Zircon U-Pb age and geochemistry of TTG rocks in Xiaohongshan area of the Beishan orogenic belt, Inner Mongolia, and their constraints on the properties of the Baihe Mountain tectonic belt
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摘要:
分布于内蒙北山地区小红山南一带的晚石炭世花岗岩，是由英云闪长岩（T1）、花岗闪长岩（G1）和奥长花岗岩（T2）组成的一套TTG岩石组合。该套组合具有富硅、富钠、低铝的地球化学特征，稀土元素总量偏低，∑REE=27.86×10-6~104.56×10-6，轻稀土元素富集，LREE/HREE值为4.71~22.76，（La/Yb）值为4.78~43.18，δEu为0.62~1.72，稀土元素配分曲线为右倾型，微量元素总体表现为富集大离子亲石元素（LILEs），亏损高场强元素（HFSEs），且具有明显的Nb、P、Ti负异常，Y、Yb含量低。利用LA-ICP-MS锆石U-Pb同位素测定技术，测得该套TTG组合酸性侵入体中花岗闪长岩、英云闪长岩、奥长花岗岩206Pb/238U年龄加权平均值分别为315.6±1.6 Ma、310.8±1.4 Ma、305±1.9 Ma，形成于晚石炭世。研究认为，小红山晚石炭世TTG花岗岩组合具有陆缘弧花岗岩的成因特点，形成于石炭纪百合山弧间洋盆向南侧陆缘消减过程中洋壳俯冲板片的部分熔融，这套与百合山蛇绿岩同期形成的明水陆缘弧的发育，指示了百合山构造带形成于弧盆体系的演化阶段。
Abstract:The Late Carboniferous granites distributed in the south of Xiaohong Mountain in Beishan area of Inner Mongolia are a set of TTG rock combination composed of tonalites(T1), granodiorites(G1)and trondhjemites(T2).This set of TTG combination has the geochemical characteristics of rich silicon, rich sodium, and low aluminum.Meanwhile, the TTG has low total content of REEs(∑REE=27.86×10-6~104.56×10-6), and is enriched in LREEs(LREE/HREE=4.71~22.76, (La/Yb)N=4.78~43.18), with δEu being 0.62~1.72, showing the right-inclined type in chondrite-normalized REE patterns.In addition, the rocks which have the obvious negative anomalies of Nb-P-Ti and the low content of Y-Yb mainly show the enrichment of large ion lithophile elements(LILEs)and the loss of high field-strength elements(HFSEs). LA-ICP-MS zircon U-P dating shows that the 206Pb/238U weighted average age of zircons of tonalites is 315.6±1.6 Ma(MSWD=0.33, n=18), that of granodiorites is 310.8±1.4 Ma(MSWD=0.47, n=25), and that of trondhjemites is 305±1.9 Ma (MSWD=0.79, n=11), suggesting that the rock was formed in Late Carboniferous. Research suggests that the Xiaohong Mountain TTG which has the genetic characteristics of continental marginal arc granite was formed in the partial melting of the subduction plates of the ocean crust in the process of the subduction of Baihe Mountain inter-arc ocean basin to the south continental margin during the Carboniferous period. The development of this set of continental margin arcs which were formed in the same period with Baihe Mountain ophiolite indicates that the Baihe Mountain tectonic belt was formed at the stage of arc-basin system evolution.
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致谢: 野外工作过程中，得到中国地质调查局天津地质调查中心苗培森教授级高级工程师、赵凤清研究员、谷永昌教授级高级工程师、王惠初研究员、山西省地质调查院孙占亮高级工程师等学者的指导和帮助，成文过程中得到中国地质调查局天津地质调查中心赵凤清研究员的悉心指导，在此深表感谢，感谢李锦轶研究员等提出的宝贵意见。
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图 1 内蒙古北山地区小红山一带区域地质简图
Ⅰ-1—雀儿山-狐狸山古生代岩浆弧；A—红石山-百合山-蓬勃山晚古生代SSZ型蛇绿构造混杂岩带；Ⅰ-2—黑鹰山-路井古生代岩浆弧；Ⅰ-3—马鬃山地块；Ⅰ-4—公婆泉早古生代岩浆弧；B—牛圈子-洗肠井早古生代MOR型蛇绿构造混杂岩带；Ⅱ-1—营毛沱-鹰嘴红山早古生带被动陆缘；Ⅱ-2—花牛山早古生带陆缘裂谷；Ⅱ-3—红柳园-白山堂晚古生带陆内裂谷；Ⅱ-4—敦煌地块
Figure 1. Geological map of Xiaohongshan in north part of Beishan area, Inner Mongolia
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图版 Ⅰ
a、b.晚石炭世糜棱岩化中细粒英云闪长岩野外和境下照片；c、d.花岗闪长岩野外和镜下照片；e、f.斑状黑云奥长花岗岩野外和镜下照片。Bt—黑云母；Pl—斜长石；Kf—钾长石；Qtz—石英
图版 Ⅰ.
