Early Cretaceous Extension of Great Xing'an Range: Constraints from Geochemistry and Zircon U-Pb Ages of Orbicular Rocks in Uragai Area, Inner Mongolia, China
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摘要: 大兴安岭火山岩带中南部乌拉盖地区新发现的球状岩石除因其漂亮的构造被人们关注外，其地球化学特征及锆石U-Pb定年对于探讨东北地区大兴安岭演化历史也具有重要意义.在详细的野外地质调查基础上，通过对内蒙古乌拉盖球状岩及其主岩地球化学及Sr-Nd同位素特征等进行综合研究，探讨其源区性质及形成机制.研究结果表明：乌拉盖球状岩及其主岩具有富硅（SiO2=75.35%~76.21%）、富碱（K2O+Na2O=7.30%~7.45%）和低铝（Al2O3=9.82%~11.30%）、镁值（Mg#=4.52~14.47）、铬（Cr=14.5×10-6~22.5×10-6）、镍（Ni=1.84×10-6~3.97×10-6），指示其物质来源于地壳.微量元素和稀土元素具后造山火山岩特征：Rb、Th、K等大离子亲石元素和Nb、Ta、Zr、HREE等高场强元素明显富集，N-MORB标准化图解中Nb负异常不明显，轻重稀土元素分异明显，LREE/HREE=5.21~6.70.初始87Sr/86Sr（0.705 9~0.713 7）高于现代大洋MORB（0.702 29~0.703 34），也显示壳源特征；143Nd/144Nd（0.512 456~0.512 528）则低于现代大洋MORB（0.512 99~0.513 30），εNd值为+4.8~+6.2，又表现亏损地幔的信息.研究认为，乌拉盖球状岩及其主岩岩浆来源于下地壳，且有亏损地幔物质的参与.Sr、Ba、Eu亏损强烈，反映了明显分离结晶作用的存在，岩石形成于板内稳定的构造环境；主量元素及微量元素图解又表现出后造山A型花岗岩特征.年代学研究显示，球状岩没有得到很好的年代学数据，其可能具低温富流体的特征、新生结晶锆石偏少，大量的捕获锆石或其他难容矿物可能为球状岩球粒的生长提供物质基础；球状岩主岩文象花岗岩锆石LA-ICP-MS U-Pb成岩年龄为142.2±2.7 Ma，侵入球状岩的辉绿岩脉年龄平均为140.5 Ma，主岩的围岩正长斑岩获得锆石LA-ICP-MS U-Pb成岩年龄为349.5±3.4 Ma，综合判断球状岩的成岩时代为早白垩世早期（~141 Ma）.综合研究表明，乌拉盖地区球状岩石及其主岩形成机制与大兴安岭火山岩带晚期岩浆活动有关，主要受控于白垩世早期蒙古-鄂霍茨克洋闭合后造山伸展体制下的构造背景，是大兴安岭大规模区域伸展作用、岩浆底侵的产物.Abstract: In addition to its beautiful structure, the newly discovered orbicular rocks in the central and southern parts of the Great Xing'an volcanic belt in the Uragai region are of great importance to the exploration of the subduction history of the Great Xing'an Range in the NE China. On the basis of detailed field geological survey, in this paper it makes a comprehensive study on the geochemistry and Sr-Nd isotope characteristics of the orbicular rocks and its host rocks in Uragai area, Inner Mongolia, and discusses its magmatic source and formation mechanism. The analysis results show that the Uragai orbicular rock and its host rocks have high silica (SiO2=75.35%-76.21%) and alkali (K2O+Na2O=7.30%-7.45%), but low aluminium (Al2O3=9.82%-11.30%), Mg# value (Mg#=4.52-14.47), chromium (Cr=14.5×10-6-22.5×10-6), and nickel (Ni=1.84×10-6-3.97×10-6), indicating a crustal magmatic source. Trace and rare earth elements (REEs) show post-orogenic volcanic rock features: obviously enriched in large ion lithophile elements (LILEs, e.g., Rb, Th, K, LREE) and high field strength elements (HFSEs, e.g., Nb, Ta, Zr, HREE). The Nb negative anomaly is not obvious in N-MORB standardized diagram, with significant differentiation between light rare earth elements (LREE) and heavy rare earth elements (HREE) (LREE/HREE=5.21-6.70). The initial 87Sr/86Sr (0.705 9-0.713 7) is