Source and evolution of ore-forming fluids in the Huangtian tungsten deposit in southeastern Yunnan: Constraints from geochemistry characteristics of scheelite
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摘要:
荒田钨矿床位于滇东南老君山多金属成矿区北缘，是近年来新发现的一处大型白钨矿床。白钨矿从早到晚共划分为2个阶段：白钨矿-萤石-石英阶段（白钨矿Ⅰ）、白钨矿-碳酸盐阶段（白钨矿Ⅱ）；根据产状又分为4种类型：白钨矿Ⅰ-a、白钨矿Ⅰ-b、白钨矿Ⅱ-a、白钨矿Ⅱ-b。白钨矿Ⅰ-b、Ⅱ发育明显的振荡环带。为确定成矿流体来源及演化，在详细的钻孔岩心编录和矿物显微组构研究的基础上，利用LA-ICP-MS分析了不同阶段白钨矿中的微量及稀土元素。结果显示：白钨矿的稀土元素主要受3Ca2+=2REE3++□Ca（此处"□"指Ca的空位）的替换机制控制，稀土元素在白钨矿中的分布存在明显的不均一现象，但均为LREE富集型，与老君山花岗岩的球粒陨石配分模式类似，白钨矿LREE-MREE-HREE图解及Sm/Nd值显示，其与老君山花岗岩密切相关。除早期白钨矿Ⅰ-a部分测试点显示负Eu异常外，其余测试点均显示正Eu异常，Eu的价态也由Eu3+为主转变为Eu2+为主。白钨矿中Mo含量逐渐降低，表明成矿流体从早期到晚期氧逸度逐渐降低。此外，白钨矿中Sr含量（36.6×10-6~619×10-6，平均值206.25×10-6）较高，矿床围岩主要为海相沉积碳酸盐岩，推测水岩反应为成矿流体提供了大量的Sr和Ca。
Abstract:The Huangtian tungsten deposit is located in the northern margin of the Laojunshan polymetallic metallogenic zone in southeastern Yunnan. It is a newly discovered large-scale scheelite deposit in recent years. Scheelite is divided into two stages from early to late: scheelite-fluorite-quartz stage(scheelite Ⅰ), scheelite-carbonate stage(scheelite Ⅱ); Four types: scheelite Ⅰ-a, scheelite Ⅰ-b, scheelite Ⅱ-a, scheelite Ⅱ-b. The scheelite Ⅰ-b and Ⅱ have obvious oscillating rings. In order to determine the source and evolution of its ore-forming fluids, based on the detailed borehole core cataloging and the study of mineral microfabrication, LA-ICP-MS was used to analyze the trace and rare earth elements in scheelite at different stages. Our data show that the rare earth elements in scheelite are mainly controlled by the substitution mechanism of 3Ca2+=2REE3++□Ca, the distribution of rare earth elements in scheelite is obviously inhomogeneous, but they are all LREE-enriched types, similar to the chondrite partition pattern of the Laojunshan granite. The LREE-MREE-HREE diagram of scheelite and the Sm/Nd ratio show that it is closely related to the Laojunshan granite. Except for some test points of early scheelite Ⅰ-a, which showed negative Eu anomaly, the rest of the test points showed positive Eu anomaly, Eu also changes from the Eu3+ dominated to Eu2+ dominated. and the content of Mo in scheelite also changed. It gradually decreases, indicating that the oxygen fugacity of the ore-forming fluid decreases gradually from the early stage to the late stage. In addition, the Sr content(36.6×10-6~619×10-6, average 206.25×10-6)in scheelite is relatively high, and the surrounding rocks of the deposit are mainly marine sedimentary carbonate rocks. It is speculated that the water-rock reaction is as follows: Ore-forming fluids provide a large amount of Sr and Ca.
