中亚巴尔喀什成矿带钼-钨矿床的地质热年代学

陈宣华; 陈正乐; 韩淑琴; 王志宏; 杨屹; 叶宝莹; 李学智; 施炜; 李勇; 陈文

doi:10.3799/dqkx.2012.097

中亚巴尔喀什成矿带钼-钨矿床的地质热年代学

doi: 10.3799/dqkx.2012.097

1.
中国地质科学院地质力学研究所, 北京 100081
2.
新疆维吾尔自治区地质矿产开发勘查局第一区调大队, 新疆乌鲁木齐 830011
3.
中国地质大学地质调查研究院, 北京 100083
4.
中国地质科学院地质研究所, 北京 100037

基金项目:

国家科技支撑计划重点项目暨国家"305"项目 2007BAB25B02

详细信息

作者简介:
陈宣华(1967-), 男, 博士, 研究员, 主要从事构造地质学和矿产资源科学研究工作.E-mail: xhchen@cags.ac.cn

中图分类号: P597
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出版历程
- 收稿日期: 2011-11-12
- 网络出版日期: 2021-11-10
- 刊出日期: 2012-09-15

Geothermochronology of Mo-W Deposits in Balkhash Metallogenic Belt, Kazakhstan, Central Asia

1.
Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China
2.
Geological Survey Team No.1, Xinjiang Bureau of Geological Exploration, Urumqi 830011, China
3.
Geological Survey, China University of Geosciences, Beijing 100083, China
4.
Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China

摘要

摘要: 巴尔喀什成矿带是世界著名的中亚成矿域斑岩型铜钼成矿带, 产出许多斑岩型铜钼矿床和一些石英脉-云英岩型钨钼矿床.对巴尔喀什成矿带西部的东科翁腊德、阿克沙套、扎涅特3个典型的石英脉-云英岩型钼钨矿床的成矿时代和剥露过程进行了地质热年代学研究.锆石SHRIMP U-Pb定年给出东科翁腊德、阿克沙套、扎涅特与成矿作用有关的花岗岩类岩浆作用的时代分别为293.6±2.7 Ma、306±1 Ma和304±4 Ma, 属海西晚期构造-岩浆活动的产物.花岗岩类⁴⁰Ar/³⁹Ar测年结果给出了与成矿有关岩体的冷却年龄, 其等时线年龄分别为292±3 Ma(阿克沙套黑云母)、288.8±3.6 Ma(阿克沙套钾长石)和278±5 Ma(东科翁腊德钾长石).磷灰石裂变径迹测年给出东科翁腊德、阿克沙套、扎涅特的年龄分别为92.1±5.7 Ma、92.2±5.0 Ma和80.3±4.9 Ma, 说明这3个矿床的剥露作用主要发生在晚白垩世.花岗岩类岩石U-Pb、⁴⁰Ar/³⁹Ar和裂变径迹热年代学研究, 揭示了巴尔喀什成矿带Mo-W矿床从深成岩浆侵入活动、成矿作用、区域冷却到剥露作用的全过程.
- 地质年代学 /
- SHRIMP U-Pb /
- ⁴⁰Ar/³⁹Ar /
- 裂变径迹 /
- 钼-钨矿床 /
- 巴尔喀什成矿带
Abstract: The Balkhash metallogenic belt in Kazakhstan, with many porphyritic Cu-Mo deposits and some quartz-vein greisen Mo-W deposits, is a famous porphyritic Cu-Mo metallogenic belt in Central Asian metallogenic domain. Three typical Mo-W deposits such as East Kounrad, Akshatau, and Zhanet, are studied in this paper through the application of geothermochronology. Zircon SHRIMP U-Pb geochronology yields ages of 293.6±2.7 Ma (alkaline granite), 306±1 Ma (granodiorite), and 304±4 Ma (porphyry monzonite), for East Kounrad, Akshatau, and Zhanet deposits respectively, belonging to the tectonic-magmatism in the Late Hercynian. ⁴⁰Ar/³⁹Ar thermochronology gives the cooling ages at 292±3 Ma for biotite from Akshatau, and 288.8±3.6 Ma and 278±5 Ma for K-feldspars from Akshatau and East Kounrad, respectively. Apatite fission track dating of granitoids gives low temperature cooling ages of 92.1±5.7 Ma, 92.2±5.0 Ma and 80.3±4.9 Ma, for East Kounrad, Akshatau, and Zhanet deposits, respectively, suggesting the uplifting and exhumation of Mo-W deposits together with the granitoids during the Late Cretaceous. The geochronological data and thermal history modeling presented in this paper, together with metallogenic information from previous studies, reveal the entire thermo-history, from the intrusion of plutons and Mo-W metallogenesis in the abyssal system in the Late Carboniferous and the Early Permian, through regional cooling, to the exhumation of the deposits in the Late Cretaceous, in the western part of Balkhash metallogenic belt.
- geochronology /
- SHRIMP U-Pb /
- ⁴⁰Ar/³⁹Ar /
- fission track /
- Mo-W deposit /
- Balkhash metallogenic belt

