铀矿地质2025，Vol.41Issue(2)：332-346,15.DOI:10.3969/j.issn.1000-0658.2025.41.023
分量化探在琶江地区深部铀矿勘查中的应用研究
Application of Partial Extraction Geochemical Exploration Method in the Prospecting of Deep Uranium Mineralization in Pajiang Area
摘要
Abstract
The Pajiang deposit(401)is the only small uranium deposit found in the Fogang pluton.To evaluate the potential of uranium mineralization in the deep part of the deposit and validate the effectiveness of partial extraction geochemical exploration method as well as searching the indicator elements combination for deep uranium exploration,the partial extraction geochemical exploration was carried out in the intersection part of Shegang fault,faults No.3 and No.17,where favorable uranium metallogenic geological conditions are identified.The method's validity test and prospecting practice in the periphery of the deposit demonstrate that partial extraction geochemical exploration is both feasible and effective in predicting concealed deep uranium deposits in the Pajiang area,with U-Mn-Be-Ba serving as an indicator element combination.Based on the anomalies of uranium exploration indicator elements and their geological conditions,two areas(A and B)were predicted as the favorable targets for uranium mineralization around the Pajiang deposit(401).After trench exploration,three industrial mineralization sector were discovered with the horizontal thickness and grade of 1.16 m(0.083%),0.74 m(0.093%)and 0.28 m(0.646%),respectively,which not only have good prospecting and application effect,but also lay a solid foundation for expanding the scale of Pajiang deposit.关键词
分量化探/铀矿/琶江地区/深部找矿潜力/指示元素组合Key words
partial extraction geochemical exploration method/uranium ore/Pajiang area/deep prospecting potential/indicator element combination分类
天文与地球科学引用本文复制引用
胡鹏,张凡颖,王兴明,傅俊杰,张家乐..分量化探在琶江地区深部铀矿勘查中的应用研究[J].铀矿地质,2025,41(2):332-346,15.基金项目
中国核工业地质局项目"广东省仁化县蛇离地区铀矿资源调查评价"(编号:202438-5)和"广东省和平县古坑-李田地区铀矿资源调查评价项目"(编号:202439-4)联合资助. （编号:202438-5）
