铀矿地质2024，Vol.40Issue(3)：394-403,10.DOI:10.3969/j.issn.1000-0658.2024.40.035
松辽盆地西南部大林地区铀成矿特征分析
Analysis of Uranium Mineralization Characteristics in Dalin Area of Southwestern Songliao Basin
摘要
Abstract
Dalin uranium deposit is a recently discovered sandstone-type one located in the southwestern Songliao Basin.This study aims to analyze the characteristics of uranium mineralization within the ore bodies,the occurrence state of uranium.The research findings indicate that,on a larger scale,the deposit host Yaojia Formation shows significant development of oxidized sandstone layers,and the uranium mineralization is characterized by multiple layers predominantly controlled by oxidation zones.Under microscopic examination,uranium is primarily found in an adsorbed state,with fewer occurrences of independent uranium minerals,and the pitchblende being the main independent uranium mineral.There exists a hydrothermal mineral combination containing both titanium-uranium minerals and sphalerite.In summarizing,it can be inferred that Dalin uranium deposit,along with the adjacent Qianjiadian uranium deposit and Baolongshan uranium deposit,are similar in genesis,they are the overlay products of both the supergene fluids and hot fluids.关键词
砂岩型铀矿/松辽盆地/成矿作用/大林地区/铀矿物Key words
sandstone-type uranium deposit/Songliao Basin/uranium mineralization/Dalin area/uranium minerals分类
天文与地球科学引用本文复制引用
张亮亮,蔡建芳,姜山,宁君,王海涛,武飞,卢天军,李双龙,宫天琦..松辽盆地西南部大林地区铀成矿特征分析[J].铀矿地质,2024,40(3):394-403,10.基金项目
中国核工业地质局项目"松辽盆地通辽-大庆地区铀矿资源调查评价与勘查"(编号:202212)和"内蒙古通辽市科尔沁区余粮堡-科左中旗宝德勒地区铀矿资源调查评价"(编号:202212-3)联合资助. （编号:202212）