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图 2 晚石炭世TTG组合酸性侵入岩TAS图解(a)和An-Ab-Or图解(b)[19]
T1—英云闪长岩；T2—奥长花岗岩；G1—花岗闪长岩；G2—花岗岩(狭义)；QM—石英二长岩；Ir—Irvine分界线，上方为碱线，下方为亚碱性；1—橄榄辉长岩；2a—碱性辉长岩；2b—亚碱性辉长岩；3—辉长闪长岩；4—闪长岩；5—花岗闪长岩；6—花岗岩；7—硅英岩；8—二长辉长岩；9—二长闪长岩；10—二长岩；11—石英二长岩；12—正长岩；13—副长石辉长岩；14—副长石二长闪长岩；15—副长石二长正长岩；16—副长正长岩；17—副长深成岩；18—霓方钠岩/磷霞岩/粗白榴岩
Figure 2. TAS (a)and An-Ab-Or(b) diagrams of Late Carboniferous TTG assemblage acidic intrusive rocks
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图 3 晚石炭世TTG组合酸性侵入岩SiO2-K2O图解[20]
Figure 3. Diagram of SiO2-K2O of Late Carboniferous TTG assemblage acidic intrusive rocks
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图 5 晚石炭世花岗闪长岩(D5300Rz-1)(a)和奥长花岗岩(PM501Rz-6)(b)锆石阴极发光图像
Figure 5. Cathodeluminescence images of zircon from Late Carboniferous granodiorite(D5300Rz-1)(a) and trondhjemite(PM501Rz-6)(b)
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图 6 晚石炭世花岗闪长岩(D5300Rz-1)(a、b)及奥长花岗岩(PM501Rz-6)(c~f)锆石U-Pb谐和图
Figure 6. Zircon U-Pb concordia diagrams of Late Carboniferous granodiorite(D5300Rz-1)(a, b) and trondhjemites(PM501Rz-6)(c~f)
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图 7 晚石炭世TTG组合酸性侵入岩MA的SiO2- MgO(a)和TFeO/MgO- SiO2(b)判别图[31]
(a图：PQ线为HMA/MA边界；RS为MA/非MA边界; b图：直线为Miyashiro的CA与TH分界线, 上为CA，下为TH；双点划线为Arculus低Fe(LF-CA)与中Fe界线)
Figure 7. Discriminating diagrams of SiO2- MgO(a)and TFeO/MgO-SiO2(b)of MA from Late Carboniferous TTG assemblage acidic intrusive rocks
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图 8 晚石炭世TTG组合酸性侵入岩R1-R2图解[34]
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—造山晚期花岗岩；⑤—非造山区A型花岗岩；⑥—同碰撞花岗岩；⑦—造山期后A型花岗岩
Figure 8. Diagram of R1-R2 of Late Carboniferous TTG assemblage acidic intrusive rocks
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表 1 内蒙古北山北带晚石炭世TTG组合酸性侵入岩主量、微量和稀土元素分析结果
Table 1 Results of major, trace elements and REE analyse of Late carboniferous TTG assemblage acidic intrusive rocks in North belt of Beishan area, Inner Mongolia
原岩类型 野外编号 SiO2 Al2O3 Fe2O3 FeO TiO2 CaO MgO K2O Na2O MnO P2O5 H2O+ CO2 总量 Na2O/
K2O花岗闪长岩 D5300Gs-1 69.74 15.78 1.27 0.82 0.22 3.66 0.59 2.41 3.60 0.060 0.094 0.54 0.53 99.32 1.49 D5047Gs-1 69.18 12.79 1.59 3.45 0.72 3.74 2.63 2.31 1.8 0.06 0.27 0.46 0.31 99.31 0.78 D5961 Gs-1 72.38 13.2 1.15 1.94 0.41 3.58 1.65 1.63 2.62 0.06 0.07 0.54 0.23 99.46 1.61 PM507 Gs-3 67.46 14.82 2.1 2.84 0.62 3.12 1.82 2.28 3.52 0.09 0.0719 0.33 0.64 99.71 1.54 