Zircon U-Pb age of Xuanlong-type iron deposits in North China Craton and its constraints on genesis
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摘要:
华北克拉通宣龙式铁矿是中国北方最重要的沉积型铁矿类型,形成于元古宙中期(1800~800Ma)。河北大岭堡地区鲕状赤铁矿石发育大量碎屑锆石,对这些碎屑锆石及庞家堡地区侵入串岭沟组的花岗岩脉进行了LA-ICP-MS锆石U-Pb年龄分析。鲕状赤铁矿石碎屑锆石获得了2组主要的峰值年龄,分别为1873Ma和2530Ma,记录了华北克拉通约1850Ma和约2500Ma两次构造热事件,结合前人研究,表明其与围岩具有基本一致的碎屑锆石源区,与北京十三陵地区串岭沟组源区略有差异,推测宣龙式铁矿可能为华北克拉通响应Columbia超大陆裂解的产物。花岗岩脉锆石U-Pb年龄为202.3±1.4Ma(n=27,MSWD=0.96),表明区内发育印支期岩浆侵入活动,暗示磁铁矿石可能并非前人认为的燕山期的产物,其成因还需要进一步深入研究。
Abstract:Xuanlong-type iron deposit is the most important sedimentary-type iron ores in North China,which was deposited during the Mid-Proterozoic era(1800~800 Ma). Here we report the results of zircon U-Pb dating for the Xuanlong-type iron deposit. In this study,we have found abundant detrital zircons in the iron ores in the Dalingbu area,Hebei Province,and we have reported the LA-ICP-MS U-Pb ages of these detrital zircons. In addition,we also dating the granite veins which intruded into the Chuanlinggou Formation in Pangjiabu area. Combing previous studies,two peak detrital zircons ages can be observed,i.e.,the ages of 1873 Ma and 2530 Ma,respectively. These ages effectively record ca.1850 Ma and 2500 Ma tectonic thermal events of North China Craton,which indicated that the iron ores may share a similar zircon sources with the surrounding rocks in Xuanlong area. However,their sources are slightly different from that of the Chuanlinggou Formation in the Ming Tombs District,Beijing. Therefore,we speculate that Xuanlong-type iron ores may be the product of North China Craton in response to the breakup of the Columbia supercontinent. The U-Pb age of zircons from the granite vein was 202.3±1.4 Ma(n=27,MSWD=0.96),which suggests that the occurrence of Indosinian magmatic activity in the studied area. Meanwhile,this indicates that the formation of magnetite ores may not be related to the Yanshanian magmatism,and its genesis needs further study.
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表 1 大岭堡鲕状赤铁矿石LA-ICP-MS碎屑锆石U-Th-Pb分析结果
Table 1. LA-ICP-MS U-Th-Pb dating results of detrital zircons from the Dalingbu oolitic hematite ores
点号 含量/10-6 Th/U 同位素比值 年龄/Ma 204Pb 232Th 238U 207Pb/206Pb± 207Pb/235U± 206Pb/U238± 208Pb/232Th± 207Pb/206Pb± 207Pb/235U± 206Pb/238U± 208/Pb/232Th± DLB-1-01 7.54 207.2 981.61 0.21 0.1297 0.00263 6.10367 0.06389 0.34125 0.00344 0.10113 0.00103 2093.9 35.22 1990.8 9.13 1892.7 16.53 1947.2 18.87 DLB-1-02 < 1.02 187.57 146.69 1.28 0.11375 0.00233 5.24236 0.05689 0.3342 0.00339 0.10167 0.00093 