Thermochemical structure of the North China Craton from multi-observable probabilistic inversion: Extent and causes of cratonic lithosphere modification
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- 作者：Zhen Guoa ; b ; Juan Carlos Afonsob ; juan.afonso@mq.edu.au" class="auth_mail" title="E-mail the corresponding author ; Mehdi Tork Qashqaib ; Yingjie Yangb ; Y. John Chena ; c
- 关键词：Joint inversion ; North China Craton ; Ordos block ; Lithospheric thickness ; Sublithospheric convection ; Craton destruction
- 刊名：Gondwana Research
- 出版年：2016
- 出版时间：September 2016
- 年：2016
- 卷：37
- 期：Complete
- 页码：252-265
- 全文大小：4837 K
文摘
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The first high-resolution 3D thermochemical model of the NCC is obtained using multi-observable probabilistic inversion method.
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We image a highly heterogeneous lithospheric structure, both thermally and chemically.
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Large-scale upwelling interacts with the shallow lithosphere beneath the TNCO producing volcanism and metasomatism.
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A thick and refractory lithospheric "keel" is preserved beneath the Ordos Block and TNCO.