This sample belongs to: Carl Hoiland

Sample Details
Aliquot Name: FT-1
IGSN:
Stratigraphic Formation Name: McCoy Creek Group unit 5 (Snake Range footwall)
Stratigraphic Age:
Rock Type: Interbedded quartz schist + quartzite
Mineral: Zircon
Latitude: 39.22611
Longitude: -114.10917
Internal Uncertainty Level:
External Uncertainty 206/238 (% two sigma): 1.34
External Uncertainty 206/207 (% two sigma): 0.75
Analysis Purpose: DetritalSpectrum
Laboratory Name: University of Arizona LaserChron Center
Analyst Name: Carl Hoiland
Aliquot Reference: Hoiland, C., Hourigan, J., and Miller, E., 2021, Evidence for Large Departures from Lithostatic Pressure During Late Cretaceous Metamorphism in the Northern Snake Range Metamorphic Core Complex, Nevada, in GSA Special Paper “Tectonic Evolution of the Sevier-Laramide Hinterland, Thrust Belt, Foreland and Post-Orogenic Slab Rollback (180-20 Ma)”.
Aliquot Instrumental Method: LA-ICPMS
Aliquot Instrumental Reference: Gehrels, G.E., Valencia, V., and Ruiz, J., 2008, Enhanced precision, accuracy, efficiency, and spatial resolution of U-Pb ages by laser ablation-multicollector-inductively coupled plasma-mass spectrometry: Geochemistry, Geophysics, Geosystems, v. 9, Q03017, doi:10.1029/2007GC001805.
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.
Spot 69 188 50427 1.1 13.6867 0.8 1.7032 1.4 0.1691 1.1 0.81 1007.0 10.3 1009.8 8.7 1015.7 16.4 1015.7 16.4 99.1
Spot 61 83 18767 2.3 13.6809 1.5 1.7096 1.9 0.1696 1.1 0.58 1010.1 10.0 1012.1 11.9 1016.6 30.9 1016.6 30.9 99.4
Spot 62 196 33663 2.2 13.6327 0.7 1.6198 2.9 0.1602 2.9 0.97 957.6 25.4 977.9 18.5 1023.7 14.5 1023.7 14.5 93.5
Spot 15 116 27705 3.0 13.6275 1.0 1.7531 2.2 0.1733 1.9 0.88 1030.1 18.4 1028.3 14.1 1024.5 20.8 1024.5 20.8 100.5
Spot 58 84 49900 2.0 13.608 0.9 1.7414 1.8 0.1719 1.6 0.87 1022.4 15.2 1024.0 11.9 1027.4 18.3 1027.4 18.3 99.5
Spot 66 165 44822 1.8 13.5744 1.0 1.7315 1.3 0.1705 0.7 0.58 1014.7 7.0 1020.3 8.2 1032.4 21.0 1032.4 21.0 98.3
Spot 40 135 47842 1.3 13.5218 0.6 1.807 2.7 0.1772 2.6 0.97 1051.7 25.3 1048.0 17.5 1040.2 12.8 1040.2 12.8 101.1
Spot 24 141 10948 1.6 13.4054 0.8 1.6559 2.3 0.161 2.2 0.94 962.3 19.8 991.8 14.9 1057.7 15.9 1057.7 15.9 91.0
Spot 64 234 39225 1.9 13.2925 0.5 1.7806 1.8 0.1717 1.8 0.97 1021.2 16.9 1038.4 12.0 1074.7 9.2 1074.7 9.2 95.0
Spot 29 103 56535 0.4 13.2614 0.9 1.9732 1.1 0.1898 0.5 0.48 1120.2 5.3 1106.4 7.1 1079.3 18.6 1079.3 18.6 103.8
Spot 25 44 24994 0.7 13.2547 2.8 1.9547 3.2 0.1879 1.5 0.47 1110.0 15.1 1100.1 21.2 1080.4 55.8 1080.4 55.8 102.7
