纳米比亚中西部EPL3602地区构造地质特征及铀矿控矿因素  

Characters of Structural Geology and Ore-controlling Factors in EPL3602 Area,Midwest Namibia

作　　者：聂江涛[1] 范洪海 张杰林[1] 高阳[1] 陈东欢[1] 王生云[1] 王俊虎[1] 

机构地区：[1]核工业北京地质研究院,中核集团铀资源勘查与评价技术重点实验室,北京100029

出　　处：《铀矿地质》2013年第4期223-230,共8页Uranium Geology

摘　　要：笔者以纳米比亚中西部EPL3602欢乐谷地区为研究对象,通过地质调查、遥感解译、构造解析、岩石学分析和室内显微观察,重点研究了区内地质构造、遥感信息特征和铀矿控矿因素,详细分析了罗辛铀矿床的地质特征。研究表明,在达马拉造山运动期间,研究区发生了强烈的左行挤压塑性变形,形成了规模较大的NE向韧性剪切带(罗辛韧性剪切带),控制着含铀白岗岩的分布和铀矿的产出。因此,本文根据该韧性剪切带的控矿规律,预测了3片有利的铀成矿靶区。By taking EPL3602 area in the Midwest Namibia as an example, the methods of geological survey, remote sensing interpretation, structural geology analysis, petrological analysis under micro- scope were used to study the characters of geology, structure and remote sensing information and con- trolling factors on uranium mineralization, especially the geologic feature of Rossing uranium deposit. Studies shew that the compressive plastic deformation had taken place strongly in the research zone, and a large size of NE-ductile shear zone （Rossing ductile shear zone） was formed during the Damara oroge- ny. According to the ore-controlling rules of the ductile shear zone, three favourable metallogenetic pros- pecting targets have been predicted.

关 键 词：韧性剪切带 白岗岩型铀矿 纳米比亚 

分 类 号：P612[天文地球—矿床学]