Post-collisional potassic magmatism in the eastern Lhasa terrane, South Tibet: Products of partial melting of mélanges in a continental subduction channel

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• 作者：Lihong Zhang<sup>asup><sup> ; sup><sup>bsup> ; Zhengfu Guo<sup>asup><sup> ; sup><sup>zfguo@mail.iggcas.ac.cnsup> ; Maoliang Zhang<sup>asup><sup> ; sup><sup>bsup> ; Zhihui Cheng<sup>asup><sup> ; sup><sup>bsup> ; Yutao Sun<sup>asup><sup> ; sup><sup>bsup>
• 关键词：Post-collisional potassic magmatism ; Zircon U&ndash ; Pb dating ; Assimilation and fractional crystallization (AFC) ; Indian mé ; langes ; South Tibet
• 刊名：Gondwana Research
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：41
• 期：Complete
• 页码：9-28
• 全文大小：4163 K
• 卷排序：41

文摘

Zircon U–Pb ages of the YPVR are 10.61 ± 0.10 Ma and 10.70 ± 0.18 Ma, respectively. The YPVR were generated by AFC process of mantle-derived ultrapotassic magmas. Ultrapotassic magmas resulted from partial melting of the Indian mélange rocks.