An Approach to Geological Features and Tectonic Setting of Ophiolite Suite in <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:place w:st="on"><st1:City w:st="on">Coqên</st1:City>, <st1:country-region w:st="on">Tibet</st1:country-region></st1:place>

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An Approach to Geological Features and Tectonic Setting of Ophiolite Suite in Coqên, Tibet

详细信息

责任者：Xie Yunxi (Regional Geological Surveying Team ; BGEEMRSP ; Chengdu 610213 ; China) ; Jiang Yuansheng
刊名：Acta Geologica Sichuan
出版年：2011
卷期：31(3)
关键词：蛇绿岩 ; ophiolite ; 蛇绿混杂堆积 ; ophiolite complexes ; 西藏 ; Tibet
页码：p.255-259
图表：2 illus., 3 tables, 4 refs.
分类号：0801
issnNo：ISSN1006-0995
isbnNo：CN51-1273/P

摘要

The Coqên region lies in the Yarlung Zangbo basic-ultrabasic rock belt-Nyainqêntanglha island arc magmatic belt characterized by strong magmatic activity during Jurassic-Quaternary. Intrusions dominated by intermediated and acid intrusions over basic-ultrabasic intrusions were emplaced during Yanshanian and Himalayan epochs. The basic-ultrabasic intrusions as parts of the Ngamring ophiolite suite or Anba ophiolite suite were emplaced in an ocean ridge setting transitional to oceanic islands during the early Late Cretaceous.