Rapid lithospheric thinning of the North China Craton: New evidence from cretaceous mafic dikes in the Jiaodong Peninsula
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- 作者：Liang Maa ; Shao-Yong Jiangb ; c ; shyjiang@cug.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Albrecht W. Hofmannd ; e ; Yi-Gang Xua ; Bao-Zhang Daic ; Ming-Lan Houf
- 关键词：Asthenospheric mantle ; Mafic dikes ; Mechanism of lithospheric thinning ; North China Craton
- 刊名：Chemical Geology
- 出版年：2016
- 出版时间：15 August 2016
- 年：2016
- 卷：432
- 期：Complete
- 页码：1-15
- 全文大小：1726 K
文摘
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The studied Cretaceous mafic dikes from Jiaodong were derived from an asthenospheric mantle.
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The mantle source was previously modified by carbonatitic liquids.
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Both the lamprophyres and diabase-porphyries were emplaced at 123–121 Ma.
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Lithosphere was suddenly detached just prior to ca. 120 Ma.
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Jiaodong and Bohai area may be the center of the lithospheric thinning of the NCC.