Spot 31 125 77987 3.1 13.2492 1.0 1.8638 1.2 0.1791 0.7 0.56 1062.0 6.7 1068.3 8.1 1081.2 20.3 1081.2 20.3 98.2
Spot 55 85 54078 0.9 13.2434 0.9 1.9668 2.4 0.1889 2.2 0.93 1115.5 22.5 1104.2 16.0 1082.1 18.1 1082.1 18.1 103.1
Spot 22 165 320025 2.7 13.2357 0.6 1.8827 1.0 0.1807 0.8 0.78 1071.0 7.7 1075.0 6.7 1083.2 12.6 1083.2 12.6 98.9
Spot 56 163 95639 2.9 13.1421 0.8 1.8554 2.5 0.1768 2.4 0.94 1049.7 22.8 1065.4 16.5 1097.5 16.7 1097.5 16.7 95.7
Spot 01 363 58614 1.3 13.0555 0.4 1.8621 1.9 0.1763 1.9 0.97 1046.8 18.1 1067.7 12.7 1110.7 8.8 1110.7 8.8 94.2
Spot 18 66 30263 1.0 13.0358 0.9 1.9684 1.3 0.1861 0.9 0.71 1100.2 9.2 1104.8 8.7 1113.7 18.3 1113.7 18.3 98.8
Spot 10 114 40426 1.1 12.941 0.7 2.0755 1.9 0.1948 1.7 0.92 1147.3 17.9 1140.8 12.7 1128.3 14.8 1128.3 14.8 101.7
Spot 60 156 8727 1.9 12.8015 5.2 2.0743 7.4 0.1926 5.2 0.71 1135.4 54.5 1140.4 50.6 1149.8 103.2 1149.8 103.2 98.7
Spot 80 292 68174 1.4 12.7758 0.5 2.0733 2.2 0.1921 2.2 0.97 1132.8 22.8 1140.0 15.4 1153.8 9.9 1153.8 9.9 98.2
Spot 70 81 116600 1.3 12.7746 1.0 2.0213 1.1 0.1873 0.6 0.51 1106.6 5.8 1122.7 7.6 1154.0 19.1 1154.0 19.1 95.9
Spot 28 162 128201 1.7 12.6708 0.6 2.1696 1.3 0.1994 1.2 0.91 1172.0 12.8 1171.3 9.2 1170.2 11.0 1170.2 11.0 100.2
Spot 75 57 53322 0.3 12.4596 2.1 2.2665 2.7 0.2048 1.6 0.61 1201.1 18.0 1201.9 18.9 1203.3 41.7 1203.3 41.7 99.8
Spot 30 131 12721 1.5 12.1516 1.1 2.2937 1.5 0.2022 1.0 0.69 1186.9 11.3 1210.4 10.7 1252.5 21.3 1252.5 21.3 94.8
Spot 78 42 27166 1.6 11.731 1.7 2.6795 2.3 0.228 1.5 0.65 1323.9 17.6 1322.8 16.8 1321.1 33.5 1321.1 33.5 100.2
Spot 79 48 15551 1.3 11.607 1.7 2.7753 2.4 0.2336 1.7 0.71 1353.5 20.3 1348.9 17.6 1341.6 32.3 1341.6 32.3 100.9
Spot 26 85 75200 0.8 11.4428 1.1 2.8969 1.5 0.2404 1.0 0.69 1388.9 13.1 1381.1 11.4 1369.1 21.0 1369.1 21.0 101.4
Spot 49 138 61817 1.5 11.4358 0.6 2.6362 2.1 0.2186 2.1 0.96 1274.7 23.8 1310.8 15.7 1370.3 11.2 1370.3 11.2 93.0
Spot 41 39 26295 0.7 11.4146 1.0 2.8771 1.4 0.2382 1.0 0.68 1377.2 12.1 1375.9 10.8 1373.9 20.2 1373.9 20.2 100.2
Spot 34 115 51960 0.9 11.3799 0.5 2.7662 6.3 0.2283 6.3 1.00 1325.6 75.2 1346.5 47.0 1379.7 8.8 1379.7 8.8 96.1
Spot 53 150 132616 1.0 11.3697 0.7 2.8989 2.0 0.239 1.9 0.95 1381.7 23.9 1381.6 15.4 1381.4 12.7 1381.4 12.7 100.0
Spot 05 38 22061 0.5 11.3465 2.0 2.9436 2.4 0.2422 1.4 0.59 1398.3 17.8 1393.2 18.3 1385.4 37.5 1385.4 37.5 100.9
Spot 77 128 101127 1.0 11.3255 0.5 2.8634 1.5 0.2352 1.4 0.95 1361.7 17.1 1372.3 11.1 1388.9 9.0 1388.9 9.0 98.0
Spot 54 166 15456 1.2 11.277 1.2 2.9811 3.5 0.2438 3.2 0.94 1406.5 41.0 1402.8 26.4 1397.1 23.4 1397.1 23.4 100.7
