冀北地区脉金矿床铅同位素地球化学特征

doi:10.13686/j.cnki.dzyzy.1993.02.002

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摘要本文从冀北地区脉状金矿床地质背景出发，系统研究了太古宇及与金矿化有关的岩体铅同位素特征，认为本区脉状金矿床成矿物质来自古老地壳及地幔。文中强调无论是产于变质岩中的金矿，还是产于花岗岩、碱性岩、超基性岩中的金矿，均受深大断裂及古隆起活化带控制。文中还分析了冀东、冀西北金矿床铅同位素区域性差异及产生原因。

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	王正坤
	蒋心明
	王郁
	商木元

关键词 ：冀北金矿床, 铅同位素, 地球化学

Abstract：From geological background of vein-type gold deposits in northern Hebei and based on systematical study of Pb-isotopic character of rock masses of Archean related-with gold mineralization, the writers consider that the ore materials of vein-type gold deposits in this area come from ancient crust or mantle. It is emphasized in this paper that the gold deposits yielded in metamorphic rocks or in granite,alkaline rock and ultramafic rock are all controlled by deep fault and mobilized zone in ancient doming. The regional difference of Pb-isotopes oi gold deposits in eastern and northwestern Hebei and their genesis and are discussed in this paper.

Key words： gold deposits in northern Hebei Pb-isotopes geochemistry

收稿日期: 1992-02-24

作者简介: 王正坤,男,生于1963年,毕业于中南矿冶学院地质专业,现任冶金工业部天津地质研究院工程师,从事贵金属地质研究工作。通讯地址:天津市河西区友谊路42号,邮政编码:300061.

引用本文:

王正坤, 蒋心明, 王郁, 商木元. 冀北地区脉金矿床铅同位素地球化学特征[J]. 地质与资源, 1993, 2(2): 90-99.
Wang Zhengkun, Jiang Xinming, Wang Yu, Shang Muyuan. Pb-ISOTOPIC GEOCHEMICAL CHARACTER OF VEIN-TYPE GOLD DEPOSITS IN NORTHERN HEBEI. GEOLOGY AND RESOURCES, 1993, 2(2): 90-99.

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http://manu25.magtech.com.cn/Jweb_dzyzy/CN/10.13686/j.cnki.dzyzy.1993.02.002 或 http://manu25.magtech.com.cn/Jweb_dzyzy/CN/Y1993/V2/I2/90