Paleozoic magmatism and porphyry Cu-mineralization in an evolving tectonic setting in the North Qilian Orogenic Belt, NW China
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- 作者：Kun-Feng Qiua ; b ; Jun Denga ; djun@cugb.edu.cn" class="auth_mail" title="E-mail the corresponding author ; kunfeng.qiu_cugb@qq.com" class="auth_mail" title="E-mail the corresponding author ; Ryan D. Taylorb ; Kai-Rui Songa ; Yao-Hui Songa ; c ; Quan-Zhong Lid ; Richard J. Goldfarba ; b
- 关键词：Geochemistry ; Geochronology ; Hf isotope ; Magmatic oxygen fugacity ; Wangdian Cu deposit ; Paleo Qilian-Qinling Ocean
- 刊名：Journal of Asian Earth Sciences
- 出版年：2016
- 出版时间：15 May 2016
- 年：2016
- 卷：122
- 期：Complete
- 页码：20-40
- 全文大小：5193 K
文摘
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Wangdian Cu deposit formed in relation to northward subduction of Qilian-Qinling Ocean.
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445 Ma magmas have higher oxygen fugacities compared to that of earlier barren tonalite.
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Subduction generated a lithosphere amenable to subsequent melting during porphyry formation.
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