higher than the MORB of modern ocean (0.702 29-0.703 34), which also suggests a crustal source. However, the 143Nd/144Nd (0.512 456-0.512 528) was lower than the value of modern oceans (0.512 99-0.513 30), and with εNd value from +4.8 to +6.2, which shows depleted mantle signature. Study shows that the magmatic source of Uragai orbicular rock and its host rocks originated from the lower crust, and with participation of depleted mantle material. The obviously depleted Sr, Ba and Eu suggest the fractional crystallization course, and the rocks formed in a stable in-plate tectonic environment. Major and trace element diagrams also show the post-orogenic A-type granite features. The study shows that the orbicular rocks have few reliable geological ages, probably resulted from sufficient low temperature fluids which blocked the crystallization course. The abundant trapped zircons or other refractory minerals may provide a material basis for the formation of orbicular rocks. The zircon LA-ICP-MS U-Pb age of graphic granite in the main face of the orbicular rocks is 142.2±2.7 Ma, and the average age of diabase dikes in the orbicular rocks is 140.5 Ma, and the zircon LA-ICP-MS U-Pb age obtained from orthophyre, which is surrounding rocks of the main face of the orbicular rocks, is 349.5±3.4 Ma, These age information restricted the formation age of orbicular rocks at Early Cretaceous(141 Ma±), its host rocks is Early Carboniferous, which is totally different with host rocks of orbicular rocks in and abroad. Comprehensive research shows that the formation mechanism of orbicular rock and its host rocks in Uragai area is related to late stage magmatic activity in the Great Xing'an volcanic belt, largely controlled by the post-orogenic extension tectonic setting of the Mongol-Okhotsk Ocean in the Early Cretaceous, and it is a product of the large-scale regional extension and strong magmatic underplating in the Great Xing'an Range.
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Key words:
- orbicular rock /
- isotope chronology /
- geochemistry /
- regional extension /
- Great Xing'an Range /
- Uragai area /
- Inner Mongolia
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图 1 乌拉盖苏木一带大地构造位置及区域地质略图（据汪岩等，2017修改）
1.全新统；2.上更新世；3.上新统五岔沟组；4.上新统百岔河组；5.早白垩世文象花岗岩；6.上侏罗统玛尼吐组；7.上侏罗统满克头鄂博组；8.中侏罗统塔木兰沟组；9.上石炭统-下二叠统宝力高庙组；10.上志留统卧都河组；11.下奥陶统铜山组；12.晚侏罗世花岗斑岩；13.晚侏罗世少斑状正长岩；14.早二叠世石英闪长岩；15.早石炭世正长斑岩；16.中奥陶世石英闪长岩；17.地质界线/推测断层；18.球状岩产出位置
Fig. 1. Geological sketch map of Uragaisumu area, showing the position of the exposed orbicular rocks
图 2 乌拉盖球状岩等野外宏观照片
