纳米比亚欢乐谷铀矿床伽马测井解释与岩(矿)心取样分析铀含量对比研究  

Comparative study on uranium content of Happy Valley uranium deposit between gamma logging interpretation and rock(ore)core sample analysis in Namibia

作　　者：赵希刚 朱西养 李胜祥 王金平 丛卫克 张积运 ZHAO Xigang;ZHU Xiyang;LI Shengxiang;WANG Jinping;CONG Weike;ZHANG Jiyun(No.203 Institute of Nuclear Industry,CNNC,Xi'an 710086,China;China National Uranium Corporation Limited,Beijing 100029,China)

机构地区：[1]核工业二〇三研究所,西安710086 [2]中国铀业有限公司,北京100029

出　　处：《世界核地质科学》2021年第3期358-364,共7页World Nuclear Geoscience

摘　　要：在纳米比亚欢乐谷白岗岩型铀矿勘探和开发过程中,采用野外钻探取样和实验室测试分析获得铀含量,不但周期长,费用高,而且因为采样段划分不准确得到的铀含量存在误差。通过对比现场伽马测井解释铀含量与岩(矿)心取样分析测试铀含量的结果,根据统计数理学分析,认为伽马测井解释铀含量的结果是准确的,在勘探和开发阶段可以部分取代岩(矿)心取样,不但降低勘查和采矿的成本费用,而且快速获得铀含量解释结果,还可以准确划分矿体边界。该结论可以为后期在纳米比亚欢乐谷的白岗岩型铀矿勘查和开发中伽马测井和铀含量解释代替岩(矿)心取样和分析测试铀含量提供参考和工作技术方法。In the process of exploration and development of the alaskite-type uranium deposit in Happy Valley,Namibia,using field drilling sampling and laboratory test analysis to obtain uranium content,not only has a long period and high cost,but also has errors due to inaccurate division of sampling section.By comparing the results of on-site gamma logging interpretation of uranium content and rock(ore)core sampling analysis and testing of uranium content,according to statistical and mathematical analysis,it is considered that the results of gamma logging interpretation of uranium content are accurate and can partially replace rock(ore)core sampling in the stage of exploration and development,which not only reduces the cost of exploration and mining,but also can quickly obtain the interpretation results of uranium content,and also can be used for reference in order to accurately divide the ore body boundary.This conclusion can provide a reference and technical method for gamma logging and uranium content interpretation to replace core sampling and analysis of uranium content in the exploration and development of alaskite-type uranium deposit in Happy Valley,Namibia.

关 键 词：伽马测井和解释 岩(矿)心取样和分析测试 白岗岩型铀矿 纳米比亚 

分 类 号：P619.14[天文地球—矿床学] P631[天文地球—地质学]