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Keywords:
- Southeast Yunnan /
- scheelite ore-forming fluids /
- LA-ICP-MS /
- trace elements /
- rare earth elements
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致谢: 感谢文山州大豪矿业公司、福建省闽西地质大队西畴项目部全体工程师及钱国华高级工程师对野外工作的支持帮助；感谢福州大学紫金地质与矿业学院单思齐、周小深硕士及实验员陈素余对室内实验的帮助；感谢审稿专家对本文提出的诸多宝贵意见。
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图 1 滇东南大地构造略图(a, 据林全胜, 2013)和老君山区域地质图(b, 据Han et al., 2020)
Figure 1. Generalized tectonic map of southeastern Yunnan(a) and geological map of Laojun Mountain region(b)
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图 2 荒田矿床地质简图(据林全胜, 2014)
Figure 2. Generalized geological map of Huangtian deposit
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图 3 荒田矿床10线(a)、20线(b)地质剖面图
1—层间滑脱断层及编号；2—钨矿体；3—钻孔；4—采样位置；∈2l—龙哈组；∈2t1—田蓬组下段；∈2t2—田蓬组上段
Figure 3. Geological profiles of lines 10(a) and 20(b)of the Huangtian deposit
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图版Ⅱ
a、b.白钨矿Ⅰ-a与萤石、石英共/伴生；c.白钨矿Ⅰ-b与石英、萤石共生；d、e.白钨矿Ⅱ-a赋存于石英-碳酸盐脉中；f.黄铁矿与石英脉伴生；g、h、i.白钨矿Ⅱ-b呈脉状沿重结晶方解石及白云石边缘分布。Sch—白钨矿；Qtz—石英；Fl—萤石；Py—黄铁矿；Dol—白云石；Cal—方解石；Vein—脉体
图版Ⅱ.
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图 4 荒田白钨矿及其围岩稀土元素球粒陨石标准化配分模式图
Figure 4. The standardized distribution patterns of the scheelite and its surrounding rocks of REE chondrites
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图 5 Na-(∑REE+Y-Eu)图解(a)、Nb-(∑REE+Y-Eu)图解(b)、Nb-Nd图解(c)和LREE-MREE-HREE图解(d)
Figure 5. Diagrams of Na-(∑REE+Y-Eu)(a), Nb-(∑REE+Y-Eu) (b), Nb-Nd(c), and LREE-MREE-HREE(d)
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图 6 EuN*-EuN图解(a)、δEu-Sr图解(b)、δEu-Mo图解(c)和δEu-δCe图解(d)
Figure 6. Diagrams of EuN*-EuN(a), δEu-Sr(b), δEu-Mo(c), and δEu-δCe(d)
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图 7 WO3-Mo图解(a)、La/Ho-Y/Ho图解(b)、Ho-Y图解(c)和Tb/La-Tb/Ca图解(d)
(底图据Möller et al., 1976; Schönenberger et al., 2008; 李洪英等, 2021)
Figure 7. Diagrams of WO3-Mo(a), La/Ho-Y/Ho(b), Ho-Y(c), and Tb/La-Tb/Ca(d)
表 1 白钨矿样品采集位置及特征
Table 1 Sampling location and characteristics of scheelite
样品编号 取样位置 特征 HT01 ZK2004(32 m) 白钨矿Ⅱ-b，白钨矿呈脉状沿方解石、白云石边缘分布 HT03 ZK2004(368.3 m) 白钨矿Ⅱ-a，白钨矿赋存于石英-碳酸盐脉中 HT04 ZK2004(380 m) 白钨矿Ⅱ-a，白钨矿赋存于石英-碳酸盐脉中 HT05 ZK2004(389 m) 白钨矿Ⅰ-b，白钨矿与萤石、石英伴/共生 HT07 ZK1011(182.65 m) 白钨矿Ⅰ-a，颗粒较大，单个白钨矿分析多个测点 HT10 ZK1011(309.5 m) 白钨矿Ⅰ-a，颗粒较大，白钨矿与萤石伴生，被石英包裹 
