|Table of Contents|

Isochronology study on Sushui Complex in Zhongtiao Mountains and its geological significance(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2012年第01期
Page:
1-8
Research Field:
基础地质与矿产地质
Publishing date:

Info

Title:
Isochronology study on Sushui Complex in Zhongtiao Mountains and its geological significance
Author(s):
ZHAO Bin12 WANG Deng-hong3 HOU Ke-jun3 LIU Ren-liang2
1. School of Earth Sciences and Resources, Chang'an University, Xi'an 710054, Shaanxi, China; 2. Shanxi Geophysics and Geochemical Prospecting Institute, Yuncheng 044004, Shanxi, China; 3. Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China
Keywords:
isochronology LA-MC-ICP-MS zircon copper deposit Archaeozoic ore-bearing rock Sushui Complex Zhongtiao Mountains
PACS:
P588.34; P597.3
DOI:
-
Abstract:
Zhongtiao Mountains are the important copper-polymetallic ore belts in China, producing famous large scale Tongkuangyu copper deposit with metamorphotic porphyry type formed in upper Archaeozoic and Hujiayu-Bizigou copper deposit with stratabound type formed in Proterozoic. Recently, Taohuadong copper deposit of ore-bearing rock hosted in meta-basic volcanic rock(amphibolite)was discovered in Sushui Complex which located in the southwestern segment of Zhongtiao Mountains. In order to determine the ore-forming epoch and geological background for Taohuadong copper deposit, Zhaizi-Xiyao grey gneiss, amphibolite and monzogranite in Sushui Complex, which were ore-bearing wall rocks in Taohuadong copper deposit, were used for isotope dating by the method of LA-MC-ICP-MS. The results showed that the magmatic crystallization ages of zircons were(2 625±11),(2 592±16),(2 548±15)Ma, respectively; the ages of older inherited zircons were(2 790±15),(2 773±24),(2 782±34)Ma, respectively; all the three rocks crystallized in different times had the inherited zircons with similar ages, which were more than 2 700 Ma; Sushui Complex in Zhongtiao Mountains might be initially formed in Archaeozoic. The diagenesis age of Sushui Complex, which was the ore-bearing rock related with metallogenic association, could indirectly indicate the mineralogenetic epoch, so that the ore-bearing palaeovolcano copper deposit with construction type hosted in meta-basic volcanic rock could be one of the oldest copper deposits in China.

References:

