Zircon U-Pb ages, Hf-O isotopes and trace elements of Mesozoic high Sr/Y porphyries from Ningzhen, eastern China: Constraints on their petrogenesis, tectonic implications and Cu mineralization
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- 作者：Fangyue Wanga ; b ; fywang@ustc.edu.cn" class="auth_mail ; Sheng-Ao Liuc ; lsa@cugb.edu.cn" class="auth_mail ; Shuguang Lia ; c ; Shamim Akhtara ; Yongsheng Hec
- 关键词：Zircon Hf&ndash ; O isotopes ; Ce4 ; +/Ce3 ; + ; fo2 ; High Sr/Y porphyry ; Lower Yangtze River Belt ; Ningzhen
- 刊名：Lithos
- 出版年：July 2014
- 年：2014
- 卷：200-201
- 期：Complete
- 页码：299-316
- 全文大小：1206 K
文摘
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Ningzhen high Sr/Y porphyries formed at ~ 100–109 Ma.
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High fo2 and water rich in their magma sources
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Magma mixing of metasomatized mantle and ancient lower continental crust
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Flat subduction and slab rolling back model could explain the Mesozoic magmatic rocks in the LYRB.