赣南珠坑钨矿赋矿花岗岩独居石年龄、地球化学特征及成因探究

高原; 王颖; 王海; 徐喆; 张勇; 周渝; 张芳荣; 孙超; 贺彬; 张思远; 张福神

doi:10.12090/j.issn.1006-6616.2024083

赣南珠坑钨矿赋矿花岗岩独居石年龄、地球化学特征及成因探究

1.
江西省地质调查勘查院基础地质调查所，江西南昌，330030

2.
关键矿产资源勘查与开发江西省重点实验室，江西南昌，330009

3.
核资源与环境国家重点实验室（东华理工大学），江西南昌 330013

4.
中国地质科学院地质力学研究所，北京 10081

基金项目: 东华理工大学核资源与环境国家重点实验室开放基金项目（2022NRE09）；江西省关键矿产资源勘查与开发重点实验室开放基金（GHKC2024KF08）；放射性地质与勘探技术国防重点学科实验室开放基金（2022RGET08）；国家自然科学基金项目（42062006）；江西省自然科学基金项目（20232BAB213065）；江西省地质局科技研究项目（2022JXDZKJKY02）；江西省“科技+地质”联合计划项目（2023KDG01003）；江西省地质局青年科学技术带头人培养计划项目（2022JXDZKJRC04）

详细信息

作者简介: 高原（1985—），男，硕士，高级工程师，主要从事区域地质矿产调查、矿产勘查相关工作。Email：382173369@ qq.com

通讯作者: 王海（1990—），男，博士，助理研究员，主要从事矿床学和找矿预测研究工作。Email: wanghai_90s@163.com

中图分类号: P584；P597

收稿日期: 2024-08-06

修回日期: 2025-02-26

录用日期: 2025-02-27

网络出版日期: 2025-02-28

刊出日期: 2025-04-28

Monazite U-Pb age, geochemistry, and genesis of ore-bearing granites in the Zhukeng tungsten deposit, southern Jiangxi Province

1.
Institute of Basic Geological Survey, Jiangxi Geological Survey and Exploration Institute, Nanchang 330030, Jiangxi, China

2.
Jiangxi Province Key Laboratory of Exploration and Development of Critical Mineral Resources, Nanchang 330009, Jiangxi, China

3.
State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang 330013, Jiangxi, China

4.
Institute of Geomechanics, China Academy of Geological Sciences, Beijing 10081, China

Fund Project: This research is financially supported by the Open Fund Project of the State Key Laboratory of Nuclear Resources and Environment of East China University of Technology (Grant No. 2022NRE09), the Open Fund Project of Jiangxi Province Key Laboratory of Exploration and Development of Critical Mineral Resources (Grant No. GHKC2024KF08), the Open Fund Project of the Fundamental Science on Radioactive Geology and Exploration Technology Laboratory (Grant No. 2022RGET08), the National Natural Science Foundation of China (Grant No. 42062006), the Jiangxi Provincial Natural Science Foundation (Grant No. 20232BAB213065), the Jiangxi Provincial Geological Bureau of Science and Technology Research Project (Grant No. 2022JXDZKJKY02), the Jiangxi Province's Science−Technology and Geology Joint Project (Grant No. 2023KDG01003) and the Training Program for the Young Talents in Science and Technology from the Jiangxi Provincial Bureau of Geology (Grant No. 2022JXDZKJRC04).

