摘要
砂岩型铀矿适宜的地质-水文地质条件是决定地浸开采是否可行的重要条件之一。为了定量、客观地评价砂岩型铀矿的地质-水文地质条件,并评价其可浸性,构建了包含15个具体指标的砂岩型铀矿地浸地质-水文地质条件评价指标体系;并采用层次分析法构建判断矩阵,较客观地得出了各项评价指标的权重;同时建立了砂岩型铀矿地浸地质-水文地质条件评价分级标准,提出了综合评判值U的计算公式。以伊犁盆地Ⅰ、Ⅱ、Ⅲ矿床为例,开展了地浸地质-水文地质条件适宜度评价,评价结果与实际情况具有较好的一致性。
Suitable geological and hydrogeological conditions of sandstone-type uranium deposits are one of the important conditions determining the feasibility of in-situ leaching mining.In order to quantitatively and objectively evaluate the geology-hydrogeological conditions of sandstone-type uranium deposits and evaluate their leach ability,an evaluation index system of in-situ leaching-hydrogeological conditions of sandstone-type uranium deposits was constructed,including 2 subsystems and 15 specific indicators.The judgment matrix was constructed by analytic hierarchy process,and the weight of each evaluation index was objectively obtained.At the same time,the grading criteria of in-situ leaching geological-hydrogeological conditions for sandstone-type uranium deposits was established,and the formula for calculating the comprehensive evaluation value U was put forward.TakingⅠ,ⅡandⅢdeposits in Yili basin as examples,the suitability evaluation of in-situ leaching geology and hydrogeological conditions was carried out,and the evaluation results are in good agreement with the actual situation.
作者
朱婷
陈梅芳
贠晓锋
段柏山
王新贵
李勇
ZHU Ting;CHEN Meifang;YUN Xiaofeng;DUAN Baishan;WANG Xingui;LI Yong(Xinjiang Tianshan Uranium Co.,Ltd.,CNNC,Yining 835000,China)
出处
《铀矿冶》
CAS
2020年第3期159-165,共7页
Uranium Mining and Metallurgy
基金
中国核工业集团青年英才项目(CNNC-YC-2018024)。
关键词
砂岩型铀矿
层次分析法
地质-水文地质条件
评价
sandstone-type uranium deposit
analytic hierarchy process
geology-hydrogeological condition
evaluation