1860.1 36.55 1859.5 9.25 1858.7 16.4 1957.1 17.1 DLB-1-03 1.87 113.7 174.51 0.65 0.12187 0.00252 5.4377 0.06063 0.32355 0.00331 0.1148 0.00111 1983.7 36.28 1890.8 9.56 1807.1 16.14 2196.6 20.07 DLB-1-04 2.28 202.01 234.71 0.86 0.11312 0.00232 3.20294 0.03451 0.20531 0.00207 0.06005 0.00056 1850.2 36.58 1457.9 8.34 1203.8 11.1 1178.7 10.6 DLB-1-05 1.25 16.78 21.21 0.79 0.10855 0.00254 4.7444 0.0744 0.31694 0.0036 0.09834 0.00123 1775.2 42.08 1775.1 13.15 1774.8 17.64 1895.9 22.65 DLB-1-06 < 1.12 25.48 74.77 0.34 0.16948 0.00347 11.35351 0.12294 0.48579 0.00499 0.14573 0.00155 2552.5 33.86 2552.6 10.1 2552.4 21.66 2749.7 27.29 DLB-1-07 < 1.48 50.59 135.49 0.37 0.11499 0.00237 5.34251 0.05848 0.33692 0.00343 0.10075 0.00102 1879.7 36.62 1875.7 9.36 1871.9 16.55 1940.3 18.67 DLB-1-08 < 1.29 22.77 36.77 0.62 0.11108 0.0025 4.96974 0.07112 0.32442 0.00358 0.10135 0.00124 1817.2 40.3 1814.2 12.1 1811.3 17.41 1951.2 22.8 DLB-1-09 < 1.15 101.5 146.3 0.69 0.17009 0.00347 11.42612 0.12166 0.48713 0.00497 0.15722 0.00148 2558.5 33.76 2558.6 9.94 2558.2 21.55 2951.5 25.92 DLB-1-10 < 1.16 48.69 37.88 1.29 0.12817 0.00276 6.59203 0.08365 0.37295 0.004 0.11182 0.00113 2073.1 37.41 2058.3 11.19 2043.3 18.8 2142.4 20.51 DLB-1-11 1.01 74.17 143.79 0.52 0.11661 0.0024 5.51865 0.06017 0.34319 0.0035 0.10427 0.00101 1904.9 36.51 1903.5 9.37 1902 16.77 2004.7 18.46 DLB-1-12 1.03 70.79 78.35 0.9 0.16783 0.00345 11.21694 0.12237 0.48467 0.00499 0.14094 0.00134 2536.1 34.06 2541.3 10.17 2547.6 21.68 2665 23.79 DLB-1-13 < 0.98 84.52 83.64 1.01 0.12485 0.0026 6.28619 0.07124 0.36511 0.00377 0.10725 0.00102 2026.7 36.39 2016.5 9.93 2006.3 17.8 2059.2 18.67 DLB-1-14 < 1.04 80.15 93.54 0.86 0.16816 0.00344 11.22525 0.12056 0.48407 0.00495 0.13924 0.00131 2539.4 33.95 2542 10.01 2545 21.52 2634.9 23.2 DLB-1-15 1.24 189.88 161.56 1.18 0.11526 0.00237 5.39789 0.05862 0.3396 0.00346 0.10225 0.00093 1884 36.61 1884.5 9.3 1884.7 16.63 1967.7 17.13 DLB-1-16 1.78 100.55 69.15 1.45 0.16112 0.00334 10.30068 0.1149 0.4636 0.00481 0.13626 0.00127 2467.4 34.54 2462.2 10.32 2455.4 21.19 2582 22.64 DLB-1-17 1.42 117.95 251 0.47 0.16409 0.00334 9.73452 0.10159 0.4302 0.00435 0.13647 0.00127 2498.2 33.89 2410 9.61 2306.6 19.6 2585.6 22.52 DLB-1-18 < 1.08 111.9 127.06 0.88 0.11437 0.00237 5.28981 0.05848 0.3354 0.00343 0.10069 0.00094 1869.9 36.88 1867.2 9.44 1864.5 16.55 1939 17.29 DLB-1-19 3.76 200.74 806.72 0.25 0.15831 0.00324 3.54981 0.03724 0.16259 0.00164 0.03092 0.00031 2437.7 34.23 1538.4 8.31 971.2 9.1 615.6 6.09 DLB-1-20 < 1.38 128.69 129.15 1 0.12022 0.00249 