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表 2 荒田矿床白钨矿及围岩稀土元素含量
Table 2 Contents of rare earth elements in scheelite and surrounding rock of Huangtian deposit
10-6 样号 测点 La Ce Pr Nd Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Y ΣREE LREE HREE LREE/HREE LaN/YbN δEu δCe HT07-1 1 6.62 6.24 0.35 1.00 0.10 0.13 0.15 0.02 0.05 0.02 0.05 0.01 0.09 0.01 0.38 14.83 14.44 0.40 36.17 50.94 3.13 0.64 2 8.99 16.40 1.62 5.80 1.50 0.40 1.63 0.23 1.48 0.19 0.62 0.06 0.28 0.03 3.23 39.25 34.74 4.51 7.70 23.03 0.77 0.98 3 0.67 1.35 0.18 0.77 0.14 0.07 0.22 0.03 0.17 0.02 0.05 0.01 0.05 - 0.42 3.71 3.17 0.54 5.93 10.28 1.31 0.94 4 1.40 2.69 0.33 1.28 0.40 0.13 0.42 0.06 0.28 0.05 0.07 0.01 0.05 - 0.74 7.17 6.23 0.94 6.65 21.51 0.99 0.94 5 8.83 14.6 1.39 5.54 1.35 0.48 1.18 0.21 1.13 0.21 0.41 0.05 0.30 0.05 3.82 35.71 32.19 3.53 9.13 21.46 1.13 0.92 6 4.96 7.51 0.73 2.35 0.60 0.24 0.58 0.09 0.37 0.07 0.14 0.02 0.10 0.01 1.15 17.76 16.39 1.38 11.91 35.30 1.24 0.86 7 1.49 5.89 1.12 6.10 1.69 0.50 2.14 0.29 1.79 0.33 0.73 0.10 0.36 0.05 6.79 22.58 16.80 5.78 2.90 2.98 0.81 1.07 HT07-2-1 1 4.36 5.20 0.35 0.79 0.15 0.17 0.18 0.02 0.12 0.02 0.06 0.01 0.065 0.01 0.60 11.51 11.03 0.48 23.18 48.33 3.06 0.77 2 16.70 20.30 1.49 3.77 0.32 0.46 0.29 0.05 0.28 0.06 0.14 0.03 0.19 0.02 1.52 44.08 43.02 1.06 40.72 61.50 4.55 0.77 3 0.59 1.99 0.41 2.45 0.64 0.26 0.93 0.10 0.62 0.11 0.34 0.03 0.11 0.03 2.98 8.61 6.35 2.26 2.81 3.96 1.05 0.96 4 0.01 0.39 0.12 0.86 0.18 0.05 0.17 0.02 0.12 0.02 0.05 0.01 0.05 - 0.57 2.14 1.70 0.44 3.88 1.54 0.89 0.78 5 10.70 27.00 3.76 18.40 4.74 1.31 5.76 0.86 5.29 0.98 2.20 0.27 1.39 0.18 18.4 82.89 65.96 16.93 3.90 5.51 0.77 1.04 HT07-2-2 1 8.77 9.01 0.68 2.18 0.32 0.23 0.26 0.08 0.36 0.06 0.20 0.02 0.14 0.02 1.37 22.34 21.20 1.14 18.61 44.76 2.40 0.67 2 4.15 8.84 1.17 5.09 1.57 0.64 1.63 0.26 1.52 0.25 0.67 0.08 0.30 0.05 5.09 26.23 21.46 4.77 4.50 9.84 1.21 0.97 3 1.69 4.24 0.60 3.30 1.29 0.33 1.25 0.17 1.18 0.21 0.41 0.04 0.17 0.01 3.68 14.90 11.46 3.44 3.33 7.01 0.78 1.03 4 10.9 20.9 2.50 10.8 3.40 2.65 3.44 0.55 3.18 0.53 1.45 0.21 1.58 0.21 13.3 62.30 51.15 11.15 4.59 4.94 2.34 0.94 5 1.09 2.28 0.32 1.38 0.26 0.11 0.41 0.06 0.32 0.04 0.11 0.02 0.13 0.01 1.55 6.57 5.45 1.12 4.87 5.87 1.07 