英云闪长岩 D5161Gs-2 68.08 16.52 1.36 1.18 0.29 5.08 1.02 1 3.79 0.099 0.065 0.6 0.3 99.38 3.79 D5633Gs-1 70.9 16.35 0.46 0.79 0.18 3.58 0.44 0.44 5.3 0.031 0.07 0.46 0.41 99.41 12.05 PM507 Gs-2 70.72 16.1 0.84 0.89 0.19 3.12 0.32 0.7 5.7 0.041 0.038 0.42 0.52 99.60 8.14 PM02Gs1-1* 67.77 16.26 0.35 2.33 0.36 4.09 1.86 1.37 4.24 0.059 0.12 0.78 0.033 99.62 3.09 PM02Gs3-1* 67.3 15.82 0.94 2.14 0.37 4.21 2.33 1.47 3.96 0.059 0.092 0.94 0.13 99.76 2.69 PM02Gs6-1* 67.5 16.32 0.8 1.97 0.34 4.43 2.05 1.02 4.27 0.045 0.093 0.81 0.1 99.75 4.19 PM02Gs9-1* 67.46 16.1 0.67 2.18 0.38 3.3 2.01 1.48 4.65 0.071 0.1 1.1 0.11 99.61 3.14 PM02Gs10-1* 69.14 15.57 0.34 2.31 0.4 3.1 1.93 1.73 4.04 0.051 0.1 0.95 0.033 99.69 2.34 PM02Gs12-1* 67.76 15.94 0.15 2.91 0.41 3.17 1.92 1.87 4.41 0.062 0.11 0.79 0.086 99.59 2.36 奥长花岗岩 PM501Gs-23 71.86 14.61 1.02 0.8 0.23 2.46 0.71 2.74 4.09 0.045 0.086 0.6 0.15 99.39 1.49 PM501Gs-24 72.79 14.69 0.88 0.79 0.21 2.28 0.60 1.90 4.79 0.051 0.094 0.36 1.07 100.50 2.53 PM501Gs-27 71.42 15.16 1.00 1.2 0.20 2.48 0.63 2.08 4.59 0.062 0.10 0.5 0.9 100.32 2.21 PM501Gs-29 74.42 14.41 0.29 0.35 0.013 1.12 0.09 2.99 5.50 0.11 0.062 0.16 0.98 100.49 1.84 PM501Gs-31 72.33 14.89 0.97 0.9 0.20 2.64 0.57 1.82 4.53 0.055 0.075 0.32 0.64 99.93 2.49 PM501Gs-32 72.60 14.48 0.98 0.77 0.23 3.24 0.64 1.45 4.36 0.036 0.082 0.34 0.9 100.10 3.01 PM501Gs-33 68.69 15.12 1.58 1.37 0.40 3.23 0.85 2.00 4.47 0.063 0.17 0.4 0.98 99.32 2.24 PM501Gs-34 74.39 13.75 0.61 0.44 0.082 2.48 0.23 1.68 4.38 0.023 0.023 0.18 1.07 99.34 2.61 D5975Gs-1 72.82 14.38 0.9 0.43 0.2 2.49 0.79 2.8 3.69 0.031 0.12 0.24 0.61 99.50 1.32 原岩类型 野外编号 Sc Co Ga Rb Zr Nb Cs Hf Ta Th U Ba Cr Ni Sr V 花岗闪长岩 D5300Gs-1 6.37 3.81 15.21 79.92 94.90 7.17 3.37 3.70 1.07 7.91 0.51 386.76 14.68 2.27 269.67 22.06 D5961 Gs-1 6.88 8.00 14.33 65.33 147.34 7.60 5.47 3.77 0.87 6.12 1.18 285.47 29.67 21.33 187.88 64.22 英云闪长岩 D5161Gs-2 6.35 4.15 15.61 31.46 87.69 3.27 1.89 1.93 0.46 4.46 0.63 331.98 8.22 3.12 297.44 39.65 D5633Gs-1 1.68 2.40 18.73 8.52 103.2 1.43 1.24 2.80 0.33 1.98 0.25 178.3 5.89 1.68 573.6 19.69 PM507 Gs-2 4.23 2.94 18.19 7.71 104.7 2.83 1.05 3.30 0.46 1.01 0.36 172.6 18.95 2.83 417.4 24.79 PM02Gs1-1* 7.08 9.08 15.0 48.7 121 3.46 3.12 3.47 0.33 4.42 0.67 131 26.8 24.3 302 46.8 PM02Gs3-1* 7.4 9.98 14.9 54.6 84.5 3.40 4.75 2.43 0.28 5.14 0.47 139 46.1 35.8 311 50.3 PM02Gs6-1* 7.11 9.63 15.0 36.2 103 3.34 3.24 2.94 