宁都县上横铀矿地质特征及控矿因素分析  

Analysis of Geological Characteristics and Control Factors of Shangheng Uranium Deposit in Ningdu County

作　　者：卢俊浩 LU Junhao(Jiangxi Geological Museum,Nanchang 330000,China)

机构地区：[1]江西省地质博物馆,南昌330000

出　　处：《中国资源综合利用》2024年第1期84-87,共4页China Resources Comprehensive Utilization

基　　金：江西省地质局财政项目(2021YDZ04)。

摘　　要：上横铀矿位于江西省宁都县,是近年来江西省核地质工作少数取得突破的地区之一。该矿床所处的桃山铀矿田中,大多矿床为产于复式岩体内部的碎裂蚀变岩型,但上横铀矿产于岩体外接触带的区域断裂中,为花岗岩外带型,成矿规律与控矿因素的认识略有欠缺。本文利用野外专项地质测量、槽探、钻探揭露等手段,初步查明铀成矿条件和控矿因素,为今后该类型铀找矿提供新思路。研究认为,在成矿、容矿和保矿过程中,桃山复式岩体、南华系地层、红盆、上横断裂、脆性构造岩以及韧性构造岩等因素在不同程度上起到作用。The Shangheng Uranium Deposit is located in Ningdu County,Jiangxi Province,and is one of the few areas in Jiangxi Province that has made breakthroughs in nuclear geological work in recent years.In the Taoshan Uranium Field where this deposit is located,most of the deposits are of the fractured and altered rock type that occurs within the complex rock mass,however,the upper horizontal uranium deposits are located in the regional fractures of the external contact zone of the rock mass,and are of the granite external zone type,and there is a slight lack of understanding of the oreforming laws and controlling factors.This paper uses specialized geological surveys,trenching,and drilling techniques to preliminarily identify uranium mineralization conditions and controlling factors,providing new ideas for future exploration of this type of uranium.Research suggests that factors such as the Taoshan complex rock mass,Nanhua strata,red basins,upper transverse faults,brittle tectonic rocks,and ductile tectonic rocks play different roles in the process of mineralization,ore hosting,and ore preservation.

关 键 词：上横铀矿 地质特征 控矿因素 岩体外接触带 宁都县 

分 类 号：P619.14[天文地球—矿床学]