江西乐安罗山铀矿床成矿地质特征及找矿潜力分析  

Metallogenic Geological Characteristics and Prospecting Potential of Luoshan Uranium Deposit in Le'an,Jiangxi Province

作　　者：庞文静 陈贝贝 黄柔睿 周云云 郭福生[3] 吴志春[3] 谢财富[3] PANG Wenjing;CHEN Beibei;HUANG Rourui;ZHOU Yunyun;WU Zhichun;LI Guangrong(261 Brigade of Jiangxi Geological Bureau,Yintan 335001,Jiangxi,China;Jiangxi Energy and Mineral Geological Survey and Research Institute,Nanchang 330103,China;East China University of Technology,Nanchang 330105,China)

机构地区：[1]江西省地质局二六一大队,江西鹰潭335001 [2]江西省能源矿产地质调查研究院,南昌330103 [3]东华理工大学,南昌330105

出　　处：《能源研究与管理》2021年第3期83-89,共7页Energy Research and Management

基　　金：江西省地质局铀矿地质及地质延伸业发展引导资金项目“江西省抚州地区铀矿三维立体矿产数据一张图系统建设”。

摘　　要：对罗山矿床的成矿地质特征进行研究,分析其矿床成因与找矿潜力。运用花岗岩型铀矿成矿理论,对岩性、构造、围岩蚀变、物探异常、矿体等特征进行研究,认为罗山矿床属于热液成因的铀矿床,铀矿化严格受裂隙构造及混合花岗岩和咸口岩体的接触带控制,铀矿化分为2期,但是与碱交代作用紧密相关;地表物探异常展布受构造控制明显,对深部隐伏铀矿化具有指示作用;下一步应围绕二号带、四号带之间的空白区及五号带、六号带、八号带、九号带加强地质工作,有望将矿床规模扩大到中大型。The metallogenic geological characteristics of Luoshan deposit are studied,and its genesis and prospecting potential are analyzed.Based on the metallogenic theory of granite type uranium deposit,study the lithology,structure,wall rock alteration,geophysical anomaly and ore body,it is considered that Luoshan deposit belongs to hydrothermal uranium deposit.Uranium mineralization is strictly controlled by fracture structure and the contact zone between mixed granite and Xiankou rock mass.Uranium mineralization is divided into two stages,but closely related to alkali metasomatism.The distribution of surface geophysical anomalies is obviously controlled by structures,which indicates the deep concealed uranium mineralization.In the next step,geological work should be strengthened around the blank area between zone 2 and zone 4 and zones 5,6,8 and 9,which is expected to expand the scale of the deposit to medium and large-scale.

关 键 词：罗山矿床 铀矿化 碱交代岩 咸口岩体 

分 类 号：P619.14[天文地球—矿床学]