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图 1 中亚成矿域巴尔喀什—准噶尔成矿带断裂构造体系与矿床分布示意

断裂构造体系修改自任纪舜等(1999)和李廷栋等(2008).斑岩型铜钼矿床分布修改自李明等(2007)和其他资料.图中四边形框给出本文研究范围.1.左行走滑断裂; 2.右行走滑断裂; 3.逆冲断层; 4.正断层; 5.断层; 6.盘地边界; 7.火山机构(破火山口); 8.斑碧铜矿(符写大小分别代表大、中、不型矿床下同); 9.矽卡岩型银矿; 10.黄铁矿型矿床(铜、金); 11.热液型铜矿; 12.钢镍确化物矿床; 13.火山岩型铜矿∶14.斑岩型金矿，15.矽卡岩型金访; 16.热液型金矿; 17.稀有金属矿床(T、Mo、Sn、Bi等); 18.稀有金属矿床(Ta、Nb、Li、Be、TR等); 19.铁矿床

Fig. 1. Thefaultectonic system and mineraldeposit distribution ofthe Balkhash-Jungar metallogenie belt ndits adjacentareas in theCentral Asian metallogenic domain

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图 2 巴尔喀什成矿带西部区域地质简图

据陈宣华等(2010c)修改；1.第四系；2.二叠系；3.石炭－二叠系(未分)；4.石炭系；5.泥盆系；6.志留系；7.前寒武系；8.三叠纪花岗岩类；9.二叠纪花岗岩类；10.石炭纪花岗岩类；11.泥盆纪花岗岩类；12.奥陶纪花岗岩类；13.前寒武纪花岗岩类；14.巴尔喀什湖区；15.逆冲断裂；16.右行走滑断裂；17.断裂；18.矿床位置(大点)和采样点位置(小点)

Fig. 2. Geological sketch map of the western part of Balkhash metallogenic belt

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图 3 测年锆石CL图像

Fig. 3. CL images for measured zircons

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图 4 锆石U-Pb谐和图(图中小图为平均年龄分布)

Fig. 4. Zircon ²⁰⁷Pb/²³⁵U-²⁰⁶Pb/²³⁸U concordia diagrams of granitoids from Mo-W deposits in Balkhash metallogenic belt

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图 5 ⁴⁰Ar/³⁹Ar阶段加热年龄谱(a、c、e)和年龄等时线(b、d、f)

a、b.xh080910-10(1) 钾长石(东科翁腊德)，c、d.xh080914-10(1) 钾长石(阿克沙套)，e、f.xh080914-10(2) 黑云母(阿克沙套)

Fig. 5. ⁴⁰Ar/³⁹Ar release spectra (a, c, and e) for stepwise heating analyses and isochron diagrams (b, d, and f) of minerals from Mo-W deposits in Balkhash metallogenic belt

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图 6 磷灰石裂变径迹分析结果

左为单颗粒年龄直方图，曲线为拟合中心年龄趋势；右为放射图，其左侧坐标为误差范围，右侧坐标为年龄，横坐标上为相对误差，下为精度；图中圆点为所测试颗粒，直观标明中心年龄、P(χ²)检验值、相对误差和测试颗粒数

Fig. 6. Results of apatite fission track analyses for granitoids from Mo-W deposits in Balkhash metallogenic belt

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图 7 巴尔喀什成矿带钼钨矿床岩浆－成矿作用和剥露过程的温度－时间图解

年龄数据主要来自本文，Re-Os定年数据来自陈宣华等(2010c).矿物封闭温度据陈宣华等(2010a)和引用的相关文献.a、b、c、d分别为冷却速率0.1 ℃/Ma、1 ℃/Ma、10 ℃/Ma和100 ℃/Ma线.粗虚线及其阴影部分为推测冷却曲线.磷灰石裂变径迹模拟曲线：①为xh080910-10(1)(东科翁腊德)；②为xh080914-10(2)(阿克沙套)；③为xh080915-4(1)(扎涅特).矿物代号：Zr.锆石; Hb.角闪石; Bi.黑云母; Ksp.钾长石; Ap.磷灰石