a.浅绿色单壳层球状流纹斑岩; b.灰绿色多壳层大球状流纹斑岩; c.肉红色微细粒文象花岗岩; d.灰绿色多壳层流纹斑岩; e.灰绿色多壳层扁豆状流纹斑岩; f.球状流纹斑岩侵入微细粒文象花岗岩
Fig. 2. Field outcrop photos of the orbicular rocks in Uragai area
图 3 乌拉盖球状岩等显微镜下照片
a.球状体和外壳，外壳由长柱状、针状碱性闪石环绕; b.球状体的单、薄壳层及球状基质特征; c.球状体内部层呈明显圈层构造及3个亚层特征; d.球状体中部层叠瓦式、雨滴状等气孔杏仁体; e.球状体外部层云朵状长英质隐晶集合体上点缀放射状杏仁体, 球状体外部层长英质成分不均匀分布呈现的圈层; f.球粒微细粒文象花岗岩
Fig. 3. Micro-section photos of the orbicular rocks in Uragai area
图 4 乌拉盖球状岩等(Na2O+K2O)-SiO2和K2O-SiO2图解
底图a据Wilson(1989), 底图b据Rickwood(1989)
Fig. 4. Plot of total alkali vs. SiO2(TAS) (a) and plot of SiO2 vs. K2O (b) for the orbicular rocks in Uragai area
图 5 乌拉盖球状岩等A/NK-A/CNK图解
Fig. 5. Plot of A/CNK vs. A/NK for the orbicular rocks in Uragai area
图 6 乌拉盖球状岩等(Na2O+K2O－CaO)-SiO2和(FeOT/(FeOT+MgO)-SiO2)判别图解
Fig. 6. Plot of SiO2 vs. (Na2O+K2O－CaO) and SiO2 vs. FeOT/(FeOT+MgO) for the orbicular rocks in Uragai area
图 7 乌拉盖球状岩等稀土元素配分图（a）和微量元素蛛网图（b）
球粒陨石和原始地幔标准值均据Sun and McDonough(1989)
Fig. 7. Chondrite-normalized REE patterns and primitve mantle-normalized trace element spider diagrams for the orbicular rocks in Uragai area
图 8 乌拉盖球状岩等岩石类型判别图解(底图据Whalen et al., 1987)
Fig. 8. The discriminant diagrams for rock types of the orbicular rocks in Uragai area(diagrams after Whalen et al., 1987)
图 9 微细粒文象花岗岩锆石阴极发光（CL）图像
Fig. 9. Cathodoluminescence images of analyzed zircon from the graphic granite
图 10 微细粒文象花岗岩锆石U-Pb谐和曲线
Fig. 10. LA-ICP-MS U-Pb age concordia diagram and weighted average ages from the graphic granite
图 11 正长斑岩锆石阴极发光（CL）图像
Fig. 11. Cathodoluminescence images of analyzed zircon from the orthophyre
图 12 正长斑岩锆石U-Pb谐和曲线
Fig. 12. LA-ICP-MS U-Pb age concordia diagram and weighted average ages from the orthophyre
图 14 (87Sr/86Sr)i-εNd关系图解
底图据Zhou et al.(2008); DM、EMI和EMII数据引自Zindler and Hart(1986); 大兴安岭火山岩数据引自Ying et al.(2010); 松辽盆地火山岩数据引自Li et al.(2012)
Fig. 14. Diagram of (87Sr/86Sr)i vs. εNd
图 15 La/Sm-La关系图解（底图据王中刚等，1989）
Fig. 15. Diagram of La vs. La/Sm(diagram after Wang et al., 1989)
图 16 R1-R2(a)、Rb-(Y+Nb)(b)、Nb-Y-3Ga(c)和Nb-Y-Ce(d)构造环境判别图解
图a底图据Batchelor and Bowden(1985), 图b底图据Pearce et al.(1984), 图c和图d底图据Eby(1992). ①地幔斜长花岗岩；②板块碰撞前花岗岩；③板块碰撞后隆起期花岗岩；④晚造山期花岗岩；⑤非造山区花岗岩；⑥同碰撞花岗岩；⑦造山期后A型花岗岩. Syn-COLG.同碰撞花岗岩；VAG.火山弧花岗岩；WPG.板内花岗岩；POG.后造山花岗岩；ORG.洋中脊花岗岩；A1.非造山A型花岗岩；A2.后造山A型花岗岩
Fig. 16. R1-R2(a), Rb-(Y+Nb)(b), Nb-Y-3Ga (c) and Nb-Y-Ce (d) tectonic discriminant diagrams
表 1 乌拉盖球状岩等主量元素、稀土及微量元素质量分数
Table 1. Contents of major, trace elements and REE for the orbicular rocks in Uragai area
序号 送样号 岩性 SiO2 TiO2 Al2O3 Fe2O3 FeO MnO MgO CaO Na2O K2O P2O5 烧失量 总和 Na2O+