Spot 65 53 21618 0.7 11.1868 3.3 2.9654 8.7 0.2406 8.0 0.92 1389.8 100.0 1398.8 65.8 1412.5 63.2 1412.5 63.2 98.4
Spot 48 314 132948 1.6 11.0655 0.3 2.8657 2.6 0.23 2.6 0.99 1334.4 31.3 1372.9 19.7 1433.4 6.1 1433.4 6.1 93.1
Spot 45 62 47094 0.7 10.8709 1.5 3.2217 1.7 0.254 0.7 0.44 1459.1 9.6 1462.4 13.0 1467.1 28.6 1467.1 28.6 99.5
Spot 71 184 96186 1.6 10.866 0.3 3.0697 1.0 0.2419 1.0 0.96 1396.6 12.6 1425.2 8.0 1468.0 5.3 1468.0 5.3 95.1
Spot 13 124 72176 2.1 10.8426 0.7 3.2811 1.0 0.258 0.7 0.71 1479.7 9.0 1476.6 7.4 1472.1 12.8 1472.1 12.8 100.5
Spot 02 89 10150 1.4 10.7277 0.9 3.3703 2.5 0.2622 2.4 0.94 1501.2 31.7 1497.5 19.8 1492.3 16.5 1492.3 16.5 100.6
Spot 06 40 4073 1.1 10.6287 4.2 3.4611 4.5 0.2668 1.7 0.37 1524.6 22.6 1518.4 35.8 1509.8 79.9 1509.8 79.9 101.0
Spot 23 82 8658 1.6 10.3821 15.0 3.3334 16.4 0.251 6.5 0.40 1443.6 83.6 1488.9 128.4 1554.0 283.6 1554.0 283.6 92.9
Spot 04 58 76989 0.8 9.8192 0.8 4.1741 1.8 0.2973 1.6 0.91 1677.7 23.8 1669.0 14.6 1657.9 14.0 1657.9 14.0 101.2
Spot 11 184 41099 3.5 9.5976 0.2 4.3639 4.2 0.3038 4.2 1.00 1709.9 63.5 1705.5 35.0 1700.1 4.1 1700.1 4.1 100.6
Spot 16 100 160087 0.5 9.239 0.5 4.1897 0.9 0.2807 0.8 0.83 1595.1 11.1 1672.0 7.8 1769.9 9.6 1769.9 9.6 90.1
Spot 07 203 44421 2.0 9.1721 0.3 4.6308 1.9 0.3081 1.9 0.99 1731.1 28.8 1754.8 16.0 1783.2 5.1 1783.2 5.1 97.1
Spot 44 114 74407 0.8 9.0244 0.4 4.4685 2.8 0.2925 2.7 0.99 1653.8 39.8 1725.1 22.9 1812.7 6.9 1812.7 6.9 91.2
Spot 37 124 74987 2.1 8.8509 0.4 5.1845 1.0 0.3328 0.9 0.91 1852.0 14.9 1850.1 8.7 1847.9 7.7 1847.9 7.7 100.2
Spot 36 53 108809 2.5 8.809 1.0 5.2585 1.2 0.336 0.6 0.49 1867.2 9.1 1862.2 9.8 1856.5 18.2 1856.5 18.2 100.6
Spot 46 137 24958 1.0 8.7967 0.4 4.7056 1.8 0.3002 1.7 0.97 1692.4 25.8 1768.2 15.0 1859.0 8.0 1859.0 8.0 91.0
Spot 42 105 62251 1.2 5.4685 0.2 11.9941 2.6 0.4757 2.6 1.00 2508.5 54.2 2603.9 24.5 2679.0 3.3 2679.0 3.3 93.6
Spot 08 90 45476 1.9 5.4481 0.3 12.6568 4.2 0.5001 4.1 1.00 2614.3 89.1 2654.5 39.1 2685.2 4.5 2685.2 4.5 97.4
Spot 09 41 71313 0.6 5.1736 0.3 13.5849 0.8 0.5097 0.8 0.94 2655.5 17.2 2721.2 7.9 2770.3 4.7 2770.3 4.7 95.9
Spot 38 415 22089 2.3 20.4778 2.7 0.1728 5.8 0.0257 5.1 0.88 163.4 8.2 161.9 8.6 139.8 63.3 163.4 8.2 116.8
Spot 32 401 8143 1.8 6.2981 2.6 0.6486 294.1 0.0296 294.1 1.00 188.2 n.d. 507.6 n.d. 2442.7 n.d. 188.2 n.d. 7.7
Spot 20 577 19654 3.7 14.3077 3.0 0.3918 10.2 0.0407 9.7 0.96 256.9 24.5 335.7 29.1 925.2 61.5 256.9 24.5 27.8
Spot 35 177 2889 4.3 12.3994 11.1 0.5211 15.7 0.0469 11.1 0.71 295.2 32.0 425.9 54.6 1212.9 218.4 295.2 32.0 24.3
