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Discussion on relationship between sand body of braided stream channel sandstone-type uranium deposit
Author(s): 
Pages: 92-96,104
Year: Issue:  2
Journal: URANIUM GEOLOGY

Keyword:  砂岩型铀矿沉积体系辫状沉积砂体;
Abstract: 砂岩型铀矿是后生的铀矿类型之一,其成矿受盆地盖层结构和砂体的发育状况、以及盆地形成后由构造翻转形成的渗入型水动力系统的双重控制.这两者耦合的优劣,完全取决于砂体的沉积特征.本文运用沉积体系理论分析了两类不同的沉积砂体,得出辫状沉积砂体对铀成矿最为有利的认识.该类砂体可产于冲积扇、河流和辫状三角洲等沉积体系中.
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