Fig. 7. Temperature vs time diagram showing the evolution history of magmatism, metallogenesis and exhumation of Mo-W deposits in Balkhash metallogenic belt

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表 1 巴尔喀什成矿带钼钨矿床花岗岩类样品锆石SHRIMP U-Pb测年数据

Table 1. Zircon SHRIMP U-Pb data for granitoids from Mo-W deposits in Balkhash metallogenic belt

测点	Pb_c(%)	U(10^-6)	Th(10^-6)	²³²Th/²³⁸U	²⁰⁶Pb^*(10^-6)	²⁰⁷Pb^/²⁰⁶Pb^	±%	²⁰⁷Pb^*/²³⁵U	±%	²⁰⁶Pb^*/²³⁸U	±%	err.corr.	²⁰⁶Pb/²³⁸U(Ma)	±(Ma)	²⁰⁷Pb/²⁰⁶Pb(Ma)	±(Ma)
样品xh080910-10(1) 碱性花岗岩(东科翁腊德钨钼矿)
1.1	1.48	118	124	1.08	4.84	0.046 4	9.0	0.301	9.2	0.047 05	1.5	.163	296.4	4.3	20	220
2.1	1.21	184	158	0.89	7.28	0.047 4	7.2	0.297	7.3	0.045 55	1.3	.182	287.1	3.7	68	170
3.1	0.75	223	213	0.99	8.78	0.050 1	4.6	0.314	4.9	0.045 39	1.6	.323	286.2	4.4	201	110
4.1	2.54	20	16	0.82	0.897	0.053 9	10	0.370	11	0.049 8	3.1	.289	313.6	9.5	366	230
5.1	1.07	97	86	0.92	3.87	0.051 4	5.4	0.327	5.6	0.046 15	1.6	.292	290.8	4.7	258	120
6.1	0.36	175	129	0.76	7.03	0.052 6	5.4	0.338	5.6	0.046 66	1.3	.237	294.0	3.8	309	120
7.1	0.35	177	153	0.89	7.17	0.050 9	2.6	0.328 8	2.9	0.046 86	1.3	.444	295.2	3.7	236	60
8.1	3.63	16	14	0.91	0.680	0.047	30	0.313	31	0.048 1	3.5	.113	303	10	59	730
9.1	1.56	71	63	0.92	2.85	0.043 4	7.8	0.277	8.0	0.046 23	1.7	.214	291.3	4.9	-144	190
10.1	0.98	167	147	0.91	6.88	0.046 6	6.4	0.305	6.6	0.047 47	1.3	.204	299.0	3.9	30	150
11.1	1.42	90	102	1.17	3.74	0.046 6	16	0.307	16	0.047 84	1.8	.111	301.3	5.2	26	380
13.1	3.20	57	64	1.16	2.30	0.033 7	30	0.212	30	0.045 72	2.1	.072	288.2	6.0	-818	840
样品xh080914-10(2) 花岗闪长岩(阿克沙套钨钼矿)
1.1	0.77	436	246	0.58	18.4	0.052 6	3.0	0.353	3.0	0.048 61	0.51	.169	306.0	1.5	313	68
2.1	0.00	625	313	0.52	26.2	0.053 11	1.2	0.356 9	1.3	0.048 75	0.46	.355	306.8	1.4	333	27
3.1	0.06	818	504	0.64	34.2	0.052 67	1.1	0.353 9	1.2	0.048 72	0.38	.313	306.7	1.1	315	26