0.26 6.91 0.53 98.8 31.9 31.7 290 47.1 PM02Gs9-1* 7.76 9.70 14.4 61.2 89.3 3.90 3.58 2.48 0.28 3.99 0.44 120 32.6 34.1 302 49.3 PM02Gs10-1* 4.98 8.56 14.7 64.2 137 5.48 4.96 4.04 0.46 1.95 0.79 191 29.8 25.6 326 44.7 PM02Gs12-1* 6.18 9.32 14.8 73.6 132 5.13 5.97 3.76 0.46 3.62 0.61 216 32.1 27.6 298 52.7 PM17Gs2-2* 5.86 10.2 16.2 35.8 97.4 4.96 6.41 3.49 0.53 1.74 0.49 251 27.5 28.4 295 55.1 奥长花岗岩 PM501Gs-23 6.43 4.00 17.98 119.20 133.3 3.96 12.53 4.15 0.84 7.12 1.83 300.14 19.63 6.05 205.80 25.08 PM501Gs-24 5.58 3.54 19.06 84.36 120.6 4.27 12.20 3.65 0.93 5.65 1.67 179.85 17.98 5.26 232.40 23.29 PM501Gs-31 5.91 3.64 18.79 68.91 133.3 5.37 3.85 3.76 0.77 6.53 1.89 206.76 18.37 4.98 226.71 22.11 PM501Gs-32 4.77 3.64 15.25 45.25 122.4 2.67 2.07 3.58 0.41 9.16 1.76 315.59 23.01 5.48 367.61 21.88 PM501Gs-33 6.64 5.66 20.09 65.15 259.9 5.41 2.05 7.88 0.90 6.95 1.36 240.57 17.37 2.59 223.78 32.10 原岩类型 野外编号 La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Y ∑REE LREE/
HREELaN/
YbN(La/
Sm)N(Gd/
Yb)NδEu 花岗闪长岩 D5300Gs-1 14.28 29.55 3.21 10.64 2.26 0.74 1.97 0.34 1.92 0.37 1.08 0.17 1.00 0.16 10.64 67.69 8.66 9.63 3.98 1.58 1.05 D5961 Gs-1 22.50 40.95 4.94 17.73 3.11 0.80 2.49 0.37 2.18 0.44 1.30 0.21 1.43 0.21 12.05 98.66 10.43 10.61 4.55 1.41 0.85 英云闪长岩 D5161Gs-2 18.84 30.67 3.56 12.22 2.01 1.03 1.54 0.22 1.21 0.24 0.66 0.11 0.80 0.13 6.34 73.24 13.92 15.88 5.89 1.55 1.72 D5633Gs-1 12.17 24.04 2.89 10.80 1.68 0.53 1.09 0.12 0.54 0.09 0.20 0.03 0.19 0.03 2.19 54.40 22.76 43.18 4.55 4.65 1.12 PM507 Gs-2 6.19 11.12 1.39 5.14 0.98 0.46 0.85 0.13 0.73 0.13 0.33 0.05 0.32 0.04 3.44 27.86 9.80 13.04 3.97 2.17 1.51 PM02Gs1-1* 9.49 17.7 2.34 9.18 1.93 0.54 1.97 0.3 1.78 0.35 0.96 0.15 0.99 0.16 10.1 47.84 6.18 6.46 3.09 1.61 0.84 PM02Gs3-1* 12.6 19.7 3.06 11.4 2.23 0.53 2.21 0.33 1.79 0.36 0.96 0.14 0.95 0.15 10.2 56.41 7.19 8.94 3.55 1.88 0.72 PM02Gs6-1* 19.6 32.5 4.4 15.4 2.72 0.55 2.69 0.35 1.94 0.35 0.92 0.14 0.92 0.15 10.4 82.63 10.08 14.36 4.53 2.36 0.62 PM02Gs9-1* 10.6 19.0 2.58 9.74 1.86 0.52 1.82 0.26 1.44 0.27 0.72 0.11 0.75 0.12 8.24 49.79 8.07 9.53 3.58 1.96 0.85 PM02Gs12-1* 7.31 12.4 1.74 6.93 1.63 0.57 1.78 0.28 1.8 0.34 0.96 0.14 1.03 0.16 10.3 37.07 4.71 4.78 2.82 1.39 1.02 奥长花岗岩 PM501Gs-23 12.64 25.82 3.16 11.12 2.55 0.64 2.15 0.35 1.82 0.32 0.88 0.13 0.78 0.12 9.18 62.48 8.54 10.93 3.11 2.24 0.81 PM501Gs-24 10.29 20.11 2.60 8.95 2.03 0.54 1.60 0.24 1.19 0.22 