[1]杨明桂,王光辉,徐梅桂,等.江西省及邻区滨太平洋构造活动的基本特征[J].华东地质,2016,37(01):10-18.[doi:10.16788/j.hddz.32-1865/P.2016.01.002]
 YANG Ming-gui,HU Qing-hua,XU Mei-gui,et al.Basic characteristics of the Marina Pacific tectonic activities in Jiangxi Province and its adjacent areas[J].East China Geology,2016,37(01):10-18.[doi:10.16788/j.hddz.32-1865/P.2016.01.002]
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江西省及邻区滨太平洋构造活动的基本特征()
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《华东地质》[ISSN:2096-1871/CN:32-1865/P]

卷:
37
期数:
2016年01期
页码:
10-18
栏目:
特约专稿
出版日期:
2016-03-15

文章信息/Info

Title:
Basic characteristics of the Marina Pacific tectonic activities in Jiangxi Province and its adjacent areas
文章编号:
2096-1871(2016)01-010-09
作者:
杨明桂1王光辉2徐梅桂3胡青华1
1 江西省地质矿产勘查开发局;2.江西省地质调查院;3.江西省地矿局物化探大队
Author(s):
YANG Ming-gui1HU Qing-hua2XU Mei-gui3HU Qing-hua1
(1.JiangxiBureau of Geology and Mineral Resources Exploration and Development, Nanchang 330002, China)( 2.Geological Survey of Jiangxi Province,Nanchang 330030, China)(3.Geophysical and Geochemical Exploration Party, Jiangxi Bureau of Geology and Mineral Resources, Nanchang 330002, China)
关键词:
江西及邻区滨太平洋构造陆内活化造山伸展成山成盆弱造山资源环境
Keywords:
Jiangxi and its adjacent area Marina Pacific tectonic intracontinental activation orogeny mountains- and basin-building weak orogeny resources and environment
分类号:
P542
DOI:
10.16788/j.hddz.32-1865/P.2016.01.002
文献标志码:
A
摘要:
在研编《江西省区域地质志》、《江西省矿产地质志》与《江西省环境地质志》的基础上,进一步综合研究江西省及邻区滨太平洋构造活动及其与地质资源环境的关系。研究认为:燕山运动时期,古太平洋板块向欧亚板块俯冲并相对强烈左行扭动,东亚陆区处于活化造山环境,形成的新华夏构造体系是滨西太平洋构造活动至今的主体构造。在华南,燕山运动启动于中侏罗世,呈偏心状核幔式扩展。由于岩石圈活化与物质大规模调整,发生了岩浆成矿大爆发,并导致地壳热胀蠕散,形成了复杂的复合动力机制。晚白垩世进入燕山期造山后与喜马拉雅期强烈的伸展成山成盆时期,至古近纪末转变为弱造山活动,地壳趋于相对稳定,构成了优越的生态地质环境,也带来一些环境地质问题。
Abstract:
During the compilation of The Regional Geology of Jiangxi Province, The Mineral Geology of Jiangxi Province and The Environmental Geological Survey in Jiangxi Province, the authors further studied the tectonic activities of the Marina Pacific Ocean in Jiangxi Province and its adjacent areas and their connection with geological resources and environment. The research suggests that during the Yanshanian movement, terrestrial area in East Asia was in an activated orogenic environment because the Pacific plate subducted towards the Eurasian plate, accompanied with relatively strong sinister twisting, forming a new Cathaysian tectonic system which was the major structure since the Marina Pacific tectonic activity. The Yanshanian Movement of South China began in the middle Jurassic, expanding in the shape of eccentric nucleus. The lithosphere activation and large-scale material adjustment caused the extensive magmatic mineralization and thermal creep movement of the earth’s crust, forming the complex dynamic mechanism. This area entered to Yanshannian post-tectonic period, to mountain-basin forming period due to extensive Himalayan expansion, and then to weak orogenic stage in the Paleogene, until the earth’s crust tended to be relatively stable. All this activities not only constituted the superior ecological-geological environment but brought some environmental geological issues.

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备注/Memo

备注/Memo:
基金项目:中国地质科学院矿产资源研究所委托项目“华南洋-滨太平洋构造演化与成矿作用”研究专题。
第一作者简介:杨明桂,1933年生,男,教授级高级工程师,从事区域地质调查、矿产勘查和科研工作。
更新日期/Last Update: 2016-03-30