K2OK2O /Na2O 1 D16073b 球状流纹斑岩 76.18 0.24 10.11 2.94 1.12 0.094 0.350 0.41 2.59 4.46 0.056 0.90 99.45 7.15 1.72 2 D16081b1 球状碱性流纹斑岩 76.06 0.24 10.27 2.06 1.80 0.130 0.099 0.40 3.73 4.71 0.033 0.40 99.92 8.48 1.26 3 D16081b2 球状碱性流纹斑岩 75.69 0.25 10.33 2.00 1.89 0.120 0.097 0.43 3.62 4.68 0.038 0.48 99.61 8.37 1.29 4 D16081b3 球粒文象花岗岩 76.00 0.25 10.24 3.64 0.45 0.160 0.350 0.29 3.06 4.68 0.040 1.18 100.35 7.81 1.53 5 D16081b4 球粒文象花岗岩 76.05 0.25 10.41 3.50 0.67 0.067 0.230 0.28 2.76 4.45 0.053 1.14 99.86 7.30 1.61 6 D16074b 石英微晶正长岩 76.21 0.19 11.30 2.50 0.68 0.066 0.170 0.84 4.00 3.47 0.054 0.71 100.19 7.51 0.87 7 D16071b1 微细粒文象花岗岩 75.43 0.28 9.95 4.78 0.63 0.140 0.210 0.34 2.18 4.90 0.047 1.22 100.11 7.16 2.25 8 D16071b2 微细粒文象花岗岩 75.35 0.27 9.82 5.14 0.45 0.160 0.170 0.26 2.34 5.04 0.043 0.86 99.90 7.45 2.15 序号 A/CNK Mg# La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Y ∑REE LREE/HREE δEu 1 1.03 14.33 24.4 87.1 7.92 33.4 6.86 0.77 6.50 1.20 6.89 1.48 3.81 0.65 4.13 0.60 40.5 185.71 6.35 0.35 2 0.86 4.65 44.3 95.9 14.20 59.8 12.20 1.13 11.20 2.05 11.70 2.48 6.50 1.14 7.34 1.09 66.7 271.03 5.23 0.29 3 0.88 4.52 30.6 67.6 9.87 41.3 8.27 0.77 7.37 1.33 7.40 1.55 4.04 0.71 4.65 0.69 40.5 186.15 5.71 0.30 4 0.96 14.47 16.9 143.0 6.83 28.2 6.52 0.81 6.39 1.50 9.24 2.30 6.28 1.14 7.25 1.01 56.8 237.37 5.76 0.38 5 1.06 9.78 11.0 84.4 4.38 17.7 3.95 0.49 3.88 0.91 5.95 1.41 3.89 0.71 4.55 0.65 37.6 143.87 5.55 0.38 6 0.95 9.46 53.4 131.0 16.00 64.8 12.6 1.06 11.50 2.02 11.4 2.30 5.97 1.07 6.40 0.96 59.3 320.48 6.70 0.26 7 1.05 7.12 20.4 86.6 7.29 29.4 6.27 0.30 5.78 1.21 7.67 1.69 4.57 0.83 5.30 0.77 44.7 178.08 5.40 0.15 8 1.00 5.69 33.8 117.0 12.00 48.7 10.20 0.45 9.22 1.91 11.70 2.55 6.85 1.23 8.03 1.15 67.2 264.79 5.21 0.14 序号 δCe (La/Yb)N (La/Sm)N Ba Ga Nb Rb Sr V Zr Hf Ta Li Sc Co Cr Ni Th U Be 1 1.46 3.99 2.24 601.00 22.3 31.5 103.0 74.4 10.60 799 6.69 2.14 7.38 2.07 1.36 21.2 1.84 8.18 1.85 1.50 2 0.89 4.08 2.29 8.54 25.7 31.1 121.0 46.1 10.10 799 10.7 1.24 12.30 2.35 2.72 22.5 3.15 10.80 2.59 3.07 3 0.91 4.45 2.33 20.80 26.7 30.6 122.0 50.0 7.67 800 7.41 2.78 9.87 1.68 2.66 15.6 2.28 7.57 1.74 2.11 4 3.12 1.58 1.63 196.00 24.1 29.7 103.0 36.4 10.20 785 9.79 1.51 28.10 3.06 2.28 17.9 3.97 13.80 3.65 3.37 5 2.85 1.63 1.75 160.00 26.6 30.6 106.0 30.7 13.50 804 7.17 1.32 18.70 2.04 1.44 16.7 2.79 9.13 2.32 2.15 6 1.04 5.64 2.67 52.20 22.3 35.2 87.1 104 9.23 887 14.10 1.56 7.91 7.18 3.68 14.5 3.51 11.80 3.64 4.83 7 1.66 2.60 2.05 116.00 34.2 38.5 159.0 27.4 11.70 1
2007.35 1.87 8.20 1.70 1.05 19.5 1.88 8.82 2.08 3.42 8 1.36 2.84 2.09 109.00 35.6 34.7 158.0 28.3 10.90 1
1009.99 2.33 8.64 2.30 2.23 15.8 1.98 12.50 2.88 5.19 注：主量元素质量分数单位为%；微量元素质量分数单位为10-6. 