5.81465 0.06395 0.35073 0.00359 0.10307 0.00095 1959.4 36.48 1948.6 9.53 1938.1 17.12 1982.7 17.5 DLB-1-21 1.76 34.79 61.83 0.56 0.16808 0.00349 11.21597 0.12579 0.48387 0.00504 0.13987 0.00143 2538.6 34.41 2541.2 10.46 2544.1 21.9 2646.1 25.42 DLB-1-22 1.47 104.61 141.96 0.74 0.11507 0.00238 5.3613 0.05883 0.33783 0.00345 0.10167 0.00095 1881 36.82 1878.7 9.39 1876.2 16.62 1957.2 17.47 DLB-1-23 < 1.19 96.62 87.06 1.11 0.16967 0.0035 11.389 0.12421 0.48674 0.00501 0.13786 0.00128 2554.4 34.14 2555.5 10.18 2556.6 21.73 2610.4 22.8 DLB-1-24 1.4 81.64 105.12 0.78 0.11573 0.00242 5.40938 0.06128 0.33892 0.00349 0.0998 0.00096 1891.3 37.12 1886.3 9.71 1881.5 16.81 1922.7 17.59 DLB-1-25 < 1.35 79.79 67.22 1.19 0.11439 0.00243 5.33418 0.06369 0.33813 0.00353 0.0995 0.00095 1870.3 37.81 1874.4 10.21 1877.7 17.02 1917.3 17.54 DLB-1-26 < 1.21 120.35 75.76 1.59 0.12444 0.00264 6.24731 0.07417 0.36402 0.00382 0.10637 0.001 2020.8 37.11 2011.1 10.39 2001.2 18.03 2043.2 18.3 DLB-1-27 < 1.12 197.75 201.52 0.98 0.11493 0.00237 5.38027 0.05823 0.33943 0.00345 0.1003 0.00091 1878.8 36.76 1881.7 9.27 1883.9 16.63 1931.9 16.78 DLB-1-28 < 1.22 21.8 36.28 0.6 0.10952 0.00244 4.77402 0.06536 0.31607 0.00343 0.09624 0.00113 1791.4 40.02 1780.3 11.49 1770.5 16.81 1857.2 20.75 DLB-1-29 < 1.21 36 87.87 0.41 0.17649 0.00365 12.2693 0.13418 0.50407 0.0052 0.14401 0.00147 2620.1 34 2625.2 10.27 2631.3 22.3 2719.3 25.9 DLB-1-30 < 1.21 26.49 52.93 0.5 0.11076 0.00239 4.98142 0.06238 0.3261 0.00345 0.09504 0.00106 1811.9 38.7 1816.2 10.59 1819.5 16.77 1835.2 19.57 DLB-1-31 1.24 21.26 57.39 0.37 0.11383 0.00246 5.25841 0.06562 0.33494 0.00355 0.09731 0.00116 1861.5 38.46 1862.1 10.65 1862.3 17.13 1876.9 21.34 DLB-1-32 < 1.14 63.19 77.98 0.81 0.11335 0.00241 5.07907 0.0605 0.32488 0.00339 0.0951 0.00094 1853.8 37.96 1832.6 10.11 1813.5 16.51 1836.1 17.31 DLB-1-33 < 0.97 82.14 43.96 1.87 0.11483 0.00252 5.31308 0.06977 0.33548 0.00361 0.09783 0.00094 1877.2 39.06 1871 11.22 1864.9 17.44 1886.5 17.39 DLB-1-34 1.26 93.97 129.75 0.72 0.11673 0.00244 5.55652 0.062 0.34514 0.00354 0.10015 0.00094 1906.7 37.03 1909.4 9.6 1911.3 16.99 1929.2 17.36 DLB-1-35 < 1.33 45.41 46.01 0.99 0.11245 0.00249 4.87211 0.06502 0.31413 0.00339 0.09082 0.00095 1839.4 39.5 1797.4 11.24 1761 16.63 1757.1 17.65 DLB-1-36 < 1.10 74.63 166.91 0.45 0.11985 0.0025 5.839 0.06468 0.35324 0.00362 0.10275 0.001 1953.9 36.75 1952.2 9.6 1950.1 17.26 1976.9 18.35 DLB-1-37 < 1.12 191.41 49.28 3.88 0.16401 0.00339 10.42798 0.12004 0.46128 0.00493 0.11817 0.001 2497.4 34.38 2473.5 10.67 2445.2 21.77 