滇西北铜厂沟矽卡岩−斑岩型钼铜矿床中石榴子石地球化学、U−Pb 年代学及地质意义

梁丰; 王艳军; 赵严; 李凯旋; 任志; 毛金伟; 陈涛亮; 冷成彪

doi:10.12401/j.nwg.2023142

滇西北铜厂沟矽卡岩−斑岩型钼铜矿床中石榴子石地球化学、U−Pb 年代学及地质意义

梁丰^{1, 2,},
王艳军^{1, 2},
赵严^{1, 2},
李凯旋^{1, 2},
任志^{1, 2},
毛金伟^{1, 2},
陈涛亮^{1, 2},
冷成彪^{1, 2, ,}

1.
东华理工大学，核资源与环境国家重点实验室，江西南昌　330013
2.
东华理工大学地球科学学院，江西南昌　330013

基金项目: 国家自然科学基金项目（42022021、92062101），第二次青藏高原综合科学考察研究项目（2021QZKK0301）联合资助

详细信息

作者简介:
梁丰（1999−），男，硕士研究生，从事斑岩型矿床研究工作。E−mail：1451829344@qq.com

通讯作者:
冷成彪（1982−），男，博士，教授，从事矿床学及地球化学的研究与教学工作。E−mail：lcb8207@163.com

中图分类号: P578.947；P597.3；P618.41
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出版历程
- 收稿日期: 2023-06-15
- 修回日期: 2023-09-28
- 网络出版日期: 2023-08-23
- 刊出日期: 2023-12-19

Geochemistry, U−Pb Chronology and Geological Significance of Garnet in the Skarn−Porphyry Molybdenum Copper Deposit in Tongchanggou, Northwest Yunnan Province

LIANG Feng^{1, 2,},
WANG Yanjun^{1, 2},
ZHAO Yan^{1, 2},
LI Kaixuan^{1, 2},
REN Zhi^{1, 2},
MAO Jinwei^{1, 2},
CHEN Taoliang^{1, 2},
LENG Chengbiao^{1, 2, ,}

1.
State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, Jiangxi, China
2.
College of Earth Sciences, East China University of Technology, Nanchang 330013, Jiangxi, China

摘要

摘要:
滇西北铜厂沟矽卡岩−斑岩型Mo−Cu矿床是扬子地块西缘新发现的大型钼铜矿床。矽卡岩在铜厂沟矿区广泛发育，是矿区最主要的赋矿岩石。笔者以铜厂沟矽卡岩中石榴子石（Grt）为研究对象，利用电子探针和LA−ICP−MS原位技术开展成分和年代学测试分析。根据矿物镜下特征，将矿区石榴子石分为早期（Grt I）和晚期（Grt II）两个世代。Grt I为浅黄色−黄白色、无环带石榴子石，Grt II为褐色−红褐色、具有明显环带的石榴子石。两期石榴子石的SiO₂（34.41%～38.45%）、CaO（32.7%～35.25%）、Al₂O₃（6.64%～12.57%）和FeO（12.03%～22.63%）含量指示，二者均属于钙铁榴石−钙铝榴石系列（And_34-64Gro_34-58）。Grt I和Grt II均呈轻稀土和重稀土亏损、中稀土富集的“驼峰型”配分模式。相比于Grt I，Grt II具有更低的U含量和变化范围更大的Eu异常，分别指示晚期矽卡岩矿化流体氧逸度较高和pH变化较大。Grt II中显著的环带结构及变化较大的主量成分指示晚期石榴子石化经历了更为强烈的水岩反应，与pH值变化较大的特征一致。因此，铜厂沟两期石榴子石记录了矽卡岩体系由相对封闭到开放、逐渐氧化的过程。此外，Grt I原位LA−ICP−MS U−Pb 年代学分析获得的年龄为（85.4±5.6）Ma （MSWD=0.91），直接限定铜厂沟矽卡岩的形成时代为晚白垩世。铜厂沟矽卡岩作用与矿区内斑岩体侵位及钼矿化时代在误差范围内一致，表明铜厂沟Mo−Cu矿床记录了完整的斑岩−矽卡岩矿化过程。结合区域构造演化历史，提出铜厂沟及区域上同时代的Cu−Mo−W等多金属矿床是晚白垩世碰撞后斑岩热液体系的产物。
- 矽卡岩−斑岩型钼铜矿床 /
- LA−ICP−MS U−Pb 年代学 /
- 碰撞后斑岩 /
- 石榴子石 /
- 铜厂沟 /
- 氧逸度
Abstract:
The Tongchanggou skarn−porphyry Mo−Cu deposit, located in the northwest Yunnan Province, is one of the newly−discovered large molybdenum−copper deposits in the western margin of the Yangtze Block. Skarn is widely exposed in the Tongchanggou deposit and is the most important ore−bearing body in the deposit. In this paper, both EPMA and LA−ICP−MS technology have been used to analyze the major and trace element compositions and U−Pb isotopes of garnet grains from the Tongchanggou skarn. Based on microscopic observation, the garnet in the Tongchanggou deposit can be divided into two generations: the early, light yellow to yellowish white, zoning−free to weakly zoning garnet (Grt I) and the late, brown to reddish brown, strongly zoning garnet (Grt II). The results of EPMA show that the two-generation garnet samples have SiO₂ contents of 34.41%～38.45%, CaO contents of 32.7%～35.25%, Al₂O₃ contents of 6.64%～12.57% and FeO contents of 12.03%～22.63%, indicating both the two generations belong to the andradite−grossularite series (And_34-64Gro_34-58). Both Grt I and Grt II have similar “hump−type” rare earth element (REE) pattern with enrichments in middle REE and depletions in light and heavy REE. Relative to Grt I, Grt II have lower U concentrations and more obvious δEu anomalies, indicating it formed under higher oxygen fugacity (f_O2) and more variable pH conditions. Meanwhile, stronger oscillatory zoning within Grt II than Grt I, together with more variable major elements, indicate more intensive water/rock interaction. The two-generation garnet of the Tongchanggou deposit record its an evolving hydrothermal system, accompanying with increasing oxygen fugacity and water/rock interaction degrees. In addition, LA−ICP−MS U−Pb dating results of Grt I yield an age of (85.4±5.6) Ma (MSWD= 0.91), which directly constrains the Tongchanggou mineralization age. Within uncertainties, this age is coeval with emplacement of porphyry intrusions and timing of Mo mineralization in the Tongchanggou area, indicating that the Tongchanggou skarn mineralization consists of an important part of the porphyry−hydrothermal mineralization system. Combined with regional tectonic evolution, it's proposed that the late Cretaceous Tongchanggou and regional coeval Cu−Mo−W deposits are products of post−collisional porphyry−hydrothermal system.
- skarn−porphyry Mo−Cu deposit /
- LA−ICP−MS U−Pb dating /
- post−collisional porphyry /
- garnet /
- Tongchanggou /
- oxygen fugacity