0.54 0.08 0.48 0.08 5.78 48.95 10.05 14.45 3.19 2.67 0.89 PM501Gs-31 11.91 22.47 2.71 9.28 2.07 0.61 1.62 0.25 1.25 0.23 0.64 0.10 0.65 0.10 6.68 53.89 10.13 12.35 3.62 2.02 0.98 PM501Gs-32 23.46 42.86 5.04 16.24 2.91 0.83 1.98 0.27 1.18 0.20 0.51 0.08 0.49 0.08 5.40 96.13 19.07 32.28 5.08 3.23 1.00 PM501Gs-33 20.06 42.51 5.60 19.99 4.40 1.09 3.86 0.61 3.09 0.54 1.36 0.19 1.10 0.16 14.95 104.56 8.58 12.29 2.87 2.84 0.79 注：带*据参考文献④；主量元素含量单位为%，微量和稀土元素含量单位为10-6 
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表 2 花岗闪长岩(D5300Rz-1)和奥长花岗岩(PM501Rz-6)样品LA-ICP-MS锆石U-Th-Pb同位素数据
Table 2 LA-ICP-MS U-Th-Pb isotope composition of zircons in granite diorite sample(D5300Rz-1)and trondhjemite sample(PM501Rz-6)
测点
号元素含量/10-6 Th/U 同位素比值及误差 年龄及误差/Ma Pb* Th U 207Pb/206Pb 1σ 207Pb/235U 1σ 206Pb/238U 1σ 207/Pb206Pb 1σ 207Pb/235U 1σ 206Pb/238U 1σ D5300Rz-1 1 15 104 296 0.35 0.0529 0.0012 0.3624 0.0088 0.0497 0.0005 323 52 314 8 313 3 2 14 99 272 0.36 0.0531 0.0011 0.3667 0.0079 0.0501 0.0005 334 46 317 7 315 3 3 15 111 290 0.38 0.0534 0.0010 0.3686 0.0076 0.0501 0.0005 344 44 319 7 315 3 4 15 117 292 0.40 0.0536 0.0011 0.3716 0.0084 0.0503 0.0005 352 48 321 7 317 3 5 15 111 299 0.37 0.0532 0.0011 0.3666 0.0081 0.0500 0.0005 336 47 317 7 315 3 6 11 75 231 0.32 0.0532 0.0026 0.3680 0.0189 0.0502 0.0006 336 110 318 16 316 4 7 13 101 268 0.38 0.0532 0.0015 0.3668 0.0110 0.0500 0.0006 339 64 317 9 314 4 8 18 113 330 0.34 0.0543 0.0010 0.4195 0.0095 0.0560 0.0006 385 43 356 8 351 4 9 19 74 360 0.20 0.0543 0.0010 0.4056 0.0080 0.0542 0.0006 384 40 346 7 340 4 10 19 129 372 0.35 0.0535 0.0010 0.3728 0.0082 0.0505 0.0006 350 44 322 7 318 4 11 15 88 268 0.33 0.0542 0.0010 0.4326 0.0087 0.0579 0.0007 380 41 365 7 363 4 12 16 92 252 0.37 0.0555 0.0010 0.4948 0.0105 0.0646 0.0008 433 41 408 9 404 5 13 16 117 329 0.36 0.0533 0.0010 0.3670 0.0074 0.0499 0.0005 343 42 317 6 314 3 14 54 457 1608 0.28 0.0513 0.0006 0.2546 0.0034 0.0360 0.0004 252 29 230 3 228 3 15 18 102 374 0.27 0.0534 0.0014 0.3658 0.0098 0.0496 0.0005 348 58 317 8 312 3 16 15 110 300 0.37 0.0529 0.0010 0.3660 0.0079 0.0502 0.0005 323 45 317 7 316 3 17 12 76 241 0.32 0.0532 0.0013 0.3672 0.0093 0.0501 0.0005 337 54 318 8 315 3 18 14 93 282 0.33 0.0532 0.0011 0.3681 0.0083 0.0502 0.0005 337 49 318 7 316 3 19 36 160 740 0.22 0.0529 0.0008 0.3678 0.0059 0.0504 0.0008 324 36 318 5 317 5 20 18 24 377 0.06 0.0535 0.0010 0.3724 0.0077 0.0505 