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邹家山铀矿床含矿裂隙系统研究
投稿时间:2020-01-11  修订日期:2020-06-03  点此下载全文
引用本文:
DOI:10.19762/j.cnki.dizhixuebao.2020091
摘要点击次数: 35
全文下载次数: 39
作者单位E-mail
陈柏林、 中国地质科学院地质力学研究所
中国地质科学院地质力学研究所动力成岩成矿实验室 
cblh6299@263.net 
高允、 中国地质科学院地质力学研究所
中国地质科学院地质力学研究所动力成岩成矿实验室 
 
申景辉、 中国地质科学院地质力学研究所
中国地质科学院地质力学研究所动力成岩成矿实验室 
 
陈正乐、 中国地质科学院地质力学研究所
中国地质科学院地质力学研究所动力成岩成矿实验室 
 
胡志华 核工业北京地质矿产研究院  
唐相生 核工业270研究所  
基金项目:(编号JYYWF20180602)的资助成果。
中文摘要:邹家山铀矿床位于相山铀矿田西部,是相山铀矿田最重要的矿床,该矿床以规模大、品位高而著称。邹家山铀矿床含矿裂隙系统由许多弧形小断层及其所夹持的透镜状岩块构成;含矿裂隙总体以近南北向为主,次为北北东向和北北西向;含矿裂隙是由“X”剪节理基础上发展起来的,经过持续变形而形成;矿液充填交代时NNE向主断裂具有一定的左行特点;成矿流体压力比较大,具有明显的水压致裂作用,形成同一露头上多个方向弧形和不规则铀矿脉,并且从高一级裂隙向低级别裂隙、微裂隙边矿化边扩展的特点。邹家山铀矿床含矿裂隙可能受一组走向北东-北东东(50~65°),中-缓倾角(35~50°)倾向北西的隐性构造控制。就邹家山铀矿区而言,进一步找矿方向在现有矿带的南西西方向深部。
中文关键词:含矿裂隙系统,控矿构造,找矿方向,邹家山铀矿床
 
Study on the ore-bearing fracture system of Zoujiashan uranium deposit, Jiangxi, SE China
Author NameAffiliationE-mail
Chen Bailin、 Institute of Geomechanics,Chinese Academy of Geological Sciences,Beijing,
The Laboratory of Dynamic Digenesis and Metallogenesis,Institute of Geomechanics,CAGS,Beijing 
cblh6299@263.net 
Gao Yun、 Institute of Geomechanics,Chinese Academy of Geological Sciences,Beijing,
The Laboratory of Dynamic Digenesis and Metallogenesis,Institute of Geomechanics,CAGS,Beijing 
 
Sheng Jinghui、 Institute of Geomechanics,Chinese Academy of Geological Sciences,Beijing,
The Laboratory of Dynamic Digenesis and Metallogenesis,Institute of Geomechanics,CAGS,Beijing 
 
Chen Zhengle、 Institute of Geomechanics,Chinese Academy of Geological Sciences,Beijing,
The Laboratory of Dynamic Digenesis and Metallogenesis,Institute of Geomechanics,CAGS,Beijing 
 
Hu Zhihua Beijing Research Institute of Uranium Geology,CNNC,Beijing  
and Tang Xiangsheng Research institute No. 270, China National Nuclear Corporation, Nanchang  
Abstract:Zoujiashan uranium deposit, located in Le’an county, Jiangxi Province, is an important once in the western area of Xiangshan uranium ore field, and famous by its larger scale and higher uranium grade. The ore-bearing fracture system of Zoujiashan uranium deposit is composed of several arcuate fault and these lenticular rock surrounding by arcuate fault. The ore-bearing fracture, trending mainly along north-south and partly north-east-north and north-west-north, is bring based on X-type shear joint and by continued deformation. The NNE-trending ore-bearing fault being a few left-slip movement while the mineralizing fluid enter the fault and infulling and metasomatism. The arcuate and irregular uanium ore veins in different direction indicated the higher pressure of mineralizing fluid with hygraulic fracturing to the rocks. In fact, the ore-bearing fracture propagate from high degree to lower degree or micro once while minerlization occurs at high fluid pressure. The ore-bearing fracture system in the Zoujiashan uranium deposit is controlled by a high degree hidden fault with NEE-trending and at low-middle angle dipping to northwest, but not by the Zoujiashan-Shidong fault with NE-trending and at high angle dipping to northwest. So, the further prospecting in the Zoujiashan uranium deposit is at the north-west-northern area of present ore belt.
keywords:ore-bearing  fracture system,ore-controlling  structure, further  prospecting, Zoujiashan  uranium deposit, Xiangshan  uranium ore  field
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