Late Mesozoic-Cenozoic tectono-sedimentary evolution and sandstone-hosted uranium mineralization of the Erlian basin

被引:10
|
作者
Wei, Sanyuan [1 ]
Qin, Mingkuan [1 ]
Li, Yuexiang [1 ]
He, Zhongbo [1 ]
Chen, Anping [1 ]
Shen, Kefeng [1 ]
机构
[1] Beijing Res Inst Uranium Geol, Beijing 100029, Peoples R China
关键词
Erlian basin; tectono-sedimentary evolution sandstone type uranium deposits;
D O I
10.1007/3-540-27946-6_84
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
The tectono-sedimentary evolution of the Erlian basin can be divided into 3 stages: continental extension and down-faulting, transformation of down-faulting to down-warping, weak compression and differential uplifting-subsidence. Clastic rocks developed in the transformation stage of down-faulting to down-warping are the main ore-hosting beds. The stages of weak compression and differential uplifting-subsidence provide conditions for uranium mineralization. Uranium metallogenic conditions have been analyzed, and a metallogenic model of uranium deposits discovered recently in the Baiyiwula area are summarized.
引用
收藏
页码:319 / 322
页数:4
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