 0.0 0.0204 0.0 0.05 130.4 2.9 133.1 6.3 186.0 97.0 130.4 2.9 98.0
161-62_29.FIN2 202 36 0.7 0.0494 0.0 0.1321 0.0 0.0199 0.0 0.14 126.7 3.0 126.6 7.3 140.0 110.0 126.7 3.0 99.9
filename:19510.xml
NSF logo Funded by the US National Science Foundation (NSF)