0.0006 351 43 321 7 317 4 21 50 482 1839 0.26 0.0504 0.0006 0.2004 0.0028 0.0288 0.0003 213 28 185 3 183 2 22 47 187 971 0.19 0.0531 0.0007 0.3693 0.0054 0.0504 0.0006 335 28 319 5 317 4 23 47 178 953 0.19 0.0529 0.0007 0.3735 0.0062 0.0512 0.0007 327 29 322 5 322 4 24 42 205 828 0.25 0.0530 0.0008 0.3698 0.0061 0.0506 0.0006 329 33 319 5 318 4 PM501Rz-6 1 466 2650 10033 0.26 0.0531 0.0006 0.3504 0.0047 0.0479 0.0005 331 27 305 4 302 3 2 270 2890 6077 0.48 0.0656 0.0008 0.3937 0.0053 0.0435 0.0004 793 25 337 5 275 3 3 224 948 4782 0.20 0.0522 0.0006 0.3552 0.0048 0.0493 0.0005 295 28 309 4 310 3 4 414 2091 8965 0.23 0.0529 0.0006 0.3484 0.0050 0.0478 0.0005 323 26 304 4 301 3 5 573 3470 12448 0.28 0.0606 0.0007 0.3852 0.0051 0.0461 0.0005 624 25 331 4 291 3 6 756 5185 16387 0.32 0.0523 0.0006 0.3393 0.0046 0.0470 0.0005 300 26 297 4 296 3 7 310 2142 6987 0.31 0.0533 0.0006 0.3439 0.0047 0.0468 0.0005 340 26 300 4 295 3 8 650 4691 13944 0.34 0.0524 0.0006 0.3414 0.0047 0.0472 0.0005 304 27 298 4 298 3 9 809 5177 17740 0.29 0.0529 0.0006 0.3396 0.0046 0.0466 0.0005 324 27 297 4 293 3 10 710 5047 15327 0.33 0.0530 0.0006 0.3416 0.0045 0.0468 0.0005 328 27 298 4 295 3 11 721 5372 15074 0.36 0.0534 0.0006 0.3530 0.0047 0.0480 0.0005 345 26 307 4 302 3 12 587 4505 12219 0.37 0.0535 0.0006 0.3563 0.0049 0.0483 0.0005 352 26 309 4 304 3 13 222 1282 4752 0.27 0.0528 0.0008 0.3535 0.0057 0.0486 0.0005 320 33 307 5 306 3 14 459 2783 10785 0.26 0.0535 0.0006 0.3223 0.0043 0.0437 0.0004 348 26 284 4 276 3 15 845 6080 17649 0.34 0.0531 0.0006 0.3522 0.0047 0.0481 0.0005 333 27 306 4 303 3 16 361 2042 8402 0.24 0.0812 0.0011 0.4558 0.0071 0.0407 0.0004 1225 26 381 6 257 3 17 506 3799 11987 0.32 0.0563 0.0007 0.3313 0.0046 0.0427 0.0004 462 27 291 4 270 3 18 667 5193 14435 0.36 0.0639 0.0008 0.4014 0.0056 0.0455 0.0005 739 27 343 5 287 3 19 174 968 3725 0.26 0.0525 0.0006 0.3485 0.0047 0.0481 0.0005 308 28 304 4 303 3 20 282 400 6370 0.06 0.0535 0.0006 0.3534 0.0046 0.0479 0.0005 350 26 307 4 302 3 21 253 383 5809 0.07 0.0531 0.0006 0.3434 0.0045 0.0469 0.0005 332 27 300 4 296 3 22 473 2406 10856 0.22 0.0682 0.0008 0.4036 0.0060 0.0429 0.0005 875 25 344 5 271 3 23 359 1701 7903 0.22 0.0615 0.0007 0.3900 0.0051 0.0460 0.0005 658 25 334 4 290 3 24 369 1288 8093 0.16 0.0526 0.0006 0.3481 0.0046 0.0480 0.0005 313 27 303 4 302 3
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