0.93 6 1.92 3.71 0.70 4.12 1.63 0.59 1.85 0.27 1.39 0.25 0.54 0.05 0.25 0.03 3.61 17.31 12.67 4.64 2.73 5.53 1.04 0.78 HT07-2-3 1 4.59 29.90 7.61 51.00 18.3 3.47 18.1 2.71 14.5 2.38 4.48 0.41 1.63 0.14 28.5 159.26 114.92 44.34 2.59 2.02 0.58 0.98 2 0.69 1.44 0.17 0.83 0.04 0.08 0.13 0.02 0.14 0.03 0.07 0.01 0.08 0.01 0.84 3.75 3.26 0.49 6.63 6.61 3.00 0.99 3 0.71 1.74 0.31 2.31 0.80 0.40 0.90 0.13 0.75 0.15 0.25 0.03 0.17 - 2.50 8.65 6.28 2.37 2.64 2.97 1.42 0.90 4 0.50 1.50 0.31 1.51 0.59 0.20 0.88 0.12 0.73 0.12 0.25 0.02 0.07 - 2.34 6.80 4.60 2.20 2.10 5.33 0.83 0.91 5 8.35 19.40 2.88 13.40 3.87 2.18 3.97 0.60 3.46 0.54 1.37 0.12 0.64 0.05 10.5 60.86 50.11 10.75 4.66 9.38 1.69 0.97 HT10 1 30.20 39.40 3.03 8.90 2.29 3.47 2.72 0.45 3.11 0.50 1.63 0.28 1.92 0.31 22.4 98.22 87.31 10.91 8.00 11.30 4.25 0.81 2 10.70 30.10 4.90 24.00 7.34 3.90 8.62 1.56 8.69 1.77 4.76 0.53 3.31 0.39 36.7 110.63 81.00 29.63 2.73 2.32 1.50 1.02 3 8.06 27.80 4.75 22.10 6.65 3.33 8.15 1.39 8.50 1.84 4.07 0.52 2.63 0.31 33.0 100.17 72.76 27.41 2.66 2.20 1.38 1.08 HT05 1 1.64 1.67 0.23 1.48 0.91 0.45 1.33 0.22 1.39 0.18 0.48 0.05 0.20 0.01 3.14 10.24 6.38 3.86 1.65 5.96 1.26 0.59 2 0.97 1.54 0.15 0.45 0.16 0.06 0.17 0.03 0.10 0.03 0.05 0.01 0.09 0.01 1.27 3.81 3.33 0.48 6.86 7.55 1.19 0.88 3 0.41 0.98 0.12 0.51 0.01 0.04 0.17 0.02 0.17 0.04 0.09 0.01 0.07 0.01 1.28 2.65 2.07 0.58 3.54 4.08 1.37 1.08 4 0.31 1.08 0.26 1.90 1.24 0.69 1.70 0.32 1.89 0.41 0.83 0.08 0.22 0.03 4.51 10.95 5.49 5.46 1.00 1.01 1.47 0.86 5 0.74 1.62 0.23 1.14 0.31 0.19 0.51 0.09 0.45 0.01 0.18 0.02 0.11 0.01 2.19 5.68 4.22 1.46 2.88 4.62 1.43 0.96 6 0.89 1.53 0.24 1.59 0.58 0.27 0.62 0.12 0.90 0.17 0.27 0.04 0.19 - 2.96 7.41 5.10 2.31 2.21 3.33 1.39 0.80 7 3.36 4.55 0.51 2.38 0.90 0.47 0.95 0.15 0.91 0.17 0.41 0.04 0.20 0.02 3.00 15.02 12.16 2.86 4.25 11.99 1.54 0.76 HT03 1 0.38 0.97 0.14 0.71 0.33 0.21 0.24 0.04 0.24 0.04 0.10 - 0.04 - 1.83 3.43 2.73 0.70 3.91 7.00 2.23 1.03 2 0.20 0.29 0.03 0.06 - 0.02 - 0.01 0.07 0.01 - - 0.01 - 0.44 0.70 0.60 0.10 5.67 10.61 2.60 0.86 3 0.48 0.88 0.13 0.68 0.16 0.20 0.23 0.01 0.25 0.01 0.03 0.01 - - 1.59 3.07 2.53 0.54 4.68 - 3.09 0.85 HT04 1 1.01 1.05 0.10 0.25 0.10 0.08 0.07 0.02 0.10 0.02 0.03 0.01 0.07 - 1.03 2.90 2.59 0.31 8.21 10.36 3.09 0.64 2 0.35 0.35 0.03 0.20 