2257.6 18.07 DLB-1-38 < 0.78 25.78 31.67 0.81 0.10908 0.00241 4.78065 0.0665 0.31795 0.00353 0.08693 0.00093 1784.1 39.8 1781.5 11.68 1779.7 17.26 1684.9 17.3 DLB-1-39 < 1.03 118.89 104.08 1.14 0.16645 0.00339 11.12306 0.12116 0.48479 0.00508 0.12562 0.00109 2522.3 33.79 2533.5 10.15 2548.1 22.04 2391.9 19.57 DLB-1-40 < 1.00 24.35 98.69 0.25 0.12411 0.00256 6.25036 0.07137 0.36537 0.00385 0.09708 0.00107 2016.1 36.2 2011.5 10 2007.6 18.19 1872.7 19.67 DLB-1-41 < 1.48 175.61 184.86 0.95 0.16759 0.00343 9.04396 0.10056 0.39149 0.00412 0.11794 0.00105 2533.8 33.96 2342.5 10.17 2129.7 19.1 2253.4 19.03 DLB-1-42 1.65 102.28 127.77 0.8 0.16579 0.00336 10.86621 0.11689 0.47548 0.00495 0.12611 0.00111 2515.6 33.71 2511.7 10 2507.6 21.64 2400.6 19.84 DLB-1-43 < 1.01 22.24 39.59 0.56 0.15998 0.00334 9.55104 0.11348 0.4331 0.00468 0.10843 0.00115 2455.5 34.86 2392.5 10.92 2319.7 21.04 2080.7 21.01 DLB-1-44 < 1.14 21.46 67.1 0.32 0.12318 0.00257 6.19409 0.07327 0.36479 0.00388 0.09624 0.00108 2002.8 36.61 2003.6 10.34 2004.8 18.34 1857.2 19.95 DLB-1-45 < 1.00 51.72 113.96 0.45 0.1137 0.00235 5.28537 0.06014 0.33722 0.00354 0.09162 0.00089 1859.4 36.83 1866.5 9.72 1873.3 17.06 1771.9 16.46 DLB-1-46 < 1.09 33.62 43.05 0.78 0.10833 0.00236 4.69926 0.06266 0.31467 0.00344 0.08328 0.00088 1771.5 39.27 1767.1 11.16 1763.7 16.87 1616.8 16.4 DLB-1-47 < 1.28 162.97 180.67 0.9 0.16718 0.00338 11.22795 0.11919 0.4872 0.00505 0.12781 0.00111 2529.6 33.56 2542.2 9.9 2558.5 21.87 2431.1 19.87 DLB-1-48 < 1.06 210.38 138.43 1.52 0.12347 0.00253 6.14923 0.06852 0.36128 0.00378 0.09698 0.00085 2007 35.97 1997.3 9.73 1988.2 17.88 1870.8 15.59 DLB-1-49 1.35 89.01 89.23 1 0.16164 0.00332 10.4559 0.117 0.46923 0.00495 0.12438 0.00114 2472.9 34.21 2476 10.37 2480.2 21.73 2369.5 20.56 DLB-1-50 < 1.00 47.83 130.36 0.37 0.12184 0.0025 6.09739 0.06802 0.36301 0.00379 0.10106 0.001 1983.3 36.07 1989.9 9.73 1996.4 17.93 1945.9 18.38 DLB-1-51 < 0.92 23.48 39.9 0.59 0.109 0.00274 4.59411 0.08477 0.30572 0.00379 0.08435 0.00134 1782.8 45.24 1748.2 15.39 1719.6 18.71 1636.8 24.95 DLB-1-52 < 1.08 133.07 130.61 1.02 0.16788 0.00342 11.12641 0.12122 0.48074 0.00502 0.12935 0.00116 2536.6 33.76 2533.8 10.15 2530.5 21.87 2458.7 20.83 DLB-1-53 < 1.02 65.5 142.96 0.46 0.11647 0.00238 5.43957 0.05993 0.33878 0.00352 0.09695 0.00091 1902.7 36.31 1891.1 9.45 1880.8 16.95 1870.4 16.85 DLB-1-54 < 1.13 137.38 154.1 0.89 0.11816 0.00242 5.67031 0.06318 0.34808 0.00363 0.09709 0.00088 1928.6 36.31 1926.9 9.62 1925.4 17.35 1872.9 16.25 DLB-1-55 < 0.99 36.57 59.02 0.62 0.11387 