Spot 74 510 11994 3.5 13.4088 3.3 0.7431 4.4 0.0723 2.9 0.66 449.8 12.5 564.2 18.9 1057.2 66.3 449.8 12.5 42.5
Spot 12 14 7834 0.9 13.9136 6.9 1.7609 8.1 0.1777 4.2 0.52 1054.4 41.1 1031.2 52.7 982.3 141.4 982.3 141.4 107.3
Spot 14 466 70380 1.8 13.3864 1.8 1.0399 36.6 0.101 36.6 1.00 620.0 216.3 723.9 191.8 1060.5 36.8 1060.5 36.8 58.5
Spot 59 615 12431 1.7 13.2444 1.1 0.9623 2.7 0.0924 2.4 0.91 569.9 13.3 684.5 13.4 1081.9 22.2 1081.9 22.2 52.7
Spot 21 141 93291 0.8 13.0173 0.7 1.785 11.9 0.1685 11.9 1.00 1004.0 110.5 1040.0 77.6 1116.6 13.9 1116.6 13.9 89.9
Spot 43 598 8095 1.8 13.0135 0.8 1.2923 5.4 0.122 5.4 0.99 741.9 37.6 842.3 31.1 1117.2 15.7 1117.2 15.7 66.4
Spot 63 511 44060 4.1 12.697 0.3 1.635 2.7 0.1506 2.6 0.99 904.1 22.3 983.8 16.8 1166.1 6.5 1166.1 6.5 77.5
Spot 67 198 25013 1.7 12.5563 2.1 1.8228 20.9 0.166 20.8 1.00 990.0 190.7 1053.7 137.7 1188.1 40.6 1188.1 40.6 83.3
Spot 73 554 2324 2.1 12.1782 3.3 0.7801 10.0 0.0689 9.4 0.94 429.6 39.2 585.6 44.5 1248.2 65.0 1248.2 65.0 34.4
Spot 17 244 19411 0.9 11.8426 0.7 1.7429 7.2 0.1497 7.2 1.00 899.3 60.0 1024.5 46.4 1302.7 12.7 1302.7 12.7 69.0
Spot 47 640 69698 15.7 11.5741 0.1 2.3791 2.6 0.1997 2.6 1.00 1173.8 28.4 1236.3 18.9 1347.1 2.5 1347.1 2.5 87.1
Spot 50 146 28130 0.9 11.3633 0.5 2.3404 6.4 0.1929 6.4 1.00 1137.0 66.5 1224.6 45.6 1382.5 10.2 1382.5 10.2 82.2
Spot 33 246 9761 1.9 11.2459 1.0 2.2529 10.3 0.1838 10.3 1.00 1087.5 103.1 1197.7 72.9 1402.5 18.4 1402.5 18.4 77.5
Spot 19 209 11019 2.0 11.0187 0.7 2.489 4.1 0.1989 4.0 0.99 1169.4 42.7 1268.8 29.4 1441.4 13.1 1441.4 13.1 81.1
Spot 68 281 45690 1.2 9.512 0.3 3.7985 2.5 0.262 2.4 0.99 1500.3 32.7 1592.4 19.8 1716.6 5.7 1716.6 5.7 87.4
Spot 52 250 29797 0.7 9.2429 0.4 4.9819 7.5 0.334 7.5 1.00 1857.6 120.8 1816.3 63.5 1769.2 6.7 1769.2 6.7 105.0
Spot 03 170 59746 5.1 9.2913 1.3 3.011 10.9 0.2029 10.8 0.99 1190.9 117.5 1410.4 83.1 1759.6 23.2 1759.6 23.2 67.7
Spot 51 164 11340 1.7 9.1777 0.8 2.5589 5.2 0.1703 5.2 0.99 1013.9 48.4 1289.0 38.1 1782.1 15.3 1782.1 15.3 56.9
Spot 72 479 3469 1.3 6.4788 0.6 1.6314 6.5 0.0767 6.5 1.00 476.1 29.8 982.4 41.1 2394.7 9.7 2394.7 9.7 19.9
Spot 27 273 8623 0.9 6.1597 0.3 6.5079 1.5 0.2907 1.4 0.97 1645.2 21.0 2047.0 13.1 2480.2 5.8 2480.2 5.8 66.3
Spot 57 288 7341 1.2 5.9731 0.3 4.9712 5.2 0.2154 5.2 1.00 1257.3 59.3 1814.4 44.0 2532.0 5.2 2532.0 5.2 49.7
Spot 76 208 42826 1.0 5.7168 0.2 9.005 3.0 0.3734 3.0 1.00 2045.2 52.1 2338.5 27.2 2605.3 3.8 2605.3 3.8 78.5
filename:22497.xml
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