|本期目录/Table of Contents|

[1]陈正乐,王平安,王永,等.江西相山铀矿田山南矿区控矿构造解析与找矿预测[J].地球科学与环境学报,2013,35(02):8-18.
 CHEN Zheng-le,WANG Ping-an,WANG Yong,et al.Ore-controlling Tectonic Analysis and Ore-prospecting in Shannan Mining Area of Xiangshan Uranium Ore-field, Jiangxi[J].Journal of Earth Sciences and Environment,2013,35(02):8-18.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第35卷
期数:
2013年第02期
页码:
8-18
栏目:
基础地质与矿产地质
出版日期:
2013-06-15

文章信息/Info

Title:
Ore-controlling Tectonic Analysis and Ore-prospecting in Shannan Mining Area of Xiangshan Uranium Ore-field, Jiangxi
文章编号:
1672-6561(2013)02-0008-11
作者:
陈正乐王平安王永邵飞唐湘生徐金山喻建发韩凤彬孙岳
1. 中国地质科学院地质力学研究所,北京 100081; 2. 核工业270研究所,江西 南昌 330200; 3. 中核抚州金安铀业有限公司,江西 乐安 344301
Author(s):
CHEN Zheng-le WANG Ping-an WANG Yong SHAO Fei TANG Xiang-sheng XU Jin-shan YU Jian-fa HAN Feng-bin SUN Yue
1. Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China; 2. No.270 Research Institute, CNNC, Nanchang 330200, Jiangxi, China; 3. Fuzhou Jin’an Uranium Co., Ltd., CNNC, Le’an 344301, Jiangxi, China
关键词:
构造解析找矿预测铀矿山南矿区相山江西
Keywords:
tectonic analysis ore-prospecting uranium ore Shannan mining area Xiangshan Jiangxi
分类号:
P619.14
DOI:
-
文献标志码:
A
摘要:
江西相山铀矿为与火山岩有关的中低温热液型矿床,断裂构造控矿特征明显。以相山铀矿田山南矿区为研究重点,开展控矿构造解析和构造控矿规律研究,旨在为隐伏矿床找矿预测提供科学指导。通过详细的野外观测和变形分析,揭示出山南矿区主要的控矿构造,即北北东向、东西—北西西向断裂破碎带都经历了早期压性和晚期张性-张扭性的破碎变形,构成了本区主要的容矿空间。在此基础上,分析了断裂控矿规律,推测破碎带的性质控制了铀矿体产出特征,构造通过控制岩石的变形行为而控制了铀矿体的产出,进而解释了所谓的"岩性控矿"观点。根据构造控矿规律及其控矿构造组合特征与区域综合找矿模型,认为横涧矿区的西南段、岗上英矿区与横涧矿区及石马山矿区的连接处等应为下一步找矿的首选有利区段,同时要注意寻找北北东向和东西—北西西向断裂复合部位的富、大矿体,并关注北北东向断裂成矿期后的活动对矿体的左旋错移情况。
Abstract:
The uranium ore in Xiangshan of Jiangxi is one of volcanic-related meso-epithermal deposits, and the ore-controlling characteristic of fault structure is significant. Ore-controlling tectonic analysis and tectonic ore-controlling regularity were studied in Shannan mining area of Xiangshan uranium ore-field in order to provide scientific guidance for ore-prospecting in blind ore deposit. Field detailed observation and measurement showed that the main ore-controlling structures in Shannan mining area including NNE-and EW-NWW-trending fault fracture zones had experienced compressional in early stage and later extensional to tran-extensional broken deformation, and therefore were favorable for uranium deposited. The rule of ore-controlling fault was discussed, and it was suggested that the output characteristic of uranium ore-body was mainly controlled by the property of fracture zone. Additionally, the output characteristics of uranium ore-bodies in various rocks could be interpreted as the different deformation behaviors under tectonic stress, which could be helpful for understanding so-called lithologic ore-controlling. According to the regional ore-prospecting model with characteristic and regular pattern of ore-controlling structure, the preferred favorable sections included the southwest section of Hengjian deposit, joint of Gangshangying, Hengjian and Shimashan deposits, etc. More attention should be paid to high-grade ore-bodies probably in the intersection of NNE- and EW-NWW-trending faults and the sinistral dislocation of ore-body affected by the activity after the metallogenic epoch of NNE-trending fault.

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备注/Memo

备注/Memo:
收稿日期:2013-01-07
基金项目:国家自然科学基金项目(41072071);全国危机矿山接替资源找矿项目(20089950);中国地质调查局地质大调查项目(1212011220936)
作者简介:陈正乐(1967-),,浙江温州人,研究员,博士研究生导师,理学博士,E-mail:chenzhengle@263.net
更新日期/Last Update: 2013-06-20