0.01 0.06 0.09 0.01 0.03 0.01 0.02 0.01 - 0.01 0.91 1.17 0.99 0.18 5.34 70.06 4.27 0.65 3 2.85 3.60 0.35 1.37 0.33 0.21 0.41 0.04 0.23 0.09 0.14 0.03 0.04 0.02 2.41 9.72 8.72 1.00 8.71 47.02 1.73 0.75 HT01 1 7.21 11.5 1.41 7.62 1.42 1.48 2.02 0.23 1.80 0.27 0.58 0.02 0.22 0.03 12.5 35.85 30.68 5.16 5.94 23.56 2.67 0.83 2 1.83 2.58 0.32 1.25 0.24 0.21 0.30 0.08 0.34 0.03 0.15 0.02 0.07 0.02 2.73 7.41 6.42 0.99 6.48 19.67 2.36 0.76 3 3.53 6.10 0.73 3.11 0.68 0.70 0.80 0.12 0.57 0.14 0.30 0.03 0.16 0.01 6.35 16.98 14.85 2.13 6.97 15.65 2.91 0.88 4 1.81 2.67 0.30 1.53 0.31 0.20 0.57 0.07 0.21 0.05 0.14 0.01 0.04 - 2.96 7.92 6.83 1.09 6.24 31.04 1.44 0.81 5 11.5 24.1 3.38 15.1 3.60 2.81 4.10 0.64 3.17 0.54 1.07 0.14 0.52 0.05 18.1 70.62 60.39 10.22 5.91 15.89 2.23 0.94 6 12.2 22.6 2.85 13.4 3.80 2.48 3.75 0.49 3.12 0.53 1.06 0.11 0.61 0.05 18.3 67.11 57.39 9.72 5.90 14.45 1.99 0.91 绢云千枚岩 58.10 110.50 12.25 46.10 8.50 1.46 7.40 1.17 7.26 1.50 4.21 0.65 3.96 0.61 41.40 263.67 236.91 26.76 8.85 10.5 0.55 0.97 绢云大理岩 9.10 20.70 2.60 10.60 2.52 0.71 2.79 0.46 2.88 0.57 1.57 0.23 1.42 0.21 16.70 56.36 46.23 10.13 4.56 4.60 0.81 1.03 大理岩 1.60 3.10 0.38 1.50 0.29 0.22 0.30 0.05 0.31 0.06 0.18 0.03 0.15 0.02 1.80 8.19 7.09 1.10 6.45 7.65 2.26 0.94 大理岩 0.90 1.50 0.18 0.70 0.11 0.03 0.10 0.01 0.11 0.02 0.06 0.01 0.04 0.01 0.60 3.78 3.42 0.36 9.50 16.14 0.86 0.86 注：“-”为低于检测限
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表 3 荒田白钨矿微量元素含量
Table 3 The content of trace elements in Huangtian scheelite
10-6 样号 测点 Mo Li Na Cr Mn Co Ni Cu Zn Ga As Rb Sr Zr Nb Ag Cd Sn Sb Cs Ba Hf Ta Bi Pb Th U HT07-1 1 133 0.03 0.74 - 1.69 - - 0.026 - 0.03 - 0.03 126 9.17 1.32 - - 0.17 0.03 0.01 - - 0.11 0.01 0.05 - 0.27 2 141 0.21 5.94 - 0.10 0.04 - - - - - 0.01 89.40 9.16 1.32 0.01 - 0.10 0.02 0.01 0.17 - 0.11 - 0.03 0.01 0.37 3 108 0.07 8.16 - 2.04 0.02 - 0.28 0.28 0.02 0.83 0.03 97.90 9.08 1.24 - 0.06 - 0.03 - 0.22 - 0.09 - 0.03 - 0.26 4 115 0.01 3.71 - 3.13 0.04 0.01 0.27 - 0.05 0.29 - 101 8.18 1.31 0.04 0.18 0.18 - 0.01 0.08 0.01 0.12 0.01 0.01 - 0.50 5 107 0.27 4.45 0.29 7.50 0.05 0.06 - 0.09 0.04 0.14 - 275 9.54 1.21 - - - 0.02 0.01 0.27 0.01 0.13 - 0.06 0.01 0.92 6 114 0.31 0.74 0.38 5.97 - 0.53 0.10 - 0.02 0.32 0.03 288 8.85 1.26 - 0.12 0.01 - - 0.27 0.01 0.093 - 0.04 0.02 0.81 