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图 1 铜厂沟钼铜矿床大地构造位置（据刘学龙等，2020）

Figure 1. Geotectonic location of the Tongchanggou Mo−Cu deposit

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图 2 铜厂沟钼铜矿床地质简图（a）和地质剖面简图（b）（据李文昌等，2012；高雪等，2017；李凯旋等，2019修改）

Figure 2. (a) Simplified geological map and (b) cross−section map of the Tongchanggou Mo−Cu deposit

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图 3 铜厂沟钼铜矿床典型矿石照片

a. 弱矿化花岗斑岩；b. 绿帘石化矽卡岩，含Grt I石榴子石；c. 辉钼矿大面积呈现，含少量Grt I石榴子石及少量残余方解石；d. 透辉石矽卡岩和石榴子石矽卡岩接触关系；e. 含石英脉和辉钼矿的Grt II石榴子石矽卡岩和大理岩接触关系；f. Grt II石榴子石矽卡岩被方解石脉切穿，后期石英、硫化物填充；Cal. 方解石；Ep. 绿帘石；Grt. 石榴子石；Kf. 钾长石；Mot. 辉钼矿；Qtz. 石英；Py. 黄铁矿

Figure 3. Photos of typical ores from the Tongchanggou Mo−Cu deposit

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图 4 铜厂沟钼铜矿床中两类石榴子石显微照片

a. 早期黄白色石榴子石（Grt I）；b～c. Grt I石榴子石震荡环带不发育；d. 晚期Grt II包裹早期Grt I石榴子石；e. 晚期红褐色石榴子石（Grt II）；f. Grt II石榴子石震荡环带发育；Cal. 方解石；Di. 透辉石；Grt. 石榴子石；Mot. 辉钼矿；Qtz. 石英； Ser. 绢云母

Figure 4. Photomicrographs of two generations of garnet from the Tongchanggou Mo−Cu deposit

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图 5 铜厂沟钼铜矿床中两类石榴子石成分变化示意图

Figure 5. The composition variation diagrams of two generations of garnet from the Tongchanggou Mo–Cu deposit

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图 6 铜厂沟钼铜矿床中两类石榴子石端元组分三角图解

Alm. 铁铝榴石；And. 钙铁榴石；Gro. 钙铝榴石； Pyr. 镁铝榴石；Spe. 锰铝榴石；Ura. 钙铬榴石

Figure 6. The end member component diagrams of two generations of garnet from the Tongchanggou Mo–Cu deposit

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图 7 铜厂沟钼铜矿床中两类石榴子石微量元素组成图解

Figure 7. Diagrams of trace element compositions of two generations of the garnet from the Tongchanggou Mo–Cu deposit

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图 8 铜厂沟钼铜矿床中两类石榴子石稀土元素配分图（标准化值据Sun et al.，1989）

Figure 8. Chondrite–normalized REE patterns of two generations of garnet from the Tongchanggou Mo–Cu deposit

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图 9 铜厂沟钼铜矿床中石榴子石LA–ICP–MS U–Pb定年结果图

Figure 9. Results of LA–ICP–MS U–Pb dating of garnet from the Tongchanggou Mo–Cu deposit

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图 10 铜厂沟石榴子石Ca与Mn、总REE与Y、Al+Fe与Ca+Mn+Mg、Si与Al+Fe协变图

Figure 10. Co-variations of Ca and Mn, total REE and Y, Al+Fe and Ca+Mn+Mg, Si and Al+Fe

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图 11 铜厂沟钼铜矿床中石榴子石总REE与总Al、Fe³⁺、Mg和Ca的关系图

Figure 11. Plots of total REE against total Al, Fe³⁺, Mg and Ca for the garnet from the Tongchanggou Mo–Cu deposit

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图 12 铜厂沟钼铜矿床中石榴子石中Fe³⁺/（Fe³⁺+Fe²⁺）− U 和W−U关系图

Figure 12. Plots of Fe³⁺/（Fe³⁺+Fe²⁺）− U and W−U for the garnets from the Tongchanggou Mo–Cu deposit

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图 13 铜厂沟钼铜矿床中石榴子石中Nd和δEu关系及核密度概率估计图

Figure 13. Relationship between and Kernel density estimation of Nd and δEu of the garnet from the Tongchanggou Mo–Cu deposit

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表 1 铜厂沟矿床石榴子石电子探针分析结果及端元组分表（%）

Table 1 EPMA data and endmember compositions of garnets from the Tongchanggou deposit (%)