More Information

Corresponding author: WANG Hai, wanghai_90s@163.com

Received Date: 06 August 2024

Revised Date: 26 February 2025

Accepted Date: 27 February 2025

Available Online: 28 February 2025

Publish Date: 28 April 2025

摘要

摘要:
珠坑岩体为赣南地区与钨矿和铌钽矿密切相关的由二云母花岗岩−白云母花岗岩构成的复式岩体。通过对赣南广昌县珠坑钨矿赋矿岩体白云母花岗岩、二云母花岗岩开展系统的岩石地球化学分析和成岩时代研究，结合区域成岩成矿研究结果，探讨岩体成因和构造背景。LA-ICP-MS分析结果显示，细粒白云母花岗岩中的独居石²⁰⁶Pb/²³⁸U加权平均年龄为156.7±1.3 Ma，主量元素具有典型的富硅（SiO₂含量为65.54%~74.95%）、富碱（Na₂O+K₂O含量为8.48%~12.85%）、高铝（A/CNK介于1.10~1.22）和贫Mg特征，稀土元素总量（ΣREE）介于61.12×10⁻⁶~173.98×10⁻⁶，显示弱富集轻稀土，稀土元素配分曲线呈弱右倾，具有明显的负铕异常，Rb、Ta、Th、Pb、Nd、Hf富集，Ba、Nb、Sr和Ti亏损，属于高分异S型花岗岩；二云母花岗岩中的独居石²⁰⁶Pb/²³⁸U加权平均年龄为159.5±0.9 Ma，主量元素具有典型的富硅（SiO₂含量在75.02%~77.03%）、富碱（Na₂O+K₂O含量为5.92%~8.58%）、高铝（A/CNK=1.14~1.65）和贫Mg特征，稀土总量ΣREE介于106.86×10⁻⁶~124.24×10⁻⁶，显示轻稀土富集，稀土配分曲线呈右倾斜，具有明显负铕异常；Rb、Ta、Th、Pb、Nd、Hf富集，Ba、Nb、Sr和Ti亏损，属于高分异S型花岗岩。综合年代学和岩石地球化学特征，珠坑钨矿花岗岩侵位时代为晚侏罗世，为俯冲背景下大规模花岗质岩浆活动作用产物。
- 赣南 /
- 珠坑岩体 /
- 花岗岩型钨矿 /
- 独居石U-Pb定年 /
- 地球化学
Abstract: Objective
The composite Zhukeng granite is composed of two-mica granite and muscovite granite and closely related to tungsten and niobium-tantalum deposits in southern Jiangxi Province.
Methods
Based on systematic lithogeochemical analysis and rock-forming age determination of muscovite granite and two-mica granite from the Zhukeng tungsten deposit, combined with regional studies concerning diagenesis and mineralization, the genesis and tectonic setting of the rock mass are discussed.
Result
The LA-ICP-MS analysis of monazite from the fine-grained muscovite granite yielded a ²⁰⁶Pb/²³⁸U weighted average U-Pb age of 156.7 ± 1.3 Ma. Major elements exhibit high silica contents (SiO₂ ranging from 65.54% to 74.95%), high alkalis contents (Na₂O+K₂O ranging from 8.48% to 12.85%), high aluminum contents (A/CNK ratios ranging from1.10 to 1.22), and low magnesium contents. The total rare earth elements (ΣREE) range from 61.12×10⁻⁶ to 173.98×10⁻⁶, and there are right-dipping light rare earth enrichment patterns with a weak negative Eu anomalies. The trace elements Rb, Ta, Th, Pb, Nd, and Hf are enriched, while Ba, Nb, Sr, and Ti are depleted, indicating a highly differentiated S-type granite. The LA-ICP-MS analysis of monazite U-Pb from the two-mica granite yielded an ²⁰⁶Pb/²³⁸U weighted average age of 159.5 ± 0.5 Ma. Major elements exhibit high silica contents (SiO₂ ranging from 75.02% to 77.03%), high alkalis contents (Na₂O+K₂O ranging from 5.92% to 8.58%), high aluminum contents (A/CNK ranging from 1.14 to 1.65), and low magnesium contents. Total rare earth elements (ΣREE) range from 106.86×10⁻⁶ to 124.24×10⁻⁶, and there are right-dipping light rare earth enrichment patterns with a significant negative Eu anomalies. The trace elements Rb, Ta, Th, Pb, Nd, and Hf are enriched, while Ba, Nb, Sr, and Ti are depleted, suggesting a highly differentiated S-type granite.
Conclusion
By combining geochronological and lithogeochemical characteristics, the authors conclude that the Zhukeng tungsten deposit formed during an Upper Jurassic mineralization event caused by large-scale granitic magmatic activity related to subduction.
- southern Jiangxi Province /
- Zhukeng pluton /
- granite type tungsten deposit /
- monazite U-Pb dating /
- geochemistry

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图 1 广昌—石城构造地质图

Figure 1.