4.1	4.06	1 423	846	0.61	61.8	0.052 8	6.7	0.353	6.7	0.048 50	0.88	.131	305.3	2.6	319	150
5.1	0.25	694	322	0.48	28.8	0.053 72	1.6	0.356 6	1.6	0.048 14	0.47	.290	303.1	1.4	360	35
6.1	0.05	319	194	0.63	13.1	0.053 02	1.8	0.351 0	1.8	0.048 01	0.56	.303	302.3	1.7	330	40
7.1	0.08	999	618	0.64	42.4	0.051 85	0.9	0.352 9	1.0	0.049 35	0.33	.333	310.5	1.0	279	22
8.1	0.14	463	282	0.63	19.3	0.053 34	1.5	0.356 5	1.6	0.048 47	0.59	.370	305.1	1.8	343	34
9.1	－	902	475	0.54	38.5	0.053 03	1.3	0.363 5	1.3	0.049 72	0.35	.258	312.8	1.1	330	29
10.1	0.04	1 022	768	0.78	43.5	0.052 96	0.9	0.361 6	0.9	0.049 53	0.37	.394	311.6	1.1	327	20
11.1	0.48	558	280	0.52	23.4	0.053 8	3.3	0.361	3.4	0.048 68	0.66	.197	306.4	2.0	362	74
12.1	0.10	510	307	0.62	21.5	0.052 75	1.1	0.356 6	1.1	0.049 03	0.40	.358	308.6	1.2	318	24
样品xh080915-5(3) 二长花岗斑岩(扎涅特钼矿)
1.1	0.23	385	316	0.85	16.1	0.050 6	2.5	0.338	3.8	0.048 5	2.8	.747	305.4	8.5	222	58
2.1	0.33	296	190	0.66	12.5	0.049 7	2.6	0.334	3.2	0.048 74	1.9	.590	306.8	5.7	182	60
3.1	0.05	270	218	0.83	11.4	0.053 0	3.0	0.359	3.6	0.049 18	1.9	.536	309.5	5.8	328	68
4.1	0.30	302	303	1.04	12.5	0.052 9	3.2	0.349	3.7	0.047 84	1.9	.516	301.2	5.6	325	72
5.1	0.42	249	249	1.03	10.5	0.051 3	4.0	0.345	4.6	0.048 8	2.2	.480	307.3	6.6	255	92
6.1	1.66	653	564	0.89	27.3	0.050 2	5.2	0.332	5.5	0.047 91	1.9	.345	301.7	5.6	206	120
7.1	0.72	152	138	0.94	6.31	0.051 2	6.4	0.339	6.7	0.048 01	2.1	.309	302.3	6.1	251	150
8.1	2.36	447	397	0.92	18.9	0.053 1	7.0	0.352	7.3	0.048 13	1.9	.262	303.0	5.6	331	160
9.1	0.23	424	316	0.77	17.5	0.052 1	2.3	0.345	3.0	0.048 03	1.9	.622	302.4	5.5	288	53
10.1	0.08	333	398	1.24	14.9	0.053 6	3.4	0.384	3.9	0.051 97	1.9	.484	326.6	6.0	356	77
11.1	－	418	311	0.77	18.6	0.054 31	1.7	0.388 3	2.5	0.051 86	1.8	.731	325.9	5.9	384	39
12.1	1.56	401	527	1.36	16.5	0.057 6	5.4	0.374	6.3	0.047 1	3.2	.513	296.7	9.3	514	120
注：误差为1σ；Pb_c和Pb^*分别代表普通铅(²⁰⁶Pb_c)和放射成因铅；使用实测的²⁰⁴Pb含量进行普通铅校正.