样号	TCG1-5-1-1					TCG1-5-1-2					TCG1-5-1-3				TCG1-5-1-4
世代	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ
点位	1-1	1-2	1-3	1-4	1-5	2-1	2-2	2-3	2-4	2-5	3-1	3-2	3-3	3-4	4-1	4-2	4-3	4-4
SiO₂	37.74	37.88	38.45	38.09	37.62	37.03	37.20	37.81	37.72	37.71	34.41	35.59	35.37	35.53	34.72	35.70	35.61	35.15
TiO₂	0.52	0.35	1.48	0.19	0.24	1.33	1.24	1.78	1.37	0.84	2.33	0.91	0.44	0.35	1.90	1.09	0.39	0.25
Al₂O₃	8.43	8.49	12.57	9.84	8.24	8.06	8.36	11.22	9.76	9.11	6.64	10.47	8.78	9.46	7.29	11.00	8.76	7.97
FeO	19.03	19.41	12.03	17.63	19.46	18.59	18.19	14.01	15.91	17.62	21.54	17.44	20.88	20.01	21.62	16.93	20.80	21.50
MnO	0.79	0.79	0.61	0.53	0.70	0.88	0.67	0.44	0.49	0.32	0.63	0.50	0.71	0.69	0.74	0.57	0.78	0.71
MgO	0.07	0.03	0.07	0.03	0.04	0.08	0.10	0.08	0.09	0.04	0.12	0.07	0.08	0.06	0.08	0.07	0.06	0.06
CaO	32.84	32.94	34.2	33.66	33.25	32.95	33.21	34.13	34.00	33.94	33.89	34.69	33.89	34.25	33.91	35.17	34.02	33.78
Na₂O	0.04	0.03	0.03	−	0.02	0.01	0.02	−	−	0.01	0.03	0.03	0.03	0.03	0.03	0.01	0.01	0.03
K₂O	−	−	−	−	−	−	−	0.01	−	−	−	0.01	−	−	−	−	0.01	−
Cr₂O₃	0.016	0.008	0.122	−	0.039	0.025	0.013	0.029	0.014	−	0.092	0.008	−	0.08	0.27	0.03	−	0.01
Total	99.46	99.92	99.54	99.97	99.60	98.96	98.99	99.51	99.35	99.59	99.67	99.72	100.17	100.45	100.54	100.57	100.43	99.47
Si	3.04	3.04	3.02	3.04	3.04	3.01	3.01	3.00	3.01	3.02	2.83	2.87	2.87	2.87	2.83	2.85	2.88	2.88
Al	0.83	0.84	1.19	0.96	0.82	0.80	0.83	1.08	0.95	0.89	0.67	1.03	0.88	0.94	0.73	1.07	0.87	0.81
Ti	0.03	0.02	0.09	0.01	0.01	0.08	0.08	0.11	0.08	0.05	0.14	0.06	0.03	0.02	0.12	0.07	0.02	0.02
Fe³⁺	0.93	0.94	0.59	0.85	0.96	0.95	0.92	0.70	0.81	0.88	1.14	0.90	1.04	1.00	1.11	0.87	1.04	1.10
Fe²⁺	0.35	0.37	0.20	0.33	0.35	0.32	0.31	0.23	0.25	0.30	0.33	0.28	0.37	0.35	0.36	0.26	0.36	0.37
Mn	0.05	0.05	0.04	0.04	0.05	0.06	0.05	0.03	0.03	0.02	0.04	0.03	0.05	0.05	0.05	0.04	0.05	0.05
Mg	0.01	−	0.01	−	−	0.01	0.01	0.01	0.01	−	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
Cr	−	−	0.01	−	−	−	−	−	−	−	0.01	−	−	0.01	0.02	−	−	−
Ca	2.84	2.84	2.88	2.88	2.87	2.87	2.88	2.90	2.91	2.91	2.98	3.00	2.95	2.96	2.96	3.01	2.95	2.97
And	53.69	53.79	33.57	47.87	55.05	55.04	53.65	40.02	46.9	50.62	63.82	47.37	55.43	52.47	60.80	45.76	55.52	58.84
Gro	43.87	43.98	64.18	50.67	42.82	42.14	44.05	58.37	51.38	48.38	33.68	51.11	42.51	45.37	36.05	52.50	42.33	39.11
Pyr+Spe+Ura+Alm	2.44	2.22	2.25	1.46	2.13	2.82	2.31	1.61	1.73	0.99	2.49	1.52	2.07	2.16	3.15	1.74	2.15	2.05

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续表1
样号	TCG1-5-1-1					TCG1-5-1-2					TCG1-5-1-3				TCG1-5-1-4
世代	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅱ	Ⅰ	Ⅰ	Ⅰ	Ⅰ	Ⅰ	Ⅰ	Ⅰ	Ⅰ
点位	5-1	5-2	5-3	5-4	1-1	1-2	1-3	2-1	2-2	2-3	2-4	1-1	2-1	2-2	3-1
SiO₂	35.40	35.90	35.79	35.65	34.64	34.91	34.90	35.22	35.06	35.70	34.93	36.10	35.77	35.73	35.85
TiO₂	0.32	0.26	0.14	0.22	0.87	0.83	0.62	0.26	0.87	0.52	1.05	0.38	0.79	0.51	0.59
Al₂O₃	7.65	10.34	9.33	9.08	6.99	9.35	9.22	7.61	8.76	9.63	10.00	8.06	11.2	9.74	9.03
FeO	22.63	18.69	20.72	20.55	21.78	17.51	18.45	22.08	18.42	18.46	16.97	21.27	16.83	18.81	18.54
MnO	0.73	0.56	0.74	0.73	0.76	0.40	0.51	0.40	0.42	0.51	0.68	0.51	0.67	0.64	0.38
MgO	0.05	0.03	0.05	0.05	0.08	0.13	0.05	0.05	0.22	0.07	0.06	0.03	0.04	0.05	0.07
CaO	33.68	34.42	34.08	34.07	32.73	34.05	34.55	34.33	34.65	35.02	34.89	34.3	35.15	34.94	35.25
Na₂O	−	0.01	0.02	0.03	0.02	0.02	0.02	−	0.04	−	0.02	0.05	−	0.01	−
K₂O	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−
Cr₂O₃	−	−	−	−	−	0.01	0.02	0.01	−	−	0.01	0.01	0.02	0.01	0.04
Total	100.46	100.20	100.87	100.39	97.88	97.20	98.33	99.96	98.45	99.91	98.61	100.71	100.46	100.43	99.74
Si	2.88	2.89	2.88	2.88	2.89	2.89	2.87	2.88	2.88	2.88	2.85	2.91	2.86	2.87	2.90
Al	0.77	1.02	0.92	0.90	0.72	0.95	0.93	0.77	0.88	0.95	1.00	0.80	1.09	0.96	0.90
Ti	0.02	0.02	0.01	0.01	0.05	0.05	0.04	0.02	0.05	0.03	0.06	0.02	0.05	0.03	0.04
Fe³⁺	1.13	0.93	1.02	1.02	1.13	0.95	0.99	1.14	1.01	0.97	0.93	1.07	0.86	0.97	1.00
Fe²⁺	0.41	0.33	0.38	0.36	0.39	0.26	0.27	0.37	0.25	0.28	0.23	0.36	0.26	0.29	0.26
Mn	0.05	0.04	0.05	0.05	0.05	0.03	0.04	0.03	0.03	0.03	0.05	0.04	0.05	0.04	0.03
Mg	0.01	−	0.01	0.01	0.01	0.02	0.01	0.01	0.03	0.01	0.01	−	−	0.01	0.01
Cr	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−
Ca	2.94	2.97	2.94	2.95	2.93	3.02	3.04	3.00	3.05	3.03	3.05	2.97	3.01	3.01	3.05
And	60.66	48.58	53.46	54.21	62.18	50.97	52.63	60.82	54.41	51.43	49.15	58.33	45.28	51.26	53.60
Gro	37.30	49.95	44.56	43.83	35.46	47.46	45.87	37.94	43.52	47.02	48.90	40.28	52.91	46.96	45.03
Pyr+Spe+ Ura+Alm	2.04	1.47	1.99	1.96	2.36	1.58	1.50	1.24	2.07	1.54	1.95	1.40	1.81	1.77	1.36
注：“−”低于检出限（BDL）；基于12个氧原子为标准计算。