7 97.10 0.24 - 0.55 45.36 0.05 - 0.44 0.12 0.10 1.66 - 162 7.50 1.32 - - 0.15 0.21 0.01 0.74 - 0.12 - 0.04 - 0.69 HT07-2-1 1 68.40 - 7.42 - 1.02 - - - - 0.02 - - 73 8.25 1.23 - 0.06 - 0.01 0.03 0.18 0.01 0.13 - 0.02 - 0.28 2 79.40 0.05 5.19 1.32 2.36 0.04 0.29 - 0.12 0.16 - 0.08 115 9.73 1.19 - 0.06 0.17 0.02 - 0.10 - 0.13 - 0.09 - 0.76 3 78 0.06 7.42 0.65 2.96 - - 0.11 0.27 - 0.36 - 136 8.90 1.30 - 0.12 0.06 - 0.03 0.35 - 0.11 - 0.06 0.01 0.33 4 69.70 - 1.48 1.14 1.02 0.03 - 0.04 0.32 0.01 0.24 - 59.30 9.28 1.37 0.06 0.12 0.18 0.03 0.03 0.02 0.01 0.12 - - 0.01 0.26 5 128 - 3.71 0.31 7.39 0.02 - - 0.37 0.28 0.08 0.03 386 8.84 1.20 - - 0.24 0.17 - 3.47 0.01 0.11 0.01 0.83 0.04 0.75 HT07-2-2 1 167 0.10 9.65 12.50 2.82 - 0.27 0.20 - 0.03 0.89 - 158 9.29 1.30 - - 0.09 0.05 0.01 0.05 - 0.12 - 0.16 - 0.39 2 101 0.10 1.48 1.01 2.09 0.02 0.19 0.01 0.17 0.17 1.20 0.02 233 9.04 1.29 0.02 0.12 - - - 0.30 - 0.10 0.01 0.09 0.01 0.55 3 113 - 5.94 - 3.09 - 0.02 0.08 0.04 0.11 - - 110 8.76 1.19 0.03 - - - 0.03 0.66 0.01 0.12 - 0.03 0.01 0.67 4 48.80 0.22 8.90 0.91 1.07 - 0.20 0.05 - 0.16 1.12 - 150 9.38 1.32 - - - 0.05 - 0.51 0.11 0.11 - 0.05 0.01 1.46 5 66.20 - 8.90 0.02 3.18 - - - 0.17 - 0.28 0.06 144 9.15 1.37 0.01 - 0.30 0.03 - 0.23 0.01 0.11 0.01 0.02 0.01 0.40 6 93.90 0.10 2.23 1.77 3.43 - 0.20 0.16 - 0.09 0.50 0.05 293 9.37 1.22 0.03 - 0.13 - 0.01 0.33 0.01 0.14 - 0.09 0.01 0.31 HT07-2-3 
39.80 0.04 5.19 1.13 1.62 - 1.10 0.42 0.24 0.28 0.29 0.11 117 9.39 1.36 - - - - 0.11 2.24 - 0.10 0.01 0.22 0.06 0.70 2 103 0.04 8.16 0.76 5.32 - 0.68 - 0.43 0.07 - 0.04 198 8.96 1.23 0.04 - 0.19 - 0.02 0.23 - 0.10 - 0.29 0.01 0.23 3 115 - 8.16 0.08 3.41 - - 0.51 - 0.06 0.38 - 205 9.16 1.22 0.03 - 0.27 0.04 0.02 0.24 - 0.12 0.01 0.17 0.01 0.26 4 101 0.24 7.42 - 8.78 0.01 - - 0.26 0.02 0.66 - 306 8.11 1.33 0.01 0.06 0.36 - 0.01 0.16 0.01 0.11 0.05 0.54 0.03 0.09 5 56.10 0.19 5.19 0.47 1.14 - 0.22 0.10 0.38 0.17 0.26 0.01 142 9.00 1.31 0.01 0.24 0.20 0.47 - 1.25 - 0.12 0.08 2.46 0.03 0.43 HT10 1 24.20 - 40.81 - 1.12 0.03 1.03 0.02 0.34 0.33 0.46 0.01 125 9.27 1.39 - - 0.10 0.16 0.03 0.30 0.01 0.11 0.02 0.21 0.16 0.87 2 16.70 0.38 17.81 0.12 0.75 0.02 - 0.23 0.22 0.28 1.20 0.07 153 9.49 1.21 - 0.12 0.19 0.03 0.02 0.22 - 0.12 0.01 0.19 0.03 0.74 3 76.30 - 26.71 - 0.61 0.02 0.39 