The Rotation of the Pacific Plate Induced by the Ontong Java Large Igneous Province

doi:10.1007/s12583-021-1582-0

	The Rotation of the Pacific Plate Induced by the Ontong Java Large Igneous Province
	Sun, Weidong1,2,3 ; Zhang, Lipeng 1,2,3; Liu, Xi 1,2,3
	2022-03-07
发表期刊	JOURNAL OF EARTH SCIENCE
ISSN	1674-487X
页码	8
通讯作者	Sun, Weidong(weidongsun@qdio.ac.cn)
摘要	The eruption of large igneous provinces usually has major geodynamic influences on overriding plates. Seamount chains indicate that the drifting direction of the Pacific Plate changed by similar to 80 degrees in the Early Cretaceous when the Ontong Java Plateau formed. This, however, is not fully consistent with the magnetic anomalies. Here we show that there is an angle of similar to 25 degrees between the magnetic anomaly lines M-0 and 34 of both the Japanese and the Hawaiian lineations, suggesting that the orientations of both spreading ridges changed by roughly the same angle towards the same direction. The configurations of the Shatsky Rise, the Papanin Ridge and the Osbourn Trough suggest that the eruption of the Ontong Java plume head uplifted the southeastern corner of the Pacific Plate, and pushed its east part northward by similar to 700 km within 2 Ma. Meanwhile, the west part of the Pacific Plate was subducting southwestward underneath the eastern Asian Continent. These two forces together rotated the Pacific Plate anticlockwisely by ca 50 degrees. Consequently, the drifting direction of the Pacific Plate also changed from southwestward to northwestward, which plausibly explains the ca 80 degrees bending of the Shatsky Rise and the Papanin Ridge. The ridge between the Pacific and the Izanagi/Kula plates was pointed towards the similar to 300 degrees orientation, whereas the Pacific Plate was subducting towards the similar to 250 degrees orientation before similar to 125 Ma, and towards similar to 280 degrees afterward.
关键词	Pacific Plate Ontong Java Plateau rotation magnetic anomalies Shatsky Rise geodynamics
DOI	10.1007/s12583-021-1582-0
收录类别	SCI
语种	英语
资助项目	National Key R&D Program of China[2016YFC0600408] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA22050103] ; Taishan Scholar Program of Shandong Province[ts201712075] ; Pilot National Laboratory of Marine Science and Technology[2017ASTCP-OS07] ; Aoshan Talents Cultivation Program
WOS研究方向	Geology
WOS类目	Geosciences, Multidisciplinary
WOS记录号	WOS:000765681000001
出版者	CHINA UNIV GEOSCIENCES, WUHAN
引用统计	被引频次：6[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/178177
专题	深海极端环境与生命过程研究中心
通讯作者	Sun, Weidong
作者单位	1.Chinese Acad Sci, Ctr Deep Sea Res, Ctr Ocean Megasci, Inst