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表 2 铜厂沟矿床石榴子石LA–ICP–MS微量元素（10⁻⁶ ）测试结果统计表

Table 2 Trace element analysis result (10⁻⁶) of the Tongchanggou garnets by LA–ICP–MS

样号	TCG1-5-1-1					TCG1-5-1-2					TCG1-5-1-3				TCG1-5-1-4
世代	Ⅱ					Ⅱ					Ⅱ				Ⅱ
点位	1-1	1-2	1-3	1-4	1-5	2-1	2-2	2-3	2-4	2-5	3-1	3-2	3-3	3-4	4-1	4-2	4-3	4-4
Mg	731	537	521	387	396	754	799	657	637	595	519	508	499	524	851	492	453	470
Ca	247400	241200	252000	256000	252000	237700	245100	244400	254000	245300	225300	236100	237100	243500	236200	241500	244300	233400
Sc	43.4	5.90	−	2.10	−	18.5	11.6	2.96	−	1.26	9.91	3.03	1.28	−	46.1	4.54	1.47	1.67
Ti	5120	2000	2620	2120	1833	7870	8390	7380	7000	7230	5740	4300	2289	2092	14240	4400	2577	2310
V	129	109	145	117	122	128	126	148	111	119	91.4	132	115	121	110	119	118	117
Cr	431	26.0	158	−	−	117	104	1490	25.0	−	217	60.0	28.0	−	1560	66.0	26.7	32.0
Mn	5640	5980	5090	4080	5060	5660	6010	3900	4279	4130	5020	5620	5640	5470	5410	4990	5150	5920
Fe	127800	130200	120600	123100	128900	129200	128900	109200	125200	117300	126500	113100	124600	130300	127600	119000	127300	127900
Co	−	−	−	−	−	0.62	−	−	−	−	−	−	−	−	−	−	−	−
Ni	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−
Sr	4.70	−	0.98	−	−	0.35	−	0.70	−	0.54	−	−	−	−	0.61	−	−	−
Y	26.9	8.30	4.71	2.10	2.45	25.7	23.8	12.0	11.3	10.3	20.4	13.4	7.94	4.80	42.1	15.9	8.80	7.20
Zr	160	26.0	17.7	15.6	5.50	115	92.0	89.4	67.5	58.6	184	57.2	22.8	28.0	262	66.1	36.0	31.9
Nb	8.80	4.00	3.36	4.00	3.60	13.4	11.0	11.5	11.1	11.6	9.00	9.00	5.10	4.69	20.4	6.51	4.60	3.23
Mo	−	5.10	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−	−
Cs	−	−	−	−	−	0.19	−	−	0.43	−	−	−	−	−	0.28	−	−	−
Hf	10.4	−	−	−	−	4.99	3.16	1.50	2.16	1.20	4.36	1.55	−	−	13.0	1.40	0.85	−
Ta	1.46	−	0.22	0.16	−	1.15	1.02	0.80	0.72	0.61	0.76	0.66	0.30	0.21	4.80	0.59	0.17	0.33
W	5.90	5.53	8.10	6.00	8.60	5.03	4.12	3.94	4.87	5.30	7.40	5.50	6.91	9.00	6.60	8.10	6.90	7.00
Pb	−	−	1.91	−	−	0.98	−	−	−	−	−	−	−	−	1.51	−	−	−
Th	1.01	0.46	0.21	0.56	0.41	0.24	0.22	−	0.19	0.18	0.62	−	1.56	2.04	−	−	1.27	1.08
U	0.36	0.31	−	0.20	−	0.32	0.31	0.27	0.23	0.27	0.33	0.15	0.22	0.26	0.51	0.23	0.10	0.16
La	4.90	0.15	−	−	0.18	−	−	−	−	−	0.23	−	0.14	0.21	−	−	0.20	−
Ce	13.7	2.10	3.05	4.70	4.57	1.74	1.05	1.20	2.19	1.98	3.73	1.14	3.54	4.46	1.55	1.53	4.05	3.01
Pr	2.27	0.72	0.99	1.35	1.51	0.71	0.46	0.58	0.79	0.57	1.39	0.38	1.21	1.32	0.65	0.56	1.30	1.05
Nd	13.1	8.20	8.20	9.80	9.70	5.99	4.50	5.10	6.90	7.00	9.30	3.70	9.30	11.8	5.40	4.83	10.6	9.60
Sm	3.87	2.22	2.17	1.65	1.53	3.13	2.56	1.85	3.17	2.91	3.26	2.63	2.82	2.15	4.93	1.50	3.10	2.41
Eu	1.25	1.02	0.65	1.00	0.93	0.82	0.74	0.85	0.81	0.66	0.80	0.67	0.79	1.26	0.71	0.63	1.17	0.59
Gd	3.24	1.20	1.71	1.23	1.49	3.79	3.25	3.44	3.62	3.63	2.94	2.17	1.94	1.80	6.00	2.33	2.30	2.45
Tb	0.59	0.26	0.22	−	0.15	0.86	0.50	0.48	0.66	0.46	0.39	0.41	0.21	0.22	1.00	0.47	0.31	0.14
Dy	5.30	1.64	1.12	0.58	0.44	4.63	4.09	2.50	2.24	2.03	2.99	2.79	1.34	0.93	6.89	2.67	1.55	1.36
Ho	0.82	0.28	0.16	−	−	1.05	0.77	0.40	0.53	0.40	0.60	0.52	0.28	0.18	1.46	0.59	0.30	0.33
Er	3.09	0.70	0.68	−	−	2.73	2.14	1.12	0.98	0.77	1.88	1.34	0.65	0.42	5.45	1.98	0.80	0.54
Tm	0.45	−	−	−	−	0.38	0.26	0.13	0.17	0.09	0.26	0.21	0.07	−	0.76	0.27	0.13	−
Yb	3.78	0.83	−	−	−	2.27	2.00	0.85	0.42	0.65	2.14	1.18	0.69	−	5.90	1.31	0.62	0.80
Lu	0.44	0.11	−	0.03	−	0.31	0.22	0.07	0.11	0.06	0.41	0.18	−	−	0.88	0.22	−	−
∑REE	56.8	19.4	19.0	20.3	20.5	28.4	22.5	18.6	22.6	21.2	30.3	17.3	23.0	24.8	41.6	18.9	26.4	22.3
LREE	39.1	14.4	15.1	18.5	18.4	12.4	9.31	9.58	13.9	13.1	18.7	8.52	17.8	21.2	13.2	9.05	20.4	16.7
HREE	17.7	5.02	3.89	1.84	2.08	16.0	13.2	8.99	8.73	8.10	11.6	8.80	5.18	3.54	28.3	9.84	6.00	5.62
LREE/HREE	2.21	2.87	3.87	10.0	8.87	0.77	0.70	1.07	1.59	1.62	1.61	0.97	3.44	5.98	0.47	0.92	3.40	2.96
（La/Yb）_N	0.93	0.13	−	−	−	−	−	−	−	−	0.08	−	0.14	−	−	−	0.23	−
δEu	1.08	1.91	1.03	2.15	1.88	0.73	0.78	1.03	0.73	0.62	0.79	0.86	1.03	1.96	0.40	1.03	1.34	0.74
δCe	1.01	1.59	−	−	2.15	−	−	−	−	−	1.61	−	2.15	2.07	−	−	1.94	−