0.03 - 0.35 1.00 0.06 120 10.10 1.37 0.01 - 0.19 0.06 - 1.27 0.01 0.12 0.01 0.25 0.20 0.73 HT05 1 8.46 - 6.68 - - 0.02 - 0.06 - 0.04 - 0.01 101 9.27 1.24 - - - - - 0.10 - 0.13 - 0.03 0.02 0.59 2 0.38 - 6.68 0.06 0.18 - - - 0.33 0.07 - - 54.90 8.85 1.20 0.03 0.06 0.13 0.04 - 0.12 - 0.12 - 0.02 0.05 0.34 3 0.75 - 4.45 0.23 0.26 - - 0.43 0.11 - - - 36.60 8.93 1.30 0.01 0.23 0.15 - - 0.20 - 0.08 - 0.06 0.03 0.38 4 14.0 0.22 5.19 0.12 - - 0.41 - 0.11 0.10 - 0.04 47.40 9.28 1.28 - 0.12 - - - 0.75 - 0.10 0.01 0.24 - 0.35 5 4.06 - 8.16 - 2.61 - 0.01 0.24 0.38 0.11 - 0.02 57 9.99 1.28 0.01 - 0.05 - - 0.42 - 0.11 - 0.05 0.02 0.44 6 4.35 0.60 2.97 - 2.57 0.03 - 0.20 0.02 0.24 - 0.09 44.40 9.31 1.23 - - 0.27 0.20 0.10 0.53 - 0.11 - 0.08 0.02 1.06 7 9.24 - 4.45 - 0.31 - - 0.16 0.06 0.03 - 0.08 71.90 8.97 1.32 0.04 - - 0.25 - - 0.02 0.14 0.01 0.26 0.02 3.91 HT03 1 0.06 0.01 - - 1.75 0.05 - - 0.11 0.06 1.96 0.02 127 8.09 1.16 0.02 - 0.09 0.02 - 0.06 0.02 0.11 - 0.11 0.01 2.44 2 1.09 0.03 3.71 0.80 0.53 0.04 - - 0.22 0.13 - - 145 9.15 1.19 0.06 0.80 0.51 0.05 0.07 - - 0.10 0.01 - - 0.86 3 5.15 0.36 14.10 0.14 4.47 - 0.70 - 0.63 - - - 91.20 8.70 1.30 0.02 0.14 0.28 0.12 0.04 0.24 - 0.12 0.01 0.03 - 0.70 HT04 1 2.57 0.31 4.45 0.01 0.10 - 0.46 0.20 - - - 0.07 54.40 8.32 1.30 0.04 0.01 - - 0.02 0.14 - 0.11 0.01 0.00 - 1.20 2 0.70 - 3.71 0.24 1.31 0.04 0.65 - 0.22 0.04 - - 58.90 9.03 1.24 - 0.24 0.25 - 0.03 0.04 - 0.09 - 0.01 - 1.11 3 4.76 - - - 2.30 0.08 0.68 0.08 0.36 - 1.48 0.22 130 9.13 1.23 0.04 - - 0.04 - - - 0.07 0.01 0.07 0.01 2.30 HT01 1 0.19 - 1.48 0.49 1.87 - - - 0.56 0.35 - 0.13 533 9.24 1.32 0.14 0.49 0.24 0.12 0.05 0.24 - 0.08 - 0.04 0.78 2.78 2 - 0.38 - - 0.34 - 0.38 - - 0.05 1.35 - 619 8.97 1.20 0.03 - 0.04 - - - 0.01 0.10 0.04 1.85 0.19 0.71 3 - 0.22 - 0.12 - - - 0.35 4.92 0.12 - - 544 8.13 1.21 - 0.12 - - 0.11 0.20 - 0.08 0.01 0.17 0.40 1.51 4 0.06 0.26 - 0.35 - 0.01 1.15 - 0.27 - 2.09 0.08 451 8.87 1.04 - 0.35 0.02 0.12 - - - 0.10 - 0.06 0.19 0.79 5 0.62 0.34 8.16 - 15.29 0.04 - 0.53 0.29 0.31 0.57 0.44 378 9.61 1.19 0.02 - 0.08 0.12 0.25 0.33 - 0.09 - 0.09 0.96 2.93 6 0.54 1.80 2.23 0.01 0.24 0.07 - 0.64 0.64 0.56 2.26 0.99 455 8.99 1.21 - 0.01 0.55 0.13 0.34 1.59 0.03 0.10 - 0.62 1.11 2.84 注：“-”为低于检测限
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