准噶尔盆地中新生代构造沉积演化与砂岩型铀成矿作用关系探讨  

Mesozoic Cenozoic Tectonic-sedimentary Evolution and Metallogenesis of Sandstone-type Uranium Deposit in Junggar Basin

作　　者：何中波[1] 刘章月[1] 杨烨[1] 郭强[1] 宋继叶[1] 冀华丽 

机构地区：[1]核工业北京地质研究院,北京100029

出　　处：《新疆地质》2016年第3期410-417,共8页Xinjiang Geology

基　　金：核能开发项目--准噶尔大型叠合盆地地浸砂岩型铀矿预测技术研究

摘　　要：准噶尔盆地是我国重要的多能源矿产产出盆地之一。本文从盆地中新生代构造演化、沉积建造及古气候演化特征等基础砂岩型铀矿成矿地质背景入手,结合已知铀矿化发育层位、类型及分布范围特征,综合分析了准噶尔盆地中新生代构造沉积演化对砂岩型铀成矿的控制作用,认为:潮湿或半潮湿古气候环境有利于砂岩型铀矿含矿建造的发育;沉积建造类型控制铀矿化发育层位及容矿空间;构造活动期次及强度控制铀矿化发育时间、期次及保存与破坏。Junggar basin,located in the north of Xingjiang,is one of the most important basins producing multi-mine re- sources.On the basic study of Mesozoic and Cenozoic-Era tectonic evolution,sedimentary formation,evolution character- istics of paleoclimate,and development horizon,type,distribution characteristics of uranium mineralization.In paper Anal- ysed the controls of tectonic-sedimentary evolution for sandstone Uranium mineralization.In brief, this paper suggests that：（1）Humid and semi-humid paleoclimate environment are in favor of the development of ore-bearing formation of sandstone uranium deposit;（2）The type of sedimentary formation controls the development horizon of Uranium mineral- ization and accommodation;（3）Issue of tectonic activity and intension control the development time, issue and preserva- tion and destruction of Uranium mineralization.

关 键 词：准噶尔盆地 构造活动期次 古气候环境 沉积建造 砂岩型铀矿 

分 类 号：P619.14[天文地球—矿床学] P512.2[天文地球—地质学]