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续表2
样号	TCG1-5-1-5				TCG1-4-1-1			TCG1-4-1-2				TCG1-1-2-1	TCG1-1-2-2		TCG1-1-2-3
世代	Ⅱ				Ⅰ			Ⅰ				Ⅰ	Ⅰ		Ⅰ
点位	5-1	5-2	5-3	5-4	1-1	1-2	1-3	2-1	2-2	2-3	2-4	1-1	2-1	2-2	3-1
Mg	501	377	419	392	419	644	835	522	885	868	842	1300	569	495	492
Ca	236700	237300	238400	232000	238100	240100	229500	235800	234000	239800	244900	241200	239600	238700	240700
Sc	−	−	−	−	2.00	−	−	−	1.55	1.66	−	1.53	3.93	1.52	4.97
Ti	2168	1463	1589	1203	2750	4870	2820	2369	4070	4560	3560	4060	4220	4030	3580
V	107	92.8	107	113	126	88.5	87.4	225	373	181	104	100	115	9030	97.0
Cr	−	−	−	−	−	−	−	−	33	−	−	−	−	−	−
Mn	5140	4583	5490	5540	3420	3409	3572	4040	5850	4140	4197	4140	3653	4270	3610
Fe	145400	119300	130500	123400	126400	118700	108000	141700	132700	121700	102300	116300	107100	111400	121300
Co	−	0.18	−	−	1.71	3.08	2.49	4.60	5.20	4.30	2.80	5.50	2.67	3.60	2.96
Ni	−	−	0.59	−	−	11.1	5.10	−	7.20	7.20	−	9.30	6.10	5.20	5.70
Sr	−	−	−	−	−	1.38	0.68	−	11.0	2.30	2.21	3.80	0.84	0.66	0.52
Y	4.97	4.11	3.21	2.02	5.57	6.47	4.29	5.05	6.06	8.90	4.85	8.60	22.0	8.00	18.1
Zr	17.8	8.30	7.20	5.80	19.7	24.1	23.4	22.9	48.7	54.3	36.2	45.5	67.0	50.5	43.6
Nb	3.96	2.93	2.14	2.17	4.20	4.11	2.38	4.26	9.10	8.10	2.15	2.26	0.87	2.07	2.74
Mo	−	−	−	−	−	−	−	−	−	−	−	32.0	−	−	−
Cs	0.26	−	−	−	−	−	−	−	2.48	0.35	−	−	−	−	−
Hf	−	−	−	−	0.73	0.26	−	−	1.39	0.85	−	0.71	0.83	0.60	0.69
Ta	−	0.11	0.10	−	0.27	0.39	0.25	0.17	0.28	0.53	0.24	0.17	−	0.24	0.22
W	35.3	13.8	16.5	13.5	3.00	0.45	−	9.60	3.66	−	0.28	0.58	−	0.26	0.98
Pb	0.68	2.58	−	0.16	−	−	0.79	−	7.40	1.80	−	−	−	−	−
Th	1.09	−	0.21	0.19	0.34	0.70	0.33	0.84	1.15	0.36	0.28	2.66	0.81	0.16	0.50
U	0.38	0.15	0.18	0.22	3.50	3.45	0.51	6.26	8.93	2.87	0.78	1.99	1.92	1.40	1.61
La	0.50	0.24	−	0.13	1.10	1.07	0.82	1.87	1.71	0.86	0.46	4.00	1.54	0.80	1.15
Ce	8.67	3.17	4.24	3.23	10.6	12.9	8.08	11.3	10.9	6.80	3.86	16.8	13.3	10.6	13.1
Pr	2.51	0.62	1.03	0.94	2.95	3.36	2.05	2.83	1.82	1.90	1.04	3.99	3.60	3.58	3.85
Nd	12.9	2.64	7.31	6.10	19.4	20.5	14.2	15.2	10.8	10.6	8.70	25.0	25.0	21.7	28.0
Sm	1.91	−	0.57	1.14	2.53	4.11	2.67	2.27	1.40	2.78	2.34	4.15	5.68	3.76	4.63
Eu	0.97	0.49	0.92	0.71	1.13	1.45	0.97	1.03	0.70	1.09	0.64	1.64	1.42	1.17	1.81
Gd	1.03	−	0.78	−	1.23	2.54	2.04	1.68	1.25	2.12	1.74	2.64	3.91	2.19	4.04
Tb	0.11	−	−	−	0.20	0.39	0.13	0.21	0.26	0.27	0.19	0.45	0.64	0.37	0.52
Dy	1.38	0.61	0.64	−	1.20	1.66	0.78	1.20	0.94	1.34	1.20	1.62	3.78	1.86	3.46
Ho	0.18	0.12	−	−	0.14	0.17	−	0.24	0.29	0.45	0.19	0.29	0.68	0.20	0.64
Er	−	0.49	0.28	0.35	0.73	0.76	0.28	0.55	0.58	1.08	0.68	0.94	2.74	0.46	1.93
Tm	0.08	−	−	−	−	−	−	−	−	−	−	0.11	0.28	0.08	0.21
Yb	1.10	0.85	−	−	0.66	0.37	−	0.41	0.75	0.50	0.48	0.34	2.19	−	1.61
Lu	0.12	−	0.07	−	−	−	−	0.07	0.09	0.15	−	0.10	0.28	−	0.24
∑REE	31.5	9.23	15.8	12.6	41.8	49.2	32.0	38.9	31.5	29.9	21.5	62.1	65.0	46.8	65.1
LREE	27.5	7.16	14.1	12.3	37.7	43.4	28.8	34.5	27.3	24.0	17.0	55.6	50.5	41.6	52.5
HREE	4.00	2.07	1.77	0.35	4.16	5.89	3.23	4.35	4.17	5.90	4.48	6.49	14.5	5.16	12.7
LREE/HREE	6.90	3.45	7.94	35.0	9.06	7.36	8.92	7.93	6.55	4.07	3.80	8.56	3.49	8.06	4.15
(La/Yb)_N	0.33	0.20	−	−	1.20	2.07	−	3.27	1.64	1.23	0.69	8.44	0.50	−	0.51
δEu	2.11	−	4.22	−	1.96	1.37	1.27	1.61	1.62	1.37	0.97	1.51	0.92	1.25	1.28
δCe	1.90	2.01	−	2.25	1.44	1.66	1.53	1.20	1.51	1.30	1.37	1.03	1.38	1.54	1.52

