铀矿地质2026，Vol.42Issue(1)：20-30,11.DOI:10.3969/j.issn.1000-0658.2026.01.002
柴北缘仙东地区上干柴沟组铀成矿条件及找矿潜力分析
Uranium Mineralization Conditions and Prospecting Potential of Shangganchaigou Formation in Xiandong Area of Northern Margin of Qaidam Basin
摘要
Abstract
To further clarify the prospecting potential of uranium mineralization in Shangganchaigou Formation in the northern margin of Qaidam Basin,this paper systematically analyzed the uranium source conditions,structural characteristics,target layer characteristics,hydrogeological conditions,and uranium mineralization characteristics in Xiandong area of the northern margin of Qaidam Basin.Combined with regional geological conditions,the article discussed the uranium mineralization conditions and stages of Shangganchaigou Formation in Xiandong area.The research suggests that Xiandong region is rich in uranium sources and has developed monocline structures;Shangganchaigou Formation which is the target layer for mineral exploration has developed a braided river delta sedimentary system and recharge-runoff-discharge groundwater system,interlayer oxidation zones and reduced substances such as carbon debris are well developed in the sand bodies.Uranium mineralization is significantly controlled by interlayer oxidation,and the mineralization intensity is positively correlated with Stotal,TOC,V,Mo,Re,Se,and other factors.Uranium mineralization has experienced three stages:sedimentary pre-enrichment,interlayer oxidation mineralization,and continuous mineralization caused by uplift.Comprehensive analysis suggests that Shangganchaigou Formation in Xiandong area has good potential for sandstone type uranium mineralization,with the main type being interlayer oxidation zone type.关键词
成矿条件/潜力分析/上干柴沟组/仙东地区Key words
metallogenic conditions/prospecting potential/Shangganchaigou Formation/Xiandong area分类
天文与地球科学引用本文复制引用
邵恒博,康利刚,陈擎,陈云杰,吴博博,赵旭..柴北缘仙东地区上干柴沟组铀成矿条件及找矿潜力分析[J].铀矿地质,2026,42(1):20-30,11.基金项目
中央财政铀矿勘查专业基金项目"青海省柴达木盆地北缘绿梁山地区铀矿资源调查评价"(编号:202319-3)和"青海省柴达木盆地南缘三湖地区铀矿资源调查评价"(编号:202519-3)联合资助. （编号:202319-3）
