Tectonic implications of Early Miocene OIB magmatism in a near-trench setting: The Outer Zone of SW Japan and the northernmost Ryukyu Islands

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• 作者：Kazuo Kiminami^a ; Teruyoshi Imaoka^a ; ^{imaoka@yamaguchi-u.ac.jp} ; Kazuki Ogura^b ; Hiroshi Kawabata^c ; Hideo Ishizuka^d ; Yasushi Mori^e
• 关键词：Early Miocene ; OIB ; Near-trench magmatism ; Philippine Sea Plate ; Shallow subduction ; Slab tear
• 刊名：Journal of Asian Earth Sciences
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：135
• 期：Complete
• 页码：291-302
• 全文大小：2239 K
• 卷排序：135

文摘

Early Miocene OIB magmatism in the Outer Zone of SW Japan and Ryukyu is confirmed. Early Miocene shallow subduction of the Philippine Sea slab is proposed. Fractures or tears of the slab are responsible for the near-trench OIB magmatism.