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表 2 乌拉盖球状岩等Sr-Nd同位素组成
Table 2. Sr and Nd isotopic compositions of the orbicular rocks in Uragai area
序号 送样号 Rb(10-6) Sr(10-6) 87Rb/86Sr 87Sr/86Sr Sm(10-6) Nd(10-6) 147Sm/144Nd 143Nd/144Nd (87Sr/86Sr)i εNd TDM 1 D16081b1 121 46.1 7.41 0.742 69 12.2 59.8 0.128 22 0.512 79 0.707 8 5.9 644 2 D16081b2 122 50.0 6.89 0.738 96 8.27 41.3 0.125 85 0.512 80 0.706 5 6.2 609 3 D16081b3 103 36.4 7.99 0.743 55 6.52 28.2 0.145 32 0.512 77 0.705 9 4.8 848 4 D16081b4 106 30.7 9.75 0.752 27 3.95 17.7 0.140 26 0.512 77 0.706 4 5.0 783 5 D16071b1 159 27.4 16.39 0.789 44 6.27 29.4 0.134 04 0.512 77 0.712 3 5.1 739 6 D16071b2 158 28.3 15.77 0.787 91 10.20 48.7 0.131 64 0.512 79 0.713 7 5.7 671 注：各样品岩性同表 1.
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表 3 乌拉盖球状岩中微细粒文象花岗岩（D16071b1）锆石LA-ICP-MS U-Pb分析结果
Table 3. Analysis of LA-ICP-MS U-Pb analysis of graphic granite zircons(D16071b1) in Uragai orbicular rocks
测试编号 Pb Th U Th/U 同位素比值 同位素年龄(Ma) (10-6) 207Pb/206Pb 1σ 207Pb/235U 1σ 206Pb/238U 1σ 207Pb/206Pb 1σ 207Pb/235U 1σ 206Pb/238U 1σ 1 51.6 337.9 371.3 0.91 0.048 3 0.001 3 0.149 0 0.005 2 0.022 4 0.000 5 122.3 47.2 141.1 4.6 142.7 3.2 2 12.0 78.0 73.6 1.06 0.049 4 0.002 6 0.155 5 0.008 2 0.022 9 0.000 8 168.6 122.1 146.7 7.2 145.9 5.0 3 53.1 209.9 189.6 1.11 0.051 7 0.001 5 0.262 3 0.010 1 0.036 7 0.000 9 272.3 61.1 236.6 8.1 232.5 5.4 4 52.5 20.4 4.0 5.04 0.823 7 0.021 0 31.719 7 6.590 2 0.280 3 0.058 4 0 0 3 541.6 204.6 1 593.0 293.9 5 126.0 264.3 240.6 1.10 0.054 9 0.001 0 0.538 1 0.018 0 0.071 0 0.002 0 409.3 38.9 437.2 11.9 442.4 11.9 6 10.6 66.6 78.8 0.84 0.048 1 0.002 3 0.149 4 0.007 8 0.022 5 0.000 7 105.6 111.1 141.3 6.9 143.6 4.4 7 14.8 94.0 82.0 1.15 0.051 1 0.002 4 0.163 9 0.007 5 0.023 3 0.000 6 255.6 111.1 154.1 6.6 148.4 4.0 8 87.0 413.3 519.9 0.80 0.048 8 0.000 9 0.206 2 0.005 8 0.030 7 0.000 8 200.1 50.0 190.4 4.9 194.7 4.8 9 30.5 59.1 134.9 0.44 0.055 2 0.001 3 0.540 9 0.019 4 0.071 1 0.002 1 416.7 -47.2 439.0 12.8 442.8 12.6 10 21.4 141.2 173.3 0.81 0.049 1 0.002 1 0.147 7 0.006 9 0.021 8 0.000 5 150.1 91.7 139.8 6.1 139.3 3.4 11 53.4 354.5 356.7 0.99 0.047 8 0.001 2 0.148 2 0.005 0 0.022 5 0.000 6 87.1 41.7 140.4 4.4 143.4 3.8 12 42.7 258.4 242.8 1.06 0.067 8 0.003 8 