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续表2
样号	TCG1-5-1-6							TCG1-5-1-7										TCG1-5-1-8
世代	Ⅱ							Ⅱ										Ⅱ
点位	6-1	6-2	6-3	6-4	6-5	6-6	6-7	7-1	7-2	7-3	7-4	7-5	7-6	7-7	7-8	7-9	7-10	8-1
La	0.15	0.18	0.18	0.19	0.16	0.17	0.11	0.07	0.11	0.11	0.09	0.10	0.16	0.14	0.08	0.09	0.12	0.05
Ce	3.17	3.45	3.72	3.19	3.24	3.29	2.74	2.05	2.70	2.32	1.63	2.48	3.16	3.32	2.57	2.03	2.65	1.41
Pr	1.00	0.97	1.12	1.00	0.91	0.92	0.85	0.77	0.88	0.83	0.61	0.87	0.97	1.13	0.87	0.75	0.89	0.51
Nd	6.27	6.64	6.77	6.25	6.05	6.35	5.21	5.81	6.57	6.10	4.97	6.64	7.19	7.68	6.98	6.08	6.70	4.80
Sm	0.96	1.03	0.92	1.02	0.92	1.18	0.87	1.11	1.52	1.38	1.62	1.46	1.98	1.72	1.51	1.48	2.29	2.16
Eu	0.80	0.80	0.82	0.73	0.72	0.82	0.63	0.69	0.65	0.68	0.54	0.66	0.67	0.66	0.80	0.68	0.73	0.71
Gd	0.45	0.49	0.33	0.32	0.35	0.34	0.42	0.78	0.93	0.98	1.83	1.35	1.71	1.30	0.91	1.11	1.86	2.85
Tb	0.03	0.05	0.03	0.03	0.04	0.04	0.05	0.11	0.12	0.13	0.29	0.20	0.21	0.19	0.10	0.10	0.20	0.35
Dy	0.18	0.15	0.09	0.10	0.15	0.13	0.28	0.55	0.70	0.79	1.87	0.97	1.26	1.02	0.50	0.62	1.19	1.68
Ho	0.02	0.02	0.01	0.02	0.02	0.03	0.04	0.10	0.12	0.14	0.37	0.19	0.23	0.18	0.07	0.11	0.24	0.20
Er	0.04	0.03	0.02	0.05	0.03	0.03	0.12	0.29	0.29	0.35	1.05	0.52	0.58	0.55	0.15	0.28	0.66	0.54
Tm	–	–	–	0.01	0.01	0.01	0.01	0.03	0.03	0.04	0.14	0.08	0.07	0.05	0.02	0.04	0.09	0.05
Yb	0.02	0.01	0.03	0.04	0.04	0.03	0.15	0.24	0.23	0.34	0.95	0.44	0.54	0.36	0.17	0.20	0.54	0.25
Lu	–	–	–	–	0.01	0.01	0.01	0.02	0.03	0.04	0.15	0.06	0.06	0.05	0.02	0.03	0.08	0.05
∑REE	13.1	13.8	14.0	13.0	12.6	13.4	11.5	12.6	14.9	14.2	16.1	16.0	18.8	18.4	14.8	13.6	18.2	15.6
LREE	12.4	13.1	13.5	12.4	12.0	12.7	10.4	10.5	12.4	11.4	9.45	12.2	14.1	14.7	12.8	11.10	13.4	9.6
HREE	0.74	0.74	0.51	0.56	0.64	0.62	1.08	2.12	2.45	2.80	6.65	3.80	4.66	3.70	1.93	2.50	4.86	5.96
LREE/HREE	16.6	17.7	26.6	22.0	18.7	20.7	9.61	4.95	5.06	4.08	1.42	3.22	3.03	3.96	6.64	4.44	2.75	1.61
(La/Yb)_N	5.81	11.7	4.23	3.46	3.23	4.00	0.54	0.22	0.34	0.23	0.06	0.16	0.21	0.28	0.36	0.33	0.15	0.15
δEu	3.75	3.43	4.53	3.96	3.89	3.98	3.17	2.25	1.66	1.80	0.95	1.44	1.12	1.35	2.09	1.61	1.08	0.87
δCe	1.98	2.03	2.05	1.80	2.07	2.02	2.17	2.14	2.12	1.89	1.76	2.07	1.97	2.04	2.33	1.90	2.03	2.16