0.0024 5.26728 0.06367 0.33551 0.00357 0.09329 0.00095 1862.1 37.51 1863.6 10.32 1865 17.24 1802.8 17.61 DLB-1-56 1.29 8.71 213.01 0.04 0.11535 0.00235 5.41295 0.05898 0.34039 0.00352 0.07511 0.00127 1885.3 36.28 1886.9 9.34 1888.5 16.95 1463.9 23.78 DLB-1-57 0.97 60.36 145.36 0.42 0.18056 0.00366 12.66076 0.13492 0.50859 0.00527 0.12603 0.0012 2658 33.18 2654.7 10.03 2650.6 22.53 2399.2 21.51 DLB-1-58 < 1.04 72.71 162.26 0.45 0.16161 0.00328 10.26112 0.10966 0.46051 0.00477 0.13281 0.00124 2472.6 33.82 2458.6 9.89 2441.8 21.05 2520.5 22.17 DLB-1-59 < 1.14 15.33 25.92 0.59 0.11312 0.00263 5.09366 0.08026 0.32661 0.0038 0.09111 0.00125 1850.1 41.53 1835 13.37 1821.9 18.46 1762.3 23.2 DLB-1-60 < 1.07 31.34 62.89 0.5 0.11015 0.00235 4.94568 0.06265 0.32566 0.00351 0.09211 0.00103 1801.8 38.38 1810.1 10.7 1817.3 17.05 1780.9 19.11 DLB-1-61 1.24 48.78 130.45 0.37 0.11775 0.00244 5.43015 0.06205 0.33447 0.0035 0.0971 0.00101 1922.4 36.62 1889.6 9.8 1860 16.93 1873 18.66 DLB-1-62 < 1.46 42.07 51.26 0.82 0.11577 0.00249 5.39378 0.06996 0.3379 0.00367 0.09565 0.00102 1891.9 38.27 1883.9 11.11 1876.6 17.7 1846.4 18.73 DLB-1-63 < 0.99 23.88 54.18 0.44 0.10772 0.00231 4.70383 0.05992 0.31671 0.00341 0.0914 0.00106 1761.2 38.64 1767.9 10.67 1773.6 16.67 1767.8 19.59 DLB-1-64 < 1.01 146.46 135.22 1.08 0.16714 0.00339 11.27171 0.12048 0.48911 0.00506 0.13152 0.00119 2529.2 33.63 2545.9 9.97 2566.8 21.92 2497.5 21.31 DLB-1-65 < 1.05 13.18 16.07 0.82 0.11262 0.0027 5.07427 0.08494 0.32676 0.00386 0.09234 0.00122 1842.2 42.75 1831.8 14.2 1822.6 18.77 1785.3 22.52 DLB-1-66 2.89 243.93 400.87 0.61 0.15736 0.00318 6.34601 0.06643 0.29248 0.003 0.09847 0.00089 2427.5 33.83 2024.8 9.18 1653.9 14.94 1898.4 16.33 DLB-1-67 3.23 91.92 681.34 0.13 0.11435 0.00232 2.09822 0.02227 0.13308 0.00136 0.05801 0.00057 1869.6 36.14 1148.2 7.3 805.4 7.75 1139.7 10.89 DLB-1-68 < 0.80 85.52 166.34 0.51 0.11829 0.00241 5.61018 0.06048 0.34395 0.00354 0.09992 0.00094 1930.6 35.99 1917.7 9.29 1905.7 17 1924.9 17.3 DLB-1-69 < 1.00 28.59 43.48 0.66 0.16445 0.00343 10.74174 0.12791 0.47371 0.00512 0.13611 0.00147 2501.9 34.72 2501 11.06 2499.8 22.39 2579.3 26.17 DLB-1-70 < 1.19 62.39 210.58 0.3 0.11281 0.00229 5.19131 0.05571 0.33373 0.00343 0.10019 0.00098 1845.1 36.33 1851.2 9.14 1856.5 16.58 1929.8 17.98 DLB-1-71 0.85 95.54 206.62 0.46 0.11372 0.00232 5.31421 0.05747 0.33888 0.00349 0.10073 0.00096 1859.7 36.34 1871.2 9.24 1881.3 16.81 1939.8 17.67 DLB-1-72 0.89 127.6 103.71 1.23 0.11405 0.00234 5.26654 0.05884 0.33487 0.00348 0.09919 0.00092 1864.9 36.65 1863.5 