[1] 王 植,闻 广.中条山式斑岩铜矿[J].地质学报,1957,37(4):401-415. WANG Zhi,WEN Guang.Porphyry copper deposit in Zhongtiao Mountains[J].Acta Geologica Sinica,1957,37(4):401-415.(in Chinese)
[2] 孙大中,李惠民,林源贤,等.中条山前寒武纪年代学、年代构造格架和年代地壳结构模式的研究[J].地质学报,1991,65(3):216-231. SUN Da-zhong,LI Hui-min,LIN Yuan-xian,et al.Precambrian geochronology,chronotectonic framework and model of chronocrustal structure of the Zhongtiao Mountains[J].Acta Geologica Sinica,1991,65(3):216-231.(in Chinese)
[3] 白 瑾,余致信,颜耀阳,等.中条山前寒武纪地质[M].天津:天津科学技术出版社,1997. BAI Jin,YU Zhi-xin,YAN Yao-yang,et al.Precambrian geo-logy of Zhongtiao Mountains[M].Tianjin:Tianjin Science and Technology Press,1997.(in Chinese)
[4] 赵 斌,王登红,陈振宇,等.山西中条山洞沟铜矿地质特征及找矿前景分析[J].矿床地质,2009,28(4):462-472. ZHAO Bin,WANG Deng-hong,CHEN Zhen-yu,et al.Geological characteristics and ore-search prospects of Donggou copper deposits in Zhongtiaoshan Area,Shanxi Province[J].Mineral Deposits,2009,28(4):462-472.(in Chinese)
[5] 赵 斌,陈毓川,王双猗,等.三岔沟金矿区钼矿成矿时代及中条山区找矿方向的研究[J].地质学报,2009,83(9):1335-1343. ZHAO Bin,CHEN Yu-chuan,WANG Shuang-yi,et al.Ore-forming age of molybdenite deposit in the Sanchagou gold ore area and prospecting direction in the Zhongtiao Mountains Region[J].Acta Geologica Sinica,2009,83(9):1335-1343.(in Chinese)
[6] 张海东,刘建朝,江爱国,等.太行山南段平顺铁矿成矿地质特征及找矿预测[J].地球科学与环境学报,2010,32(3):234-238. ZHANG Hai-dong,LIU Jian-chao,JIANG Ai-guo,et al. Geological feature and prospecting of iron deposit in Pingshun Area,southern Taihang Mountain[J].Journal of Earth Sciences and Environment,2010,32(3):234-238.(in Chinese)
[7] 山西省地质勘查局213地质队.平陆测区区域地质调查报告[R].运城:山西省地质勘查局213地质队,1993. No.213 Geological Team of Shanxi Provincial Geological Prospecting Bureau.Regional geological survey report of Pinglu measuring area[R].Yuncheng:No.213 Geological Team of Shanxi Provincial Geological Prospecting Bureau,1993.(in Chinese)
[8] 孙大中,胡维兴.中条山前寒武纪年代构造格架和年代地壳结构[M].北京:地质出版社,1993. SUN Da-zhong,HU Wei-xing.Precambrian age of the tectonic framework and the age of crustal structure of the Zhongtiao Mountains[M].Beijing:Geology Pubishing House,1993.(in Chinese)
[9] 郭丽爽,刘树文,刘玉琳,等.中条山涑水杂岩中TTG片麻岩的锆石Hf同位素特征及其形成环境[J].岩石学报,2008,24(1):139-148. GUO Li-shuang,LIU Shu-wen,LIU Yu-lin,et al.Zircon Hf isotopic features of TTG gneisses and formation environment of Sushui Complex in Zhongtiao Mountains [J].Acta Petrologica Sinica,2008,24(1):139-148.(in Chinese)
[10] 侯可军,李延河,田有荣.LA-MC-ICP-MS锆石微区原位U-Pb定年技术[J].矿床地质,2009,28(4):481-492. HOU Ke-jun,LI Yan-he,TIAN You-rong.In situ U-Pb zircon dating using LA-MC-ICP-MS[J].Mineral Deposits,2009,28(4):481-492.(in Chinese)
[11] 梁 婷,王登红,侯可军,等.广西大厂笼箱盖复式岩体的LA-MC-ICP-MS锆石U-Pb年龄及其地质意义[J].岩石学报,2011,27(6):1624-1636. LIANG Ting,WANG Deng-hong,HOU Ke-jun,et al.LA-MC-ICP-MS zircon U-Pb dating of Longxianggai pluton in Dachang of Guangxi and its geological significance[J].Acta Petrologica Sinica,2011,27(6):1624-1636.(in Chinese)
[12] 张万平,莫宣学,袁四化,等.西藏朗县蛇绿混杂岩的地球化学特征及地质意义[J].成都理工大学学报:自然科学版,2010,37(5):501-512. ZHANG Wan-ping,MO Xuan-xue,YUAN Si-hua,et al.Geochemical characteristics and tectonic significance of ophiolite mélange from the Langxian County of southeastern Tibet,China[J].Journal of Chengdu University of Technology:Science and Technology Edition,2010,37(5):501-512.(in Chinese)
[13] 陈毓川,王登红,朱裕生,等.中国成矿体系与区域成矿评价[M].北京:地质出版社,2007. CHEN Yu-chuan,WANG Deng-hong,ZHU Yu-sheng,et al.Ore-forming system and regional metallogenic evaluation in China[M].Beijing:Geology Publishing House,2007.(in Chinese)
[14] 王登红,陈毓川.与海相火山作用有关的铁-铜-铅-锌矿床成矿系列类型及成因初探[J].矿床地质,2001,20(2):112-118. WANG Deng-hong,CHEN Yu-chuan.A preliminary study on the metallogenic series type of Fe-Cu-Ph-Zn ore deposits related to submarine volcanism and its origin[J].Mineral Deposits,2001,20(2):112-118.(in Chinese)
[15] 王登红,应立娟,唐菊兴,等.与角岩有关的矿床主要类型及其对深部找矿的意义[J].地球科学与环境学报,2011,33(3):221-229. WANG Deng-hong,YING Li-juan,TANG Ju-xing,et al.Major type of hornfels-related deposits and application for deep prospecting[J].Journal of Earth Sciences and Environment,2011,33(3):221-229.(in Chinese)

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Last Update: 2012-03-20