|本期目录/Table of Contents|

[1]肖荣,李晓峰,王翠云,等.江西德兴地区朱砂红斑岩铜矿成岩成矿年代学特征及其地质意义[J].地球科学与环境学报,2016,38(01):55-65.
　XIAO Rong,LI Xiao-feng,WANG Cui-yun,et al.Diagenetic and Metallogenic Geochronological Characteristics of Zhushahong Porphyry Copper Deposit in Dexing Area of Jiangxi and Its Implications[J].Journal of Earth Sciences and Environment,2016,38(01):55-65.
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江西德兴地区朱砂红斑岩铜矿成岩成矿年代学特征及其地质意义(PDF)
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第38卷
期数:
2016年第01期
页码:
55-65
栏目:
基础地质与矿产地质
出版日期:
2016-01-15

文章信息/Info

Title:
Diagenetic and Metallogenic Geochronological Characteristics of Zhushahong Porphyry Copper Deposit in Dexing Area of Jiangxi and Its Implications
文章编号:
1672-6561(2016)01-0055-11
作者:
肖荣; 李晓峰; 王翠云; 韦星林; 白艳萍
1.湖南省地质调查院，湖南 长沙 410116； 2.中国科学院地质与地球物理研究所 中国科学院矿产资源研究重点实验室，北京 100029； 3.桂林理工大学 地球科学学院，广西 桂林 541004；4.江西有色地质勘查局，江西 南昌 330025
Author(s):
XIAO Rong;  LI Xiao-feng;  WANG Cui-yun;  WEI Xing-lin;  BAI Yan-ping
1. Hunan Institute of Geological Survey, Changsha 410116, Hunan, China; 2. Key Laboratory of Mineral Resources, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China; 3. College of Earth Sciences, Guilin University of Technology, Guilin 541004, Guangxi, China; 4. Jiangxi Bureau of Nonferrous Metal Geological Exploration, Nanchang 330025, Jiangxi, China
关键词:
斑岩铜矿; 年代学; 花岗闪长斑岩; 磷灰石; 锆石; U-Pb年龄; 德兴地区; 江西
Keywords:
porphyry copper deposit;  geochronology;  grandiorite porphyry;  apatite;  zircon;  U-Pb age;  Dexing area;  Jiangxi
分类号:
P597+.3；P618.41
DOI:
-
文献标志码:
A
摘要:
江西德兴斑岩铜矿是中国东部大型斑岩铜矿，由朱砂红、铜厂及富家坞三大矿床组成。在前人研究基础上，对德兴地区朱砂红斑岩铜矿含矿花岗闪长斑岩进行锆石SHRIMP U-Pb年代学和磷灰石ID-TIMS U-Pb年代学研究。结果表明：花岗闪长斑岩的锆石SHRIMP U-Pb年龄为（171.3±1.7）Ma，平均标准权重偏差（MSWD）为1.4；热液蚀变磷灰石ID-TIMS U-Pb年龄为（170.6±1.0）Ma，MSWD值为0.49。上述年龄数据表明：朱砂红斑岩铜矿含矿斑岩侵位和铜钼成矿作用均发生在中侏罗世，从岩浆侵位到热液成矿具有较短的岩浆热液演化过程。
Abstract:
Dexing porphyry copper deposit in Jiangxi is one of the largest in the eastern of China. It is composed of Zhushahong, Tongchang and Fujiawu deposits. Based on the petrographic investigation of drill core samples, SHRIMP zircon U-Pb dating and ID-TIMS apatite U-Pb dating for ore-bearing granodiorite porphyry from Zhushahong porphyry copper deposit in Dexing area were presented. The results show that SHRIMP zircon U-Pb age of granodiorite porphyry is (171.3±1.7)Ma with the mean standard weighted deviation (MSWD) of 1.4; ID-TIMS apatite U-Pb age with hydrothermal alteration is (170.6±1.0)Ma with the MSWD of 0.49. The above ages indicate that the emplacement of ore-bearing porphyry from Zhushahong porphyry copper deposit and the mineralization of Cu-Mo develop in Middle Jurassic and are nearly contemporaneous; there is short magmatic-hydrothermal evolution process from magma emplacement to hydrothermal mineralization.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-07-27
基金项目:国家重点基础研究发展计划(“九七三”计划)项目(2012CB416705);国家自然科学基金项目(41272112)
作者简介:肖荣(1986-),男,湖南益阳人,湖南省地质调查院工程师,E-mail:xiaorong__08@163.com。
通讯作者:李晓峰(1971-),男,河南禹州人,研究员,博士研究生导师,理学博士,E-mail:x-f-li@hotmail.com。
更新日期/Last Update: 2016-01-30