9.53 1861.9 16.79 1911.5 16.92 DLB-1-73 < 0.62 52.17 106.45 0.49 0.11515 0.0024 5.23115 0.06158 0.32945 0.00347 0.09852 0.00105 1882.2 37.14 1857.7 10.03 1835.7 16.82 1899.2 19.28 DLB-1-74 < 1.13 56.77 63.32 0.9 0.16757 0.00354 10.97485 0.13543 0.47494 0.00522 0.1404 0.00152 2533.5 34.97 2521 11.48 2505.2 22.8 2655.4 26.91 DLB-1-75 < 0.79 93 101.71 0.91 0.11757 0.00242 5.60564 0.06281 0.34574 0.00359 0.1029 0.00098 1919.6 36.44 1917 9.65 1914.2 17.21 1979.7 18.05 DLB-1-76 < 1.30 68.51 217.93 0.31 0.11611 0.00239 4.08081 0.04589 0.25486 0.00264 0.08478 0.0009 1897.2 36.61 1650.5 9.17 1463.5 13.57 1644.8 16.68 DLB-1-77 < 0.80 163.03 201.74 0.81 0.11441 0.00234 5.36104 0.05847 0.3398 0.0035 0.10052 0.00095 1870.6 36.39 1878.7 9.33 1885.7 16.85 1936 17.48 DLB-1-78 < 0.97 78.61 94.78 0.83 0.12239 0.00252 6.11826 0.06907 0.36249 0.00378 0.10728 0.00105 1991.3 36.21 1992.9 9.85 1994 17.88 2059.7 19.15 
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表 2 庞家堡地区花岗岩脉锆石LA-ICP-MS U-Th-Pb分析结果
Table 2. LA-ICP-MS U-Th-Pb analysed results of zircons from the granite vein in the Pangjiabu area
点号 含量/10-6 Th/U 同位素比值 年龄/Ma 204Pb 232Th 238U 207Pb/206Pb± 207Pb/235U± 206Pb/U238± 208Pb/232Th± 207Pb/206Pb± 207Pb/235U± 206Pb/238U± 208/Pb/232Th± PJB-11-01 < 1.05 567.8 295.55 1.92 0.0507 0.00141 0.21821 0.0046 0.03122 0.00033 0.0094 0.00009 227.2 63.12 200.4 3.83 198.2 2.07 189.2 1.87 PJB-11-02 1.26 343.14 231.08 1.48 0.05115 0.00141 0.2208 0.00455 0.03131 0.00033 0.00969 0.0001 247.8 62.08 202.6 3.79 198.7 2.06 195 1.98 PJB-11-03 < 1.05 149.67 126.44 1.18 0.04846 0.0016 0.20771 0.00567 0.03109 0.00034 0.00978 0.00012 121.7 75.79 191.6 4.77 197.3 2.14 196.8 2.31 PJB-11-04 < 1.07 231.34 185.21 1.25 0.05178 0.00153 0.22634 0.00527 0.0317 0.00034 0.0108 0.00012 275.8 66.41 207.2 4.36 201.2 2.15 217.1 2.39 PJB-11-05 2.3 323.13 251.59 1.28 0.05181 0.00148 0.22781 0.00502 0.03189 0.00034 0.00989 0.00011 277.2 64.15 208.4 4.15 202.3 2.13 198.9 2.14 PJB-11-06 < 1.21 324.53 213.02 1.52 0.05217 0.00138 0.22932 0.00441 0.03188 0.00033 0.01003 0.0001 292.9 59.1 209.6 3.64 202.3 2.08 201.7 2 PJB-11-07 < 1.19 227.83 176.64 1.29 0.05208 0.00165 0.22832 0.00591 0.03179 0.00036 0.01013 0.00012 289.1 70.89 208.8 4.88 201.8 2.23 203.7 2.41 PJB-11-08 < 1.51 451.22 252.42 1.79 0.05112 0.00198 0.21908 0.00742 0.03108 0.00038 0.00935 0.00012 246.4 86.96 201.1 6.18 197.3 2.38 188.1 2.4 PJB-11-09 3.07 61.96 79.66 0.78 0.05098 0.00268 0.22806 0.0111 0.03244 0.00047 0.01119 0.00024 239.9 116.88 208.6 9.18 205.8 2.91 224.9 4.85 PJB-11-10 < 1.23 149.63 138.11 1.08 0.05146 