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图 2 珠坑钨矿矿区地质简图（据戴浩橦等，2023修改）

Figure 2.

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图 3 珠坑钨矿典型赋矿岩石特征及显微照片

Figure 3.

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图 4 珠坑钨矿花岗岩体中独居石背散射（BSE）电子图像

Figure 4.

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图 5 珠坑钨矿花岗岩中独居石Tera-Wasserburg谐和图和²⁰⁶Pb/²³⁸U加权平均年龄图

Figure 5.

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图 6 珠坑花岗岩体主量元素图解

Figure 6.

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图 7 珠坑钨矿花岗岩岩体C1球粒陨石标准化稀土元素配分曲线，及微量元素原始地幔标准化蛛网图

Figure 7.

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图 8 珠坑钨矿花岗岩岩石类型判别图（Whalen et al.，1989）

Figure 8.

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图 9 （Ta+Yb）-Rb和（Y+Nb）-Rb构造环境判别图解（Pearce，1996）

Figure 9.

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表 1 珠坑钨矿床花岗岩中独居石LA-ICP-MS U-Pb定年结果

Table 1. LA-ICP-MS U-Pb dating of monazite from granites in the Zhukeng tungsten deposit

测点号	元素含量/×10⁻⁶		Th/U	同位素比值						年龄/Ma
测点号	Th	U	Th/U	²⁰⁷Pb/²⁰⁶Pb	±2σ	²⁰⁷Pb/²³⁵U	±2σ	²⁰⁶Pb/²³⁸U	±2σ	²⁰⁷Pb/²³⁵U	±2σ	²⁰⁶Pb/²³⁸U	±2σ
22ZK01 Mn
22ZK01-1	49487	2738	18	0.0503	0.0042	0.1702	0.0140	0.0246	0.0008	159.6	12.0	156.7	4.8
22ZK01-3	141827	6396	22	0.0485	0.0022	0.1624	0.0086	0.0242	0.0006	152.8	7.5	154.1	4.0
22ZK01-6	127159	5295	24	0.0479	0.0028	0.1630	0.0098	0.0247	0.0006	153.4	8.5	157.1	3.6
22ZK01-7	109783	4417	25	0.0485	0.0026	0.1651	0.0095	0.0246	0.0006	155.1	8.3	156.8	4.0
22ZK01-8	73144	5468	13	0.0780	0.0046	0.2698	0.0167	0.0251	0.0007	242.6	13.0	159.6	4.2
22ZK01-9	104244	4769	22	0.0562	0.0040	0.1928	0.0137	0.0248	0.0006	179.0	12 .0	158.2	3.5
22ZK01-10	83859	4321	19	0.0470	0.0029	0.1601	0.0096	0.0247	0.0006	150.8	8.4	157.4	3.6
22ZK01-11	77157	3223	24	0.0602	0.0045	0.2135	0.0163	0.0257	0.0007	196.5	14 .0	163.5	4.2
22ZK01-12	52965	3755	14	0.0596	0.0049	0.2073	0.0180	0.0251	0.0008	191.3	15.0	160.1	4.9
22ZK01-14	190005	6199	31	0.0487	0.0026	0.1623	0.0087	0.0242	0.0006	152.7	7.6	154.1	4.1
22ZK01-15	50266	2789	18	0.0483	0.0034	0.1645	0.0109	0.0248	0.0007	154.6	9.5	158.2	4.4
22ZK01-17	68132	4579	15	0.0508	0.0028	0.1718	0.0107	0.0244	0.0006	161.0	9.3	155.3	3.9
22ZK01-18	54822	2738	20	0.0500	0.0029	0.1723	0.0098	0.0250	0.0007	161.4	8.5	159.4	4.5
22ZK01-19	57463	4366	13	0.0496	0.0026	0.1678	0.0087	0.0245	0.0006	157.5	7.5	156.3	3.8
22ZK01-20	87754	10828	8	0.0486	0.0020	0.1594	0.0066	0.0238	0.0005	150.2	5.7	151.7	3.2