0.201 0 0.011 5 0.021 5 0.000 5 862.7 102.8 186.0 9.8 137.3 3.2 13 35.7 98.2 220.2 0.45 0.052 5 0.001 4 0.343 2 0.011 2 0.047 5 0.001 2 305.6 61.1 299.6 8.5 298.9 7.7 14 40.1 125.6 194.6 0.65 0.059 8 0.001 4 0.331 5 0.010 6 0.040 2 0.001 0 598.2 41.7 290.7 8.1 253.8 6.2 15 126.0 41.4 67.8 0.61 0.158 7 0.002 1 9.174 5 0.235 0 0.419 2 0.010 3 2 442.6 22.2 2 355.6 23.9 2 256.7 47.0 16 100.0 268.3 250.7 1.07 0.080 3 0.003 9 0.524 7 0.034 2 0.047 1 0.001 2 1 205.6 94.4 428.3 22.8 296.9 7.3 17 67.0 228.8 307.1 0.75 0.052 9 0.001 3 0.285 3 0.007 9 0.039 1 0.000 7 327.8 55.5 254.8 6.2 247.0 4.4 18 278.0 133.7 136.9 0.98 0.203 2 0.058 9 4.014 4 1.599 3 0.113 6 0.014 5 2 853.7 474.1 1 637.1 323.9 693.5 84.2 19 94.0 179.9 185.6 0.97 0.065 8 0.001 3 0.691 9 0.019 1 0.076 3 0.001 6 798.2 44.4 534.0 11.5 473.8 9.6 20 36.6 103.6 122.7 0.84 0.064 3 0.006 4 0.419 9 0.049 2 0.046 9 0.001 2 750.0 211.1 356.0 35.2 295.7 7.5
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表 4 乌拉盖球状岩围岩正长斑岩（D16070b1）锆石LA-ICP-MS U-Pb分析结果
Table 4. Analysis of LA-ICP-MS U-Pb analysis of orthophyre zircons (D16071b1) in the main rock of Uragai orbicular rocks
测试编号 Pb Th U Th/U 同位素比值 同位素年龄(Ma) (10-6) 207Pb/206Pb 1σ 207Pb/235U 1σ 206Pb/238U 1σ 207Pb/206Pb 1σ 207Pb/235U 1σ 206Pb/238U 1σ 1 53.2 138.0 241.8 0.570 5 0.053 1 0.001 1 0.409 8 0.011 8 0.056 0 0.001 3 331.5 44.4 348.8 8.6 351.2 8.2 2 8.4 35.4 43.9 0.807 5 0.050 9 0.002 6 0.247 5 0.013 6 0.035 3 0.000 8 235.3 122.2 224.5 11.1 223.5 5.0 3 38.1 100.5 178.1 0.564 3 0.053 8 0.001 1 0.405 1 0.010 6 0.054 6 0.001 0 361.2 63.9 345.3 7.7 342.7 6.3 4 73.0 188.1 268.1 0.701 6 0.054 3 0.001 0 0.420 2 0.012 3 0.056 1 0.001 3 383.4 44.4 356.2 8.8 351.8 8.1 5 48.8 120.6 221.6 0.544 3 0.053 3 0.000 9 0.422 8 0.014 3 0.057 4 0.001 5 342.7 52.8 358.1 10.3 360.0 9.4 6 28.1 203.4 243.1 0.836 7 0.051 1 0.001 6 0.140 7 0.005 0 0.020 0 0.000 5 255.6 169.4 133.6 4.4 127.5 3.0 7 95.0 204.1 238.6 0.855 7 0.056 4 0.001 0 0.537 0 0.014 6 0.069 1 0.001 6 477.8 38.9 436.5 9.7 430.6 9.6 8 41.3 107.0 189.8 0.563 7 0.053 3 0.001 2 0.403 8 0.012 3 0.054 9 0.001 3 342.7 63.9 344.4 8.9 344.8 8.0 9 38.4 95.4 188.4 0.506 2 0.054 7 0.001 2 0.416 8 0.014 7 0.055 2 0.001 7 466.7 50.0 353.7 10.5 346.6 10.3 10 59.0 145.2 214.7 0.676 3 0.055 8 0.001 