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样号	TCG1-5-1-8					TCG1-5-1-9									TCG1-5-1-10
世代	Ⅱ					Ⅱ									Ⅱ
点位	8-2	8-3	8-4	8-5	8-6	9-1	9-2	9-3	9-4	9-5	9-6	9-7	9-8	9-9	10-1	10-2	10-3	10-4
La	0.04	0.04	0.04	0.09	0.03	0.09	0.15	0.20	0.14	0.13	0.07	0.14	0.15	0.13	0.08	0.12	0.07	0.02
Ce	1.16	1.15	0.75	1.53	0.87	2.34	2.39	3.91	3.31	2.49	1.96	2.47	2.54	2.55	1.99	2.12	1.33	0.63
Pr	0.42	0.49	0.37	0.56	0.37	0.78	0.76	1.10	1.07	0.83	0.71	0.75	0.79	0.76	0.70	0.75	0.53	0.34
Nd	3.58	4.30	3.49	4.74	3.64	5.66	6.02	6.35	6.88	5.84	5.46	5.62	5.64	5.61	5.37	5.43	4.87	3.88
Sm	1.56	1.64	1.84	2.29	1.92	1.28	1.66	1.10	1.36	1.33	1.51	1.27	1.42	1.31	1.73	1.92	2.49	2.40
Eu	0.69	0.72	0.61	0.70	0.71	0.70	0.73	0.61	0.75	0.70	0.81	0.70	0.67	0.59	0.73	0.83	0.66	0.72
Gd	1.88	2.26	2.27	2.51	2.53	1.06	1.32	0.73	1.07	1.30	1.32	1.33	1.05	0.96	1.29	2.30	2.81	0.86
Tb	0.26	0.31	0.40	0.34	0.43	0.12	0.18	0.08	0.14	0.14	0.19	0.16	0.13	0.10	0.12	0.29	0.50	0.08
Dy	1.38	1.97	2.76	1.47	2.95	0.66	0.83	0.39	0.79	0.81	1.01	0.90	0.68	0.53	0.54	1.18	3.55	0.15
Ho	0.19	0.31	0.49	0.22	0.53	0.10	0.14	0.04	0.10	0.14	0.19	0.13	0.10	0.08	0.09	0.17	0.62	0.01
Er	0.42	0.95	1.39	0.47	1.19	0.20	0.33	0.14	0.22	0.26	0.65	0.27	0.26	0.18	0.11	0.38	1.57	0.01
Tm	0.03	0.08	0.16	0.04	0.19	0.04	0.04	0.01	0.03	0.03	0.06	0.04	0.03	0.02	0.03	0.05	0.23	–
Yb	0.20	0.60	1.07	0.38	1.03	0.16	0.22	0.08	0.12	0.25	0.50	0.21	0.14	0.15	0.17	0.29	1.33	0.04
Lu	0.03	0.09	0.14	0.03	0.12	0.01	0.02	0.01	0.02	0.03	0.07	0.04	0.02	0.01	0.01	0.03	0.18	–
∑REE	11.8	14.9	15.8	15.4	16.5	13.2	14.8	14.7	16.0	14.3	14.5	14.0	13.6	13.0	13.0	15.9	20.7	9.14
LREE	7.45	8.35	7.10	9.92	7.54	10.9	11.7	13.3	13.5	11.3	10.5	11.0	11.2	11.0	10.6	11.2	9.95	7.99
HREE	4.37	6.58	8.67	5.46	8.97	2.35	3.09	1.47	2.50	2.97	3.99	3.07	2.41	2.03	2.36	4.69	10.8	1.15
LREE/HREE	1.70	1.27	0.82	1.82	0.84	4.61	3.80	9.00	5.44	3.82	2.64	3.57	4.65	5.39	4.50	2.38	0.92	6.95
(La/Yb)_N	0.14	0.05	0.03	0.17	0.02	0.41	0.49	1.82	0.86	0.39	0.09	0.47	0.79	0.64	0.34	0.29	0.04	0.36
δEu	1.23	1.15	0.91	0.90	0.99	1.84	1.52	2.07	1.91	1.63	1.76	1.64	1.69	1.59	1.49	1.20	0.76	1.54
δCe	2.19	1.94	1.47	1.65	2.00	2.16	1.72	2.07	2.07	1.83	2.22	1.89	1.81	1.98	2.09	1.74	1.68	1.92

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续表2
样号	TCG1-5-1-10	TCG1-1-2-4
世代	Ⅱ	Ⅰ
点位	10-5	4-1	4-2	4-3	4-4	4-5	4-6	4-7	4-8	4-9	4-10	4-11	4-12	4-13	4-14	4-15	4-16	4-17
La	0.04	0.69	0.81	0.66	0.69	0.61	0.81	2.04	0.72	0.67	0.73	0.76	0.53	0.51	0.61	0.64	0.69	0.75
Ce	1.03	9.27	10.7	7.98	8.97	8.54	9.96	10.5	9.62	9.27	9.09	8.44	7.13	6.63	9.07	8.90	8.90	7.85
Pr	0.47	2.82	3.28	2.71	2.83	2.79	2.93	2.57	3.18	2.92	3.12	2.64	2.36	2.08	2.94	2.83	2.64	2.22
Nd	4.90	18.5	19.2	17.7	19.5	19.4	17.8	16.3	21.4	19.5	22.0	15.1	14.6	11.7	20.7	19.1	15.4	15.7
Sm	2.22	3.21	3.59	3.26	3.79	3.53	3.70	2.68	3.82	3.93	3.95	3.01	1.96	1.65	4.64	3.64	2.50	3.13
Eu	0.67	1.16	1.21	1.16	1.25	1.20	1.08	1.01	1.29	1.27	1.39	0.87	1.03	0.74	1.38	1.10	0.99	1.03
Gd	3.15	2.04	2.13	2.02	2.54	2.10	2.50	1.53	2.15	2.65	2.24	1.51	1.65	1.30	2.74	2.11	1.72	2.05
Tb	0.46	0.25	0.21	0.21	0.36	0.24	0.33	0.23	0.28	0.31	0.26	0.18	0.17	0.14	0.35	0.23	0.22	0.25
Dy	3.37	1.13	1.22	1.20	2.16	1.04	2.44	1.22	1.39	1.85	1.38	0.88	0.97	0.80	2.07	1.23	1.20	1.60
Ho	0.63	0.24	0.22	0.22	0.43	0.19	0.51	0.19	0.23	0.35	0.26	0.18	0.14	0.14	0.35	0.23	0.20	0.30
Er	1.75	0.56	0.49	0.54	1.32	0.49	1.48	0.43	0.62	0.88	0.64	0.43	0.48	0.32	0.74	0.54	0.46	0.85
Tm	0.27	0.07	0.07	0.07	0.18	0.08	0.19	0.08	0.06	0.14	0.08	0.06	0.04	0.03	0.13	0.06	0.06	0.11
Yb	1.71	0.43	0.40	0.40	1.00	0.46	1.39	0.40	0.37	0.83	0.55	0.40	0.35	0.27	0.62	0.32	0.52	0.85
Lu	0.21	0.07	0.05	0.07	0.17	0.05	0.18	0.04	0.05	0.12	0.08	0.04	0.05	0.04	0.08	0.05	0.06	0.12
∑REE	20.8	40.5	43.6	38.2	45.2	40.7	45.4	39.2	45.2	44.7	45.7	34.5	31.4	26.4	46.4	41.0	35.6	36.8
LREE	9.29	35.7	38.8	33.5	37.1	36.1	36.3	35.1	40.0	37.5	40.2	30.8	27.6	23.3	39.3	36.2	31.1	30.7
HREE	11.6	4.78	4.79	4.73	8.16	4.65	9.03	4.12	5.14	7.14	5.49	3.68	3.85	3.03	7.08	4.77	4.44	6.13
LREE/HREE	0.80	7.47	8.09	7.08	4.54	7.75	4.02	8.52	7.79	5.26	7.33	8.36	7.17	7.69	5.55	7.60	7.01	5.01
(La/Yb)_N	0.02	1.15	1.43	1.18	0.49	0.95	0.42	3.66	1.42	0.58	0.95	1.36	1.07	1.37	0.71	1.43	0.95	0.63
δEu	0.78	1.39	1.34	1.38	1.23	1.35	1.09	1.52	1.38	1.20	1.43	1.24	1.76	1.55	1.18	1.21	1.45	1.24
δCe	1.79	1.63	1.61	1.47	1.58	1.60	1.59	1.13	1.56	1.63	1.47	1.46	1.56	1.58	1.66	1.62	1.61	1.49
注：“–”低于检出限（BDL）。