22ZK01-21	77647	4496	17	0.0499	0.0028	0.1674	0.0094	0.0243	0.0007	157.1	8.1	155.0	4.1
22ZK01-22	83390	5524	15	0.0907	0.0077	0.3036	0.0231	0.0245	0.0007	269.2	18.0	156.2	4.6
22ZK01-23	63875	4967	13	0.0491	0.0028	0.1677	0.0093	0.0248	0.0006	157.4	8.1	157.8	3.8
22ZK01-24	92367	4980	19	0.0493	0.0030	0.1644	0.0117	0.0241	0.0008	154.5	10.0	153.3	4.9
22ZK13 Mn
22ZK13-1	92418	4349	21	0.0473	0.0027	0.1633	0.0090	0.0251	0.0007	153.6	7.8	159.5	4.3
22ZK13-2	68539	3173	22	0.0507	0.0034	0.1756	0.0120	0.0251	0.0006	164.2	10.0	159.8	3.8
22ZK13-3	90313	5008	18	0.0487	0.0031	0.1641	0.0114	0.0243	0.0007	154.2	10.0	155.1	4.2
22ZK13-5	142814	5535	26	0.0489	0.0025	0.1673	0.0101	0.0247	0.0006	157.1	8.8	157.3	3.8
22ZK13-6	71800	3431	21	0.0484	0.0037	0.1655	0.0119	0.0249	0.0007	155.5	10.0	158.7	4.4
22ZK13-7	138315	6736	21	0.0472	0.0024	0.1598	0.0079	0.0246	0.0007	150.6	6.9	156.8	4.2
22ZK13-8	97270	4266	23	0.0453	0.0026	0.1571	0.0094	0.0252	0.0006	148.2	8.2	160.2	4.0
22ZK13-9	70874	2998	24	0.0482	0.0037	0.1691	0.0135	0.0254	0.0008	158.7	12.0	161.9	5.2
22ZK13-10	122693	6382	19	0.0827	0.0115	0.3008	0.0477	0.0255	0.0009	267.0	37.0	162.4	5.5
22ZK13-11	117956	6247	19	0.0482	0.0027	0.1652	0.0079	0.0250	0.0007	155.2	6.9	159.4	4.7
22ZK13-12	14790	2305	6	0.0600	0.0045	0.2127	0.0158	0.0257	0.0007	195.8	13.0	163.8	4.7
22ZK13-13	96254	4551	21	0.0485	0.0028	0.1689	0.0091	0.0254	0.0007	158.5	7.9	161.5	4.4
22ZK13-14	74173	3637	20	0.0490	0.0029	0.1684	0.0101	0.0249	0.0006	158.1	8.8	158.8	3.7
22ZK13-15	90316	3706	24	0.0520	0.0035	0.1804	0.0117	0.0252	0.0007	168.4	10.0	160.6	4.2
22ZK13-16	43503	2313	19	0.0485	0.0045	0.1666	0.0144	0.0250	0.0007	156.4	13.0	158.9	4.5
22ZK13-17	57767	2544	23	0.0517	0.0033	0.1807	0.0119	0.0253	0.0007	168.7	10.0	161.4	4.7
22ZK13-18	87092	3769	23	0.0459	0.0028	0.1564	0.0105	0.0247	0.0007	147.6	9.2	157.0	4.5
22ZK13-19	85551	4319	20	0.0463	0.0031	0.1598	0.0101	0.0251	0.0007	150.5	8.9	160.0	4.2
22ZK13-20	112206	5464	21	0.0494	0.0029	0.1699	0.0104	0.0249	0.0006	159.4	9.0	158.7	3.7
22ZK13-21	127992	5537	23	0.0888	0.0051	0.3122	0.0185	0.0255	0.0007	275.9	14.0	162.1	4.5
22ZK13-22	50133	1902	26	0.0492	0.0046	0.1671	0.0147	0.0248	0.0006	156.9	13.0	157.6	4.0
22ZK13-23	83610	3777	22	0.0509	0.0034	0.1766	0.0126	0.0251	0.0007	165.2	11.0	159.6	4.3
22ZK13-24	60311	3043	20	0.0483	0.0034	0.1688	0.0120	0.0254	0.0007	158.4	10.0	161.8	4.4

