钨矿床地球化学研究进展：以黑钨矿U-Pb、Sm-Nd、Lu-Hf 同位素年代学与微量元素为例

doi:10.16108/j.issn1006-7493.2021030

高校地质学报 ›› 2021, Vol. 27 ›› Issue (3): 250-263.DOI: 10.16108/j.issn1006-7493.2021030

• 固体地球科学领域重点实验室联盟实验技术与应用年会十周年纪念专辑 • 上一篇下一篇

钨矿床地球化学研究进展：以黑钨矿U-Pb、Sm-Nd、Lu-Hf 同位素年代学与微量元素为例

杨明^1,2,3，王浩^1,2,3，吴石头^1,2，杨岳衡^1,2,3*

1. 中国科学院地质与地球物理研究所岩石圈演化国家重点实验室, 北京 100029；
2. 中国科学院地球科学研究院, 北京 100029；
3. 中国科学院大学地球与行星科学学院, 北京 100049

出版日期:2021-06-20 发布日期:2021-06-21

Research Progress of Geochemistry in Tungsten Deposit: Based on the Wolframite U-Pb, Sm-Nd, Lu-Hf Isotope Geochronlogy and Trace Element Characterics

YANG Ming^{1, 2, 3}，WANG Hao ^{1, 2, 3}，WU Shitou^{1, 2}，YANG Yueheng^{1, 2, 3*}

1. State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China；
2. Innovation Academy of Earth Science, Chinese Academy of Sciences, Beijing 100029, China；
3. College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China

Online:2021-06-20 Published:2021-06-21

摘要/Abstract

摘要： 黑钨矿是钨矿床中最主要的矿石矿物之一，对其直接开展定年研究能更有效厘定钨成矿时间。黑钨矿通常含有一定量的U且部分样品具有较高的Sm/Nd比，因而U-Pb及Sm-Nd定年方法广泛地被应用到黑钨矿矿床的定年研究中。但是受黑钨矿U-Pb及Sm-Nd定年方法以及黑钨矿样品自身的制约，U-Pb及Sm-Nd定年成功率较低或结果不理想。文章针对黑钨矿在钨矿床U-Pb年代学和Sm-Nd年代学的发展历程进行了系统的梳理与分析，探讨了黑钨矿U-Pb年代学与Sm-Nd年代学的挑战与机遇。同时结合已发表的黑钨矿Lu、Hf数据，针对黑钨矿Lu-Hf年代学的应用前景进行了评估与展望。已有数据表明，黑钨矿中Lu/Hf比值变化范围较大，有潜力作为Lu-Hf同位素定年的良好对象。文章探讨了黑钨矿用于限定钨矿床成矿时代研究中存在的问题及应对方案，旨在促进未来黑钨矿在钨矿床成矿年代学的发展。

关键词: 钨矿床, 成矿年代学, 定年方法, 黑钨矿, 研究进展

Abstract: Wolframite occurs as one of the main ore minerals in tungsten deposit. It is more effective to directly date wolframite to represent its mineralization age. Since it usually contains a certain amount of U and some samples exhibit high Sm/Nd ratios, thus, wolframite U-Pb and Sm-Nd dating methods have been applied to the metallogenic chronology study of various wolframite deposits. However, wolframite U-Pb and Sm-Nd dating methods have their own limitations, so the dating is commonly unsuccessful or the results are not ideal. In this paper, we systematically reviewed and analysed the development of wolframite U-Pb and Sm-Nd dating methods, and discussed the challenges and opportunities of wolframite U-Pb and Sm-Nd chronology. Meanwhile, we also evaluated the application prospect of wolframite Lu-Hf chronology in the light of the published Lu and Hf data of wolframite. It has been shown that the Lu/Hf ratio in wolframite has a large variation range and that Lu-Hf dating method is of great potential. This paper discussed the existing problems and possible solutions of wolframite geochronology in defining the mineralization age of tungsten deposit, in order to promote the development of wolframite geochronology in the future.

Key words: tungsten deposit, ore deposit chronology, dating methods, wolframite, research progress

中图分类号:

P618.67

杨明, 王浩, 吴石头, 杨岳衡. 钨矿床地球化学研究进展：以黑钨矿U-Pb、Sm-Nd、Lu-Hf 同位素年代学与微量元素为例[J]. 高校地质学报, 2021, 27(3): 250-263.

YANG Ming, WANG Hao , WU Shitou, YANG Yueheng. Research Progress of Geochemistry in Tungsten Deposit: Based on the Wolframite U-Pb, Sm-Nd, Lu-Hf Isotope Geochronlogy and Trace Element Characterics[J]. Geological Journal of China Universities, 2021, 27(3): 250-263.

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钨矿床地球化学研究进展：以黑钨矿U-Pb、Sm-Nd、Lu-Hf 同位素年代学与微量元素为例

Research Progress of Geochemistry in Tungsten Deposit: Based on the Wolframite U-Pb, Sm-Nd, Lu-Hf Isotope Geochronlogy and Trace Element Characterics

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