3 0.427 5 0.018 2 0.055 5 0.001 6 442.6 50.0 361.4 13.0 348.0 9.8 11 50.7 131.0 223.3 0.586 4 0.053 4 0.001 0 0.406 5 0.012 1 0.055 2 0.001 4 346.4 44.4 346.3 8.8 346.3 8.8 12 44.1 114.2 188.3 0.606 5 0.053 2 0.001 1 0.404 8 0.011 7 0.055 2 0.001 3 344.5 50.0 345.1 8.5 346.2 7.7 13 64.0 164.1 257.9 0.636 2 0.055 0 0.001 1 0.418 0 0.011 3 0.055 1 0.001 2 413.0 44.4 354.6 8.1 345.9 7.6 14 31.5 79.1 166.1 0.476 6 0.053 5 0.001 0 0.406 9 0.010 7 0.055 2 0.001 1 350.1 30.6 346.7 7.8 346.3 6.9 15 27.5 198.7 234.3 0.848 1 0.047 6 0.001 6 0.134 1 0.005 7 0.020 4 0.000 7 79.7 77.8 127.7 5.2 130.4 4.2 16 79.0 208.2 312.7 0.665 7 0.054 4 0.001 1 0.413 3 0.013 2 0.055 1 0.001 1 387.1 141.7 351.2 9.5 345.5 6.8 17 42.3 111.4 203.6 0.547 3 0.053 7 0.001 0 0.408 3 0.010 7 0.055 1 0.001 2 366.7 38.9 347.6 7.8 345.8 7.1 18 46.9 120.3 213.5 0.563 7 0.052 9 0.001 0 0.413 3 0.012 8 0.056 7 0.001 5 324.1 58.3 351.2 9.3 355.5 9.4 19 77.0 200.5 278.2 0.702 4 0.057 6 0.001 3 0.440 0 0.016 2 0.055 3 0.001 3 516.7 50.0 370.2 11.5 346.7 8.1 20 38.3 100.6 177.5 0.567 0 0.054 0 0.001 3 0.413 9 0.013 0 0.055 6 0.001 4 372.3 55.5 351.7 9.4 348.5 8.5 21 29.3 74.6 154.0 0.484 4 0.053 8 0.001 3 0.411 1 0.011 6 0.055 4 0.001 2 361.2 69.4 349.7 8.4 347.9 7.3 22 40.4 300.8 431.8 0.696 4 0.048 4 0.001 1 0.132 6 0.003 6 0.019 8 0.000 4 120.5 55.6 126.4 3.2 126.6 2.3 23 42.7 109.3 202.0 0.541 1 0.052 8 0.001 2 0.411 5 0.013 5 0.056 5 0.001 5 320.4 55.6 350.0 9.8 354.3 9.0 24 108.0 307.1 322.1 0.953 5 0.053 2 0.000 9 0.401 7 0.009 8 0.054 7 0.001 0 344.5 38.9 342.9 7.2 343.5 6.4 25 53.8 136.7 231.2 0.591 2 0.055 3 0.001 2 0.424 5 0.013 0 0.055 6 0.001 1 433.4 44.4 359.3 9.3 348.9 7.0 26 63.0 165.0 262.6 0.628 1 0.052 9 0.001 0 0.411 2 0.010 7 0.056 3 0.001 2 327.8 30.6 349.8 7.8 353.2 7.6 27 40.1 103.4 183.7 0.562 8 0.053 3 0.001 3 0.412 5 0.014 5 0.056 1 0.001 3 342.7 63.9 350.7 10.4 351.6 8.2 28 34.2 83.1 165.2 0.502 9 0.053 6 0.001 2 0.421 9 0.013 5 0.057 1 0.001 6 353.8 41.7 357.4 9.7 358.1 9.8 29 35.8 86.9 178.5 0.486 9 0.055 0 0.001 3 0.428 9 0.015 8 0.056 4 0.001 3 413.0 50.0 362.4 11.3 353.9 7.7 30 36.0 91.6 187.7 0.488 1 0.052 6 0.001 1 0.409 5 0.011 5 0.056 4 0.001 3 322.3 44.4 348.5 8.3 353.6 7.8
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