西藏的缝合带与特提斯演化

被引:40
作者
曾庆高 [1 ,2 ]
王保弟 [3 ]
西洛郎杰 [1 ]
毛国正 [4 ]
刘海永 [5 ]
刘恭喜 [2 ]
机构
[1] 西藏自治区地质矿产勘查开发局
[2] 西藏自治区地质矿产勘查开发局地热地质大队
[3] 中国地质调查局成都中心
[4] 西藏自治区地质矿产勘查开发局西勘集团
[5] 西藏自治区地质调查院
关键词
缝合带; 转换断层; 走滑型边界; 原特提斯; 古特提斯; 新特提斯; 构造地质学;
D O I
暂无
中图分类号
P542 [构造运动];
学科分类号
摘要
西藏的缝合带一直是西藏高原基础地质研究中最热门的科学问题之一.立足于西藏高原4条主要缝合带的物质组成、缝合结构以及形成时代等资料,根据时空结构分析认为古特提斯演化与转换构造有关,雅鲁藏布江洋盆扩张与羌塘-三江地区的印支运动具有耦合的时空变换关系;重点讨论了以班公湖-怒江带为中心的古-新特提斯转换扩张性质,构造体制上属左行走滑拉分,形成了西藏高原上颇具特色的与走滑拉分方向平行的伸展构造类型杂岩系,其重要意义不亚于高原周缘逆冲-拆离系构成的杂岩系和美国西部的盆-岭变质核杂岩;探讨了西藏东、西部地区不同地质结构的科学问题,提出了冈底斯岩浆弧拓展加宽受雅鲁藏布洋双重俯冲的制约.
引用
收藏
页码:2735 / 2763
页数:29
相关论文
共 134 条
  • [1] 龙木错—双湖—澜沧江洋历史记录.[D].吴彦旺.吉林大学.2013, 08
  • [2] Evolution of the Bangong–Nujiang Tethyan ocean: Insights from the geochronology and geochemistry of mafic rocks within ophiolites.[J].Bao-Di Wang;Li-Quan Wang;Sun-Lin Chung;Jian-Lin Chen;Fu-Guang Yin;Han Liu;Xiao-Bo Li;Ling-Kang Chen.LITHOS.2015,
  • [3] New paleomagnetic results of the early Permian in the Xainza area; Tibetan Plateau and their paleogeographical implications.[J].Bo Ran;Chengshan Wang;Xixi Zhao;Yalin Li;Meng He;Lidong Zhu;Robert S. Coe.Gondwana Research.2011, 2
  • [4] The Indus–Yarlung Zangbo ophiolites from Nanga Parbat to Namche Barwa syntaxes; southern Tibet: First synthesis of petrology; geochemistry; and geochronology with incidences on geodynamic reconstructions of Neo-Tethys.[J].R. Hébert;R. Bezard;C. Guilmette;J. Dostal;C.S. Wang;Z.F. Liu.Gondwana Research.2011, 2
  • [5] Eocene–Oligocene granitoids in southern Tibet: Constraints on crustal anatexis and tectonic evolution of the Himalayan orogen.[J].Zeng-Qian Hou;Yuan-Chuan Zheng;Ling-Sen Zeng;Li-E Gao;Ke-Xian Huang;Wei Li;Qiu-Yun Li;Qiang Fu;Wei Liang;Qing-Zhong Sun.Earth and Planetary Science Letters.2012,
  • [6] Cenozoic anatexis and exhumation of Tethyan Sequence rocks in the Xiao Gurla Range; Southwest Tibet.[J].Alex Pullen;Paul Kapp;Peter G. DeCelles;George E. Gehrels;Lin Ding.Tectonophysics.2011, 1
  • [7] Triassic eclogites from central Qiangtang; northern Tibet; China: Petrology; geochronology and metamorphic P–T path.[J].Qing-Guo Zhai;Ru-Yuan Zhang;Bor-Ming Jahn;Cai Li;Shu-Guang Song;Jun Wang.LITHOS.2011, 1
  • [8] Mid-Eocene high Sr/Y granites in the Northern Himalayan Gneiss Domes: Melting thickened lower continental crust.[J].Lingsen Zeng;Li-E Gao;Kejia Xie;Jing Liu-Zeng.Earth and Planetary Science Letters.2011, 3
  • [9] Late Devonian OIB alkaline gabbro in the Yarlung Zangbo Suture Zone: Remnants of the Paleo-Tethys?.[J].Jingen Dai;Chengshan Wang;Réjean Hébert;Yalin Li;Hanting Zhong;Raoult Guillaume;Rachel Bezard;Yushuai Wei.Gondwana Research.2010, 1
  • [10] Numerical modelling of spontaneous slab breakoff and subsequent topographic response.[J].Thibault Duretz;Taras V. Gerya;Dave A. May.Tectonophysics.2010, 1