0.00167 0.22413 0.00598 0.03159 0.00035 0.01032 0.00013 261.4 72.71 205.3 4.96 200.5 2.21 207.5 2.55 PJB-11-12 < 0.81 249.67 121.49 2.06 0.05103 0.00214 0.21936 0.00819 0.03117 0.0004 0.01041 0.00013 242.1 93.9 201.4 6.82 197.9 2.48 209.4 2.64 PJB-11-13 < 1.35 177.09 161.58 1.1 0.05029 0.00161 0.2205 0.0058 0.03179 0.00036 0.01054 0.00013 208.6 72.69 202.3 4.83 201.7 2.22 212 2.57 PJB-11-14 < 0.89 153.63 128.62 1.19 0.05023 0.00211 0.21786 0.00814 0.03145 0.0004 0.01053 0.00016 205.5 94.52 200.1 6.79 199.6 2.5 211.8 3.16 PJB-11-15 < 0.93 122.91 107.14 1.15 0.0529 0.0018 0.23343 0.00668 0.03199 0.00037 0.0104 0.00013 324.6 75.51 213 5.5 203 2.31 209.2 2.7 PJB-11-17 < 1.10 149.92 118.35 1.27 0.05153 0.00192 0.22824 0.00736 0.03212 0.00038 0.0103 0.00014 264.5 83.29 208.7 6.09 203.8 2.4 207.2 2.78 PJB-11-18 < 1.18 300.95 185.05 1.63 0.05112 0.00142 0.22268 0.00468 0.03159 0.00034 0.00981 0.0001 246 62.53 204.1 3.89 200.5 2.1 197.2 2.02 PJB-11-19 < 1.34 208.47 147.41 1.41 0.05121 0.00159 0.22347 0.00564 0.03164 0.00035 0.01037 0.00012 250.1 70.08 204.8 4.68 200.8 2.2 208.5 2.35 PJB-11-21 1.4 252.74 151.37 1.67 0.05141 0.00155 0.22398 0.00539 0.03159 0.00035 0.01003 0.00011 259.4 67.78 205.2 4.47 200.5 2.18 201.8 2.18 PJB-11-22 < 1.28 108.3 102.94 1.05 0.05007 0.00169 0.22155 0.00628 0.03208 0.00036 0.01019 0.00013 198.2 76.53 203.2 5.22 203.6 2.26 204.9 2.59 PJB-11-23 < 1.17 171.06 128.47 1.33 0.05435 0.00188 0.23549 0.00689 0.03141 0.00037 0.0101 0.00013 385.6 75.17 214.7 5.66 199.4 2.29 203.1 2.56 PJB-11-24 < 1.11 162.15 124.21 1.31 0.04894 0.00157 0.21716 0.00573 0.03217 0.00036 0.00999 0.00012 144.7 73.4 199.5 4.78 204.1 2.23 200.8 2.32 PJB-11-25 < 1.13 207.02 179.36 1.15 0.05089 0.00143 0.22109 0.00478 0.0315 0.00034 0.01027 0.00011 235.8 63.58 202.8 3.97 199.9 2.12 206.6 2.28 PJB-11-26 < 0.98 215.6 162.16 1.33 0.05068 0.00144 0.22441 0.00492 0.0321 0.00035 0.01047 0.00011 226.2 64.22 205.6 4.08 203.7 2.16 210.6 2.27 PJB-11-27 < 1.17 407.42 236.34 1.72 0.05115 0.00136 0.22547 0.00446 0.03196 0.00034 0.01019 0.0001 247.5 60.23 206.5 3.69 202.8 2.12 205 2.06 PJB-11-28 < 1.25 164.77 132.17 1.25 0.05127 0.00155 0.22553 0.00545 0.03189 0.00035 0.0103 0.00012 253 67.9 206.5 4.51 202.4 2.21 207.1 2.4 PJB-11-29 < 1.29 251.28 192.2 1.31 0.04879 0.00133 0.21626 0.00447 0.03213 0.00034 0.01039 0.00011 137.8 62.92 198.8 3.73 203.9 2.14 209 2.18 PJB-11-30 1.08 444.53 253.99 1.75 0.05202 0.00139 0.22615 0.00451 0.03152 0.00034 0.00996 0.0001 286.5 60.04 207 3.73 200 2.11 200.4 2.06
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