| 砂岩型铀矿的成矿地质条件与战略选区——以二连盆地和鄂尔多斯盆地为例 |
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| 引用本文： | 陈法正.砂岩型铀矿的成矿地质条件与战略选区——以二连盆地和鄂尔多斯盆地为例[J].铀矿地质,2002,18(3):138-143. |
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| 作者姓名： | 陈法正 |
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| 作者单位： | 核工业地质局208大队,内蒙古,包头,014010 |
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| 摘 要： | 砂岩型铀矿是当前铀矿勘查的重点，按照其成矿特点，一般分为3种类型，即古河道型，层间氧化带型和潜水－层间氧化带型，本对这3种砂岩型铀矿产出地质条件的异同点进行了分析，初步总结了各种类型铀矿床的成矿模式，并以二连盆地和鄂尔多斯盆地例，对其成矿前景进行了宏观分析和评价。
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| 关 键 词： | 砂岩型铀矿 古河道 层间氧化带 潜水－层间氧化带 |
| 文章编号： | 1000-0658(2002)03-0138-06 |
| 修稿时间： | 2001年2月15日 |
Metallogenic geologic prerequisites of sandstone-typeuranium deposits and target area selection——Taking Erlian and Ordos basins as examples |
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| CHEN Fa-zheng.Metallogenic geologic prerequisites of sandstone-typeuranium deposits and target area selection——Taking Erlian and Ordos basins as examples[J].Uranium Geology,2002,18(3):138-143. |
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| Authors: | CHEN Fa-zheng |
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| Abstract: | Sandstone-type uranium deposit is the main target of recent uranium prospecting and exploration.According to the metallogenic characteristics,sandstone-type uranium deposits are divided into three groups:paleochannel type,interlayer oxidation zone type and phreatic interlayer oxidation type.This paper makes an analysis on the geologic prerequisites of the three types of uranium deposits,the similarities and difference,and preliminarily summarizes genetic models of different types of uranium deposits.Finally,taking Erlian and Ordos basins as examples the author makes an evaluation and a strategic analysis on the uranium metallogenic prospect of the above two basins. |
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| Keywords: | sandstone-type uranium deposit paleochannel interlayer oxidation zone phreatic interlayer oxidation zone |
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