| 长江中下族及邻区区域铅同位素组成背景及其应用 |
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| 引用本文： | 马振东,单光祥.长江中下族及邻区区域铅同位素组成背景及其应用[J].地质学报,1996,70(4). |
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| 作者姓名： | 马振东 单光祥 |
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| 作者单位： | 中国地质大学 武汉
(马振东)，中国地质大学 武汉(单光祥) |
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| 基金项目： | 国家“八·五”科技攻关计划(编号85-901-03-08D)，国家自然科学基金(编号 49473187)资助 |
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| 摘 要： | 本文系统地研究了长江中下游及邻区区域各类地质体铅同位素组成背景。研究表明;区域各类地质体铅同位素组成特征是受原始地幔的不均一性、壳幔交换的动力学过程、层圈铀、钍、铅丰度及作用发生的时间等诸因素控制,为此,通过区域铅同位素背景的研究可以为地球化学分区、示踪物质来源及区域成矿预测提供有意义的信息。
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| 关 键 词： | 区域铅同位素组成背景 示踪作用 长江中下游及邻区 |
THE BACKGROUND OF REGIONAL LEAD ISOTOPIC COMPOSITIONS AND ITS APPLICATION IN THE LOWER AND MIDDLE REACHES OF THE YANGTZE RIVER AND NEIGHBOURING AREAS |
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| Ma Zhendong and Shan Guangxiang.THE BACKGROUND OF REGIONAL LEAD ISOTOPIC COMPOSITIONS AND ITS APPLICATION IN THE LOWER AND MIDDLE REACHES OF THE YANGTZE RIVER AND NEIGHBOURING AREAS[J].Acta Geologica Sinica,1996,70(4). |
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| Authors: | Ma Zhendong and Shan Guangxiang |
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| Abstract: | The paper systematically deals with the background of regional lead isotopic compositions in the lower and middle reaches of the Yangtze River and neighbouring areas. It is shown that the lead isotopic compostitions of different geologic formations and un |
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| Keywords: | background of regional lead isotopic composition tracing action lower and middle reaches of the Yangtze River and neighbouring areas |
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