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表 2 珠坑钨矿花岗岩体主量元素含量（%）

Table 2. Major element compositions (%) of granites from the Zhukeng tungsten deposit

样号	22ZK01	22ZK02	22ZK03	22ZK04	22ZK05	22ZK06	22ZK07	22ZK08	22ZK09	22ZK10	22ZK11	22ZK12	22ZK13	22ZK14	22ZK15	22ZK17	22ZK18	22ZK19
岩性	细粒白云母花岗岩								中细粒二云母花岗岩							云英岩
SiO₂	74.68	74.95	74.83	75.81	65.54	68.58	65.66	66.14	75.30	75.02	75.34	75.41	75.51	76.92	77.03	58.57	56.46	64.18
TiO₂	0.03	0.02	0.02	0.02	0.01	0.02	0.01	0.01	0.03	0.03	0.03	0.03	0.03	0.04	0.05	0.05	0.05	0.06
Al₂O₃	14.97	14.61	14.68	14.19	19.74	18.51	18.55	19.00	13.88	14.09	13.84	13.69	13.84	12.93	12.32	22.39	26.54	21.39
FeO	0.42	0.47	0.28	0.34	0.21	0.17	0.27	0.16	0.36	0.39	0.38	0.46	0.39	0.52	0.60	2.74	1.99	1.55
MnO	0.09	0.10	0.08	0.09	0.05	0.04	0.05	0.04	0.12	0.10	0.12	0.16	0.13	0.21	0.10	1.41	0.34	0.28
MgO	0.03	0.04	0.04	0.03	0.03	0.03	0.04	0.03	0.06	0.05	0.05	0.06	0.06	0.10	0.12	0.09	0.07	0.21
CaO	0.19	0.20	0.11	0.17	0.77	0.72	0.80	0.58	0.50	0.45	0.44	0.52	0.43	0.54	0.84	1.32	0.03	0.03
Na₂O	5.05	4.46	4.68	4.73	5.42	7.85	3.48	4.87	4.40	4.00	4.26	3.62	4.35	2.86	0.50	0.40	0.42	0.29
K₂O	3.45	4.12	4.24	3.75	6.53	2.78	8.95	7.98	4.15	4.45	4.32	4.47	4.17	4.07	5.42	7.20	8.62	7.17
P₂O₅	0.01	0.01	0.01	0.01	0.02	0.02	0.02	0.03	0.01	0.02	0.01	0.01	0.02	0.01	0.01	0.02	0.02	0.01
DI	95.40	95.36	96.36	96.16	93.07	94.55	93.4	95.32	95.10	94.72	95.40	94.03	95.25	92.60	89.46	72.03	77.21	81.26
Na₂O/K₂O	1.46	1.08	1.10	1.26	0.83	2.82	0.39	0.61	1.06	0.90	0.99	0.81	1.04	0.70	0.09	0.06	0.05	0.04
Na₂O+K₂O	8.50	8.58	8.92	8.48	11.95	10.63	12.43	12.85	8.55	8.45	8.58	8.09	8.52	6.93	5.92	7.60	9.04	7.46
烧失量	0.92	0.90	0.78	0.69	1.33	1.02	1.38	1.03	0.91	1.17	0.94	1.11	0.80	1.37	1.88	3.72	3.95	3.27
A/CNK	1.22	1.22	1.18	1.18	1.18	1.12	1.15	1.10	1.14	1.19	1.14	1.21	1.15	1.35	1.65	2.31	2.64	2.58
A/NK	1.24	1.24	1.19	1.20	1.23	1.16	1.20	1.14	1.18	1.23	1.18	1.27	1.18	1.42	1.84	2.64	2.64	2.59
注：DI为分异指数；A/CNK=Al₂O₃/(CaO+Na₂O+K₂O)；A/NK=Al₂O₃/(Na₂O+K₂O)

