| 集宁以东火山岩铀成矿带区域成矿条件和远景初析 |
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| 引用本文： | 张学权,万国良,高同德,孙保恒,荆志谆.集宁以东火山岩铀成矿带区域成矿条件和远景初析[J].铀矿地质,1987(5). |
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| 作者姓名： | 张学权 万国良 高同德 孙保恒 荆志谆 |
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| 摘 要： | 集宁以东火山岩铀成矿带是一个较有远景的成矿带。本文在概要的阐述区域地质背景的基础上,着重讨论了该带的火山作用及其与板块活动的关系,提出了火山盆地分类和命名的基本原则。根据这些原则对本区火山盆地进行了较系统的分类,并归纳和总结了它们的基本特征及区域铀矿化的主要特点。指出本区铀成矿的火山盆地是上叠塌陷式、上叠沉陷式和上叠断陷式火山盆地,并分析了它们成矿的有利条件。在上述分析讨论的基础上,对本区区域成矿条件进行了综合分析,预测了一类成矿远景区有六个火山盆地,二类远景区有八个火山盆地,并指出了它们的找矿方向。
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| 关 键 词： | 火山盆地类型 富铀基底 火山构造 切盆断裂 次火山岩 |
SOME PRELIMINARY ANALYSES ON METALLOGENETIC CONDITIONS AND PERSPECTIVES OF THE URANIUM-BEARING VOLCANIC BELT IN THE REGION EAST OF JINING, INNER MONGOLIA |
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| Zhang Xuequan Wan Guoliang GaoTongde Sun Baoheng Jing Zhichun.SOME PRELIMINARY ANALYSES ON METALLOGENETIC CONDITIONS AND PERSPECTIVES OF THE URANIUM-BEARING VOLCANIC BELT IN THE REGION EAST OF JINING, INNER MONGOLIA[J].Uranium Geology,1987(5). |
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| Authors: | Zhang Xuequan Wan Guoliang GaoTongde Sun Baoheng Jing Zhichun |
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| Institution: | Zhang Xuequan Wan Guoliang GaoTongde Sun Baoheng Jing Zhichun |
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| Abstract: | The uranium-bearing volcanic belt east of Jining, Inner Mongolia, is considered as more perspective. On the basis of expounding the geological background of the region, the relationship between volcanism of the belt and the Plate movement is discussed in the paper. Basic principles for giving terminology of volcanic basins and their classification are proposed. According to these principles a systematic classification of volcanic basins in the region is made and their essential characteristics and the main features of uranium mineralization in the region is summarized. It is noted that uranium-bearing volcanic basins of the region are of superimposed collapse-type, superimposed subsidence-type and superimposed fault subsidence-type, the favorable ore formation conditions of which are also discussed. As a result of these discussions a synthetical analysis of uranium ore formation conditions of the region has been made with giving prognostication of six volcanic basins as favorable area of first class and eight volcanic basins as perspective ones of second class, and the guide-lines for prospecting work in the region are indicated. |
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| Keywords: | Types of volcanic basins Uranium-rich basement Volcanic Structure Fault dissecting basin Subvolcanic rocks |
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