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表 3 铜厂沟钼铜矿床石榴子石原位LA–ICP–MS U–Pb同位素测年结果统计表

Table 3 LA–ICP–MS U–Pb isotope data for garnet from the Tongchanggou Mo–Cu deposit

测点	Pb	Th	U	同位素比值						年龄（Ma）
测点	（×10⁻⁶）			²⁰⁷Pb/²⁰⁶Pb	1 s%	²⁰⁷Pb/²³⁵U	1 s%	²⁰⁶Pb/²³⁸U	1 s%	²⁰⁶Pb/²³⁸U	2 s
1	1.25	0.60	8.47	0.4817	9.9342	3.2706	19.3788	0.0368	11.3667	230	50
2	1.05	0.59	3.63	0.7169	5.7784	6.8459	6.9324	0.0696	5.6704	432	47
3	0.95	0.80	5.46	0.6646	5.9340	3.8735	4.7643	0.0458	5.2045	288	29
4	0.38	0.32	1.25	1.1707	20.8328	13.1556	9.2156	0.1156	11.0331	684	139
5	0.17	0.41	2.71	0.3797	60.0755	1.0736	24.6507	0.0192	15.8324	121	38
6	0.12	0.21	1.79	0.2159	27.1368	0.3117	28.9429	0.0147	7.8748	94	15
7	0.08	0.49	1.08	0.5863	35.7225	1.0457	26.5898	0.0213	10.4940	143	32
8	0.06	0.36	0.96	0.3145	62.1575	0.2682	74.4937	0.0199	10.2010	126	25
9	0.25	0.35	1.53	0.5731	19.2689	3.1951	20.3208	0.0396	18.2889	243	82
10	0.12	2.48	1.81	0.2015	32.4008	0.3572	23.8138	0.0158	7.9731	101	16
11	0.17	0.40	1.13	0.4891	22.9442	3.9458	15.8619	0.0432	10.7258	269	56
12	0.11	1.08	0.49	1.1058	11.4768	7.6788	9.4671	0.0684	7.6970	422	63
13	0.15	0.53	1.27	0.5611	19.5847	2.2223	11.3584	0.0343	9.2611	215	39
14	0.08	0.29	1.11	0.2201	33.1213	0.6813	23.8071	0.0203	10.0897	129	26
15	0.10	0.31	1.49	0.2349	41.4056	0.4130	27.9391	0.0166	9.0082	106	19
16	0.07	0.24	1.24	0.3089	31.6357	0.4855	29.3757	0.0157	11.1826	100	22
17	0.11	0.30	1.25	0.2251	40.4775	0.7518	23.0891	0.0232	10.0253	147	29
18	0.07	0.17	1.31	0.2188	55.9391	0.2467	54.1415	0.0131	14.2526	84	24
19	0.18	0.32	1.50	0.2439	49.7013	2.4921	21.4939	0.0300	14.2315	188	53
20	0.08	0.27	1.42	0.1382	66.2980	0.1157	81.8168	0.0130	13.2801	82	22
21	0.07	0.40	1.31	0.0440	287.1776	0.4454	33.7113	0.0127	13.5248	86	24
22	0.27	0.87	1.54	0.6224	18.7776	4.7548	11.8854	0.0506	9.1872	315	57
23	0.07	0.24	1.22	0.0234	628.8788	0.1863	72.2764	0.0159	11.9260	101	24
24	0.06	0.20	1.26	–	−	0.2150	60.7432	0.0129	12.2637	82	20
25	0.09	0.27	1.66	0.1400	52.0089	0.0704	117.2689	0.0134	12.2409	85	21
26	0.12	0.26	1.51	0.0857	103.0479	0.3404	38.6536	0.0196	12.4905	124	31
27	0.08	0.22	1.28	0.4827	33.4408	1.0937	18.7388	0.0164	10.6905	104	22
28	0.09	0.18	1.35	0.0840	191.9419	0.3573	40.8995	0.0161	11.3069	102	23
29	0.09	0.21	1.72	0.0785	121.8985	0.0591	153.7653	0.0129	12.8776	83	21
30	0.07	0.26	1.23	−	–	0.4537	34.1162	0.0160	13.3354	101	27
31	0.30	0.24	1.22	0.8711	21.4821	4.4576	20.7195	0.0440	14.5234	273	76
32	0.08	0.24	1.42	0.0399	197.8740	0.1532	78.8645	0.0143	10.9482	91	20
33	0.10	1.57	1.47	0.4691	32.5739	0.7089	24.1988	0.0182	11.3362	115	26
34	0.13	0.38	1.29	0.4408	26.7379	1.4225	18.9376	0.0244	10.9248	154	33
35	0.09	0.24	1.32	0.5299	27.8165	1.0147	18.3344	0.0178	11.8985	113	27
36	0.07	0.15	0.96	0.2442	48.8180	0.6419	37.6690	0.0188	11.6393	119	28
37	0.09	0.29	0.93	−	–	1.0539	23.0262	0.0248	11.2922	157	35
38	0.10	0.22	1.40	0.3718	37.0776	0.1922	89.6474	0.0150	15.6095	95	30
39	0.09	0.29	1.45	0.1137	110.4289	0.3873	33.9798	0.0152	10.3900	97	20

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