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表 2 巴尔喀什成矿带钼钨矿床花岗岩类⁴⁰Ar/³⁹Ar年龄测试数据

Table 2. ⁴⁰Ar/³⁹Ar dating data for granitoids from Mo-W deposits in Balkhash metallogenic belt

阶段	T(℃)	(⁴⁰Ar/³⁹Ar)_m	(³⁶Ar/³⁹Ar)_m	(³⁷Ar/³⁹Ar)_m	(³⁸Ar/³⁹Ar)_m	⁴⁰Ar(%)	F	³⁹Ar(10^-14 mol)	³⁹Ar(Cum.)(%)	t(Ma)	±1σ(Ma)
xh080910-10(1) 碱性花岗岩钾长石(东科翁腊德)，W=28.25 mg，J=0.004 795
1	700	46.095 8	0.050 3	0.014 2	0.023 5	67.72	31.217 4	0.72	1.84	251.6	2.4
2	800	37.579 5	0.013 4	0.019 1	0.015 5	89.42	33.605 1	2.53	8.32	269.5	2.5
3	850	36.713 2	0.006 6	0.005 5	0.013 9	94.70	34.768 8	1.62	12.46	278.2	2.6
4	900	37.963 4	0.010 6	0.012 9	0.015 2	91.72	34.820 7	1.52	16.36	278.5	2.6
5	950	39.528 3	0.017 4	0.008 5	0.016 3	87.00	34.388 2	1.48	20.14	275.3	2.6
6	1 000	41.277 9	0.025 3	0.011 3	0.017 9	81.88	33.797 9	1.87	24.92	271.0	2.5
7	1 050	41.108 6	0.025 0	0.004 7	0.017 9	82.03	33.719 6	3.72	34.46	270.4	2.5
8	1 090	41.194 4	0.025 0	0.006 1	0.017 6	82.05	33.798 7	3.31	42.95	271.0	2.5
9	1 130	40.081 2	0.021 4	0.007 2	0.017 1	84.24	33.762 9	4.25	53.82	270.7	2.5
10	1 170	38.486 3	0.015 0	0.003 1	0.015 8	88.47	34.047 7	8.31	75.10	272.8	2.5
11	1 200	37.711 5	0.010 9	0.000 0	0.015 0	91.43	34.478 8	5.15	88.29	276.0	2.6
12	1 250	38.037 6	0.011 8	0.000 0	0.015 3	90.85	34.557 8	1.90	93.14	276.6	2.6
13	1 330	38.707 1	0.014 0	0.000 0	0.015 5	89.29	34.560 8	1.95	98.14	276.6	2.6
14	1 400	38.446 9	0.012 2	0.000 0	0.015 2	90.59	34.829 1	0.73	100.00	278.6	2.7
Total age = 272.9 Ma
xh080914-10(1) 碱性花岗岩钾长石(阿克沙套)，W=27.11 mg，J=0.005 648
1	700	33.556 4	0.022 6	0.034 8	0.017 7	80.10	26.877 8	0.71	1.54	255.0	2.5
2	800	32.757 0	0.010 6	0.013 8	0.014 8	90.40	29.613 5	1.87	5.60	279.0	2.6
3	900	31.379 8	0.002 8	0.010 4	0.013 1	97.34	30.540 0	4.32	14.98	287.1	2.7
4	950	31.498 8	0.002 4	0.007 7	0.012 9	97.73	30.783 9	3.15	21.81	289.2	2.7
5	1 000	31.778 7	0.003 1	0.004 5	0.013 2	97.13	30.866 2	3.89	30.25	289.9	2.7
6	1 040	31.999 1	0.003 9	0.000 2	0.013 3	96.35	30.830 7	3.60	38.05	289.6	2.7
7	1 080	32.510 8	0.005 9	0.000 0	0.013 8	94.59	30.751 8	3.48	45.61	288.9	2.7
8	1 130	33.105 6	0.008 4	0.000 9	0.014 3	92.52	30.630 0	5.11	56.70	287.8	2.7
9	1 180	32.916 2	0.007 7	0.001 2	0.014 2	93.07	30.636 4	8.31	74.74	287.9	2.7
10	1 220	32.583 7	0.005 9	0.000 8	0.013 8	94.68	30.849 2	7.31	90.61	289.8	2.7
11	1 280	32.622 3	0.005 8	0.004 9	0.013 9	94.75	30.911 2	3.33	97.83	290.3	2.7
12	1 340	33.138 2	0.006 9	0.000 0	0.014 2	93.82	31.088 7	0.72	99.40	291.8	2.8
13	1 400	33.449 3	0.006 2	0.000 0	0.013 1	94.47	31.598 2	0.28	100.00	296.2	3.2
Total age = 288.0 Ma
xh080914-10(2) 花岗闪长岩黑云母(阿克沙套)，W=29.76 mg，J=0.005 748
1	700	29.226 7	0.068 3	0.200 7	0.043 1	30.98	9.054 5	0.38	1.02	91.5	2.7
2	800	40.558 3	0.034 3	0.025 9	0.034 8	74.98	30.412 1	2.83	8.62	290.6	2.7
3	850	31.845 4	0.004 3	0.008 8	0.029 4	96.04	30.585 3	5.22	22.62	292.2	2.7
4	900	31.267 9	0.001 6	0.007 5	0.029 2	98.48	30.793 3	3.27	31.40	294.0	2.7
5	950	31.114 4	0.001 1	0.012 6	0.028 8	98.98	30.797 1	2.83	39.01	294.0	2.7
6	1 000	31.912 7	0.001 5	0.011 7	0.029 0	98.60	31.465 8	3.15	47.48	299.9	2.8
7	1 050	31.318 0	0.001 5	0.016 8	0.028 7	98.56	30.867 3	5.52	62.31	294.6	2.7
8	1 100	31.020 9	0.001 7	0.011 8	0.028 9	98.36	30.513 8	7.74	83.09	291.5	2.7
9	1 140	31.050 1	0.001 6	0.034 2	0.029 2	98.44	30.567 3	5.61	98.15	292.0	2.7
10	1 180	31.045 2	0.001 2	0.669 8	0.030 9	98.99	30.748 7	0.65	99.88	293.6	2.8
11	1 400	33.506 2	0.015 0	2.430 8	0.044 7	87.30	29.307 3	0.04	100.00	281	12
Total age = 291.2 Ma
注：表中下标m代表样品中测定的同位素比值；F=⁴⁰Ar^*/³⁹Ar，为放射成因⁴⁰Ar与³⁹Ar的比值

