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Delamination and destruction of the North China Craton
  • ISSN号:1001-6538
  • 期刊名称:科学通报(英文版)
  • 时间:0
  • 页码:3367-3378
  • 语言:中文
  • 分类:P3[天文地球—地球物理学]
  • 作者机构:[1]State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Wuhan 430074, China, [2]State Key Laboratory of Continental Dynamics, Northwest University, Xi'an 710069, China, [3]College of Earth Sciences, Jilin University, Changchun 130061, China
  • 相关基金:Supported jointly by the National Natural Science Foundation of China (Grant Nos. 90714010, 90714005, 90814003 and 40673019), Ministry of Education and State Administration of Foreign Experts of China (Grant No. B07039) as well as the MOST special funds from State Key Laboratory of Continental Dynamics and State Key Laboratory of Geological Processes and Mineral Resources We thank Jin Z M and Rudnick R L for collaboration and discussion on delamination over the last twelve years. We also thank Zheng Y F for invitation to contribute this paper. We finally thank three anonymous reviewers, which help to clarify the arguments for their comments.
  • 相关项目:华北克拉通破坏深部过程的高温高压实验研究
中文摘要:

这篇文章在石版印刷的化学、物理的进程的研究在最近的开发给出概述关于北方中国 Craton 的破坏的球的分层。辉岩采购原料源于在之间的相互作用,这被强调导出 eclogite 融化并且橄榄岩是分层的直接后果。因此形成的辉岩来源有唯一矿物学并且 geochemical 展示 Craton,它描绘北方中国的中生代暗岩。融化橄榄岩相互作用在 cratonic 石版印刷的授精起了一个重要作用球的披风,导致密度增加,变弱并且诺思中国 Craton 的最后的 destabilization。melt 的性质是钥匙区分 destructing 的机制这 craton。

英文摘要:

This article presents an overview on recent developments in studies of chemical and physical processes of lithospheric delamination with respect to destruction of the North China Craton. It is emphasized that the pyroxenite source resulting from interaction between eclogite-derived melt and peridotite is a direct consequence of delamination. The pyroxenite source thus formed has unique mineralogical and geochemical features, which characterize Mesozoic basalts of the North China Craton. Melt-peridotite interaction played an important role in refertilization of cratonic lithospheric mantle, leading to density increase, weakening and final destabilization of the North China Craton. The nature of the melt is the key to distinguish mechanisms of destructing this craton.

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