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表 3 珠坑矿区花岗岩体微量元素分析（×10⁻⁶）结果

Table 3. Trace element compositions (×10⁻⁶) of granites from the Zhukeng tungsten deposit

样品号	22ZK01	22ZK02	22ZK03	22ZK04	22ZK05	22ZK06	22ZK07	22ZK08	22ZK09	22ZK10	22ZK11	22ZK12	22ZK13	22ZK14	22ZK15	22ZK17	22ZK18	22ZK19
岩性	细粒白云母花岗岩								中细粒二云母花岗岩							云英岩
Rb	897.00	978.00	799.00	814.00	837.00	442.00	1093.00	967.00	702.00	642.00	740.00	767.00	768.50	689.00	899.00	1756.00	2019.00	1750.00
Ba	19.20	28.60	35.00	25.20	95.50	33.50	109.50	84.20	29.00	38.10	24.40	25.80	28.80	48.80	88.10	70.80	37.80	89.50
Th	9.63	8.34	9.12	6.57	32.20	8.50	32.60	33.70	18.30	17.50	16.20	15.90	17.10	18.70	27.90	14.90	20.50	13.90
U	9.44	11.00	7.30	6.56	6.79	9.39	12.40	12.60	14.90	18.00	14.40	14.60	12.60	20.00	12.50	27.10	5.41	4.00
Pb	48.20	61.40	57.30	38.50	332.70	62.80	388.00	149.40	43.90	58.90	41.50	100.00	46.90	174.40	759.80	48.70	27.00	142.10
Sr	8.38	9.12	12.20	8.56	26.70	25.20	24.70	28.80	11.30	16.60	11.30	12.70	12.20	13.10	12.20	6.36	6.05	6.96
P	61.10	61.10	52.38	56.74	74.20	74.20	96.02	109.12	52.38	65.47	52.38	56.74	96.02	43.65	34.92	65.47	74.20	61.10
Nb	77.40	57.00	45.90	76.10	14.80	39.20	26.00	43.90	54.80	61.20	54.20	51.70	53.20	65.00	45.20	306.80	68.40	47.40
Ta	56.10	47.70	24.30	56.90	4.11	16.30	8.44	17.50	16.60	20.70	17.60	16.90	19.20	17.30	9.91	128.60	20.10	13.40
K	28639.49	34201.36	35197.51	31129.88	54207.49	23077.61	74296.64	66244.37	34450.40	36940.79	35861.62	37106.81	34616.42	33786.29	44993.05	59769.36	71557.21	59520.32
La	7.62	8.87	9.21	7.41	13.40	5.32	16.10	19.40	10.60	13.60	13.80	13.10	10.80	11.70	12.70	13.80	18.40	20.30
Ce	22.50	24.80	33.40	22.90	35.60	12.00	44.60	50.00	28.60	36.80	36.20	36.50	29.40	31.20	32.30	36.20	47.60	52.00
Pr	3.21	3.50	3.50	2.97	4.65	1.54	5.82	6.98	3.86	4.82	4.91	4.89	3.92	4.20	4.24	4.89	6.38	6.83
Nd	13.70	15.00	14.70	12.40	21.20	6.57	26.70	31.40	17.10	20.60	21.20	21.20	17.20	18.20	18.50	21.00	27.40	28.70
Zr	18.50	21.90	28.40	30.20	64.70	65.50	60.20	63.10	46.10	45.40	41.60	38.90	46.20	44.40	55.50	39.90	51.60	13.90
Hf	3.52	2.98	3.65	4.26	4.60	5.27	3.56	5.28	3.27	3.70	4.47	3.42	4.12	3.05	3.51	14.90	3.92	2.48
Sm	8.95	8.51	7.51	7.47	10.20	4.20	11.90	14.60	8.58	9.65	9.84	9.90	8.57	7.99	7.58	10.40	13.30	13.60
