诸广山岩体北部营盘圩地区铀成矿条件浅析

Analysis on uranium metallogenic conditions of Yingpanxu area in the north of Zhuguang rock mass

营盘圩地区位于诸广复式岩体北部,地处华夏板块武功—诸广断隆区,区域性北东向桂东—汝城断裂和遂川—热水断裂夹持部位。区内分布营盘圩、茶叶龙、九罗洞3个矿(化)点以及众多异常点。文章在前人勘查和研究工作的基础上分析了工作区铀成矿地质条件,认为该区具有丰富的铀源岩体和富铀地层;北东向小夏—黄坳断裂(桂东—汝城断裂带的一部分)为区内主干断裂,其旁侧次级断裂裂隙为主要控矿、容矿构造;多期次、多阶段蚀变叠加,造成了区内铀富集;晚期中基性脉岩发育,为成矿提供活化剂;地质调查、地面伽玛总量及土壤^(210)Po活度测量成果显示区内具有较好的浅深部铀矿化信息。综合分析认为,营盘圩地区具有较优越的成矿地质条件,值得进一步开展地质找矿工作。

The extensive rock concentrate output in the deer, Yangtze, baishun uranium ore-field. Predecessors in deposit of causes and into mine law, and rock body evolution, and rock Earth chemical features, and control mine factors, and mine of and corro- sion variable, aspects made has more results （ Li Jianhong,2006; Zeng Wenle,2006; Du Letian, 1982; Yu Jinda, 1988 ; wearing demo- cratic ,2005）, camp disc Wei area is located in all wide duplex rock body North, is located in Chinese plate martial arts-all wide bro- ken long district, regional North East to guidong-Rucheng fracture and suichuan-hot fracture clip holding parts. Regional distribution camp of Wei, tea Dragon, Luo nine holes in three mines as well as numerous anomalies. Paper in predecessors exploration and research work of based Shang analysis has work district uranium into mine geological conditions, think the district has rich of uranium source rock body and rich uranium formation; North East to small summer-Huang Ao fracture （guidong-Rucheng fault of part） for district within trunk fracture, its side secondary fracture fractured for main control mine, and capacity mine structure; more period times, and more stage corrosion variable overlay, caused has district wi.thin rich uranium set; late in the base sex pulse rock development, for into mine provides Activator; geological survey, and Ground gamma total soil polonium 210 and activity measurement results display has good shallow deep uranium deposits in the area of information. Comprehensive analysis, the camp of Wei has superior ore-forming geo- logical conditions and deserves further geological prospecting work carded out.