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表 3 巴尔喀什成矿带钼钨矿床花岗岩类磷灰石裂变径迹测年分析数据

Table 3. Apatite FT dating data for granitoids from Mo-W deposits in Balkhash metallogenic belt

序号	样品编号	岩性	高程(m)	N_c	ρ_d(N_d)(10⁶ cm^-2)	ρ_s(N_s)(10⁵ cm^-2)		ρ_i(N_i)(10⁶ cm^-2)
1	xh080910-10(1)	碱性花岗岩	402	23	0.968(2420)	2.995(578)		0.557(1075)
2	xh080914-10(2)	花岗闪长岩	762	23	0.901(2253)	6.199(936)		1.073(1620)
3	xh080915-4(1)	碱性花岗岩	579	26	0.882(2206)	3.319(624)		0.646(1215)

序号	样品编号	岩性	U(10^-6)	P(χ²)%	r	t_FT(Ma±1σ)	MTL(μm±1σ)(N_j)	SD(μm)
1	xh080910-10(1)	碱性花岗岩	7.2	90.5	0.856	92.1±5.7	13.50±0.12(107)	1.26
2	xh080914-10(2)	花岗闪长岩	14.9	76.7	0.756	92.2±5.0	13.85±0.12(103)	1.20
3	xh080915-4(1)	碱性花岗岩	9.2	95.9	0.802	80.3±4.9	13.96±0.11(100)	1.15
注：N_c为测试的颗粒数；ρ_d为标准玻璃的诱发径迹密度；N_d为标准玻璃的诱发径迹数；ρ_s为自发径迹密度；N_s为自发径迹数；ρ_i为外探测器诱发径迹密度；N_i为外探测器诱发径迹数；U为磷灰石样品U含量；P(χ²)是在自由度为N_c-1时得到的χ²值的概率；r为N_s和N_i之间的相关系数；N_j为测量的水平围限径迹数；t_FT为磷灰石裂变径迹年龄，均为合并年龄；MTL为围限径迹平均长度；SD为径迹长度标准偏差.

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表 4 巴尔喀什成矿带钼钨矿床同位素年龄数据

Table 4. Combined geochronologic data from Mo-W deposits in Balkhash metallogenic belt

序号	样品号	采样位置	矿床	岩石名称	测试对象及方法	同位素年龄(Ma)
1	xh080910-11	N47°01′08.5″，E075°08′05.9″	东科翁腊德钨钼矿床	云英岩－石英脉	辉钼矿Re-Os	298.0±4.6
2	xh080910-10(1)	N46°59′58.6″，E075°06′38.7″		碱性花岗岩	SHRIMP锆石U-Pb	293.6±2.7
3					钾长石⁴⁰Ar/³⁹Ar	278±5
4					磷灰石FT	92.1±5.7
5	xh080914-9	N47°58′52.5″，E074°03′22.4″	阿克沙套钨钼矿床	云英岩－石英脉	辉钼矿Re-Os	289.3±4.2
6	xh080914-10(1)	N47°59′41.8″，E074°02′35.8″		碱性花岗岩	钾长石⁴⁰Ar/³⁹Ar	288.8±3.6
7	xh080914-10(2)			花岗闪长岩	SHRIMP锆石U-Pb	306±1
8					黑云母⁴⁰Ar/³⁹Ar	292±2
9					磷灰石FT	92.2±5.0
10	xh080915-5(3)	N47°31′16.7″，E074°18′55.0″	扎涅特钼矿床	二长花岗斑岩	SHRIMP锆石U-Pb	304±4
11	xh080915-5	N47°31′16.7″，E074°18′55.0″		云英岩－石英脉	辉钼矿Re-Os	295.0±4.5
12	xh080915-4(1)	N47°32′29.7″，E074°15′17.2″		碱性花岗岩	磷灰石FT	80.3±4.9
注：⁴⁰Ar/³⁹Ar法只给出坪年龄.辉钼矿Re-Os年龄据陈宣华等(2010c)，为模式年龄的平均值.

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