Eu	0.04	0.08	0.07	0.04	0.32	0.20	0.36	0.38	0.10	0.18	0.09	0.09	0.10	0.15	0.24	0.14	0.17	0.26
Gd	9.10	8.06	7.28	7.35	9.98	6.15	10.20	13.80	8.95	9.85	9.82	9.46	8.95	8.36	7.94	9.70	14.90	10.60
Ti	155.87	143.88	125.90	119.90	65.95	101.92	71.94	53.96	179.85	167.86	161.87	179.85	191.84	215.82	317.74	287.76	287.76	383.68
Tb	1.59	1.43	1.36	1.36	1.92	1.49	1.80	2.52	1.82	1.87	1.87	1.77	1.79	1.84	1.67	2.03	3.09	1.56
Dy	7.15	7.02	7.55	6.74	12.90	9.98	11.40	15.00	11.40	11.50	11.30	10.50	11.00	12.70	11.50	12.90	18.20	7.32
Ho	0.79	0.91	1.13	0.83	2.50	1.75	2.12	2.66	1.98	2.01	1.97	1.78	1.90	2.38	2.21	2.23	2.84	0.96
Er	1.45	1.96	2.70	1.69	6.98	4.58	5.82	6.92	5.23	5.16	5.10	4.57	5.04	6.32	6.01	6.15	6.81	1.99
Tm	0.19	0.30	0.44	0.25	1.19	0.78	0.98	1.11	0.90	0.86	0.86	0.76	0.84	1.06	0.98	1.21	1.06	0.26
Yb	1.28	2.10	3.22	1.80	8.86	5.70	7.32	8.00	6.75	6.40	6.47	5.75	6.39	7.76	7.12	10.20	7.30	1.75
Lu	0.18	0.30	0.45	0.25	1.37	0.87	1.12	1.21	1.01	0.94	0.95	0.85	0.96	1.11	1.06	1.56	1.03	0.23
Y	44.80	41.90	51.00	45.80	76.20	56.60	63.60	81.40	70.20	67.70	69.30	65.00	70.00	80.10	67.50	65.40	91.00	39.40
ΣREE	77.75	82.84	92.51	73.46	131.07	61.12	146.24	173.98	106.87	124.24	124.38	121.12	106.86	114.97	114.05	132.41	168.48	146.36
LREE	56.02	60.76	68.39	53.19	85.37	29.83	105.48	122.76	68.84	85.65	86.04	85.68	69.99	73.44	75.56	86.43	113.25	121.69
HREE	21.72	22.08	24.13	20.27	45.70	31.30	40.76	51.22	38.04	38.59	38.34	35.44	36.87	41.53	38.49	45.98	55.23	24.67
LREE/HREE	2.58	2.75	2.83	2.62	1.87	0.95	2.59	2.40	1.81	2.22	2.24	2.42	1.90	1.77	1.96	1.88	2.05	4.93
LaN/YbN	4.27	3.03	2.05	2.95	1.08	0.67	1.58	1.74	1.13	1.52	1.53	1.63	1.21	1.08	1.28	0.97	1.81	8.32
δEu	0.01	0.03	0.03	0.02	0.10	0.12	0.10	0.08	0.03	0.06	0.03	0.03	0.03	0.05	0.09	0.04	0.04	0.07
δCe	1.12	1.09	1.44	1.20	1.11	1.03	1.13	1.05	1.10	1.11	1.08	1.12	1.11	1.09	1.08	1.08	1.08	1.08

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赣南珠坑钨矿赋矿花岗岩独居石年龄、地球化学特征及成因探究

作者简介: 高原（1985—），男，硕士，高级工程师，主要从事区域地质矿产调查、矿产勘查相关工作。Email：382173369@ qq.com

通讯作者: 王海（1990—），男，博士，助理研究员，主要从事矿床学和找矿预测研究工作。Email: wanghai_90s@163.com

Monazite U-Pb age, geochemistry, and genesis of ore-bearing granites in the Zhukeng tungsten deposit, southern Jiangxi Province

Corresponding author: WANG Hai, wanghai_90s@163.com

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