Southward trench migration at ∼130-120 Ma caused accretion of the Neo-Tethyan forearc lithosphere in Tibetan ophiolites
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- 作者：Qing Xionga ; b ; qing.xiong@mq.edu.au" class="auth_mail" title="E-mail the corresponding author ; qing.xiong1986@gmail.com" class="auth_mail" title="E-mail the corresponding author ; William L. Griffina ; Jian-Ping Zhengb ; Suzanne Y. O'Reillya ; Norman J. Pearsona ; Bo Xua ; Elena A. Belousovaa
- 关键词：Yarlung Zangbo ophiolites ; South Tibet ; Neo-Tethyan forearc accretion ; southward trench migration ; ophiolite conundrum
- 刊名：Earth and Planetary Science Letters
- 出版年：2016
- 出版时间：15 March 2016
- 年：2016
- 卷：438
- 期：Complete
- 页码：57-65
- 全文大小：1570 K
文摘
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Two distinctive mantle domains are identified in a Tibetan ophiolite.
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Lherzolite subcretion was coeval with dolerite dyke intrusion into harzburgite.
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Tethyan subduction initiation at ∼130–120 Ma caused forearc lithosphere accretion.
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Southward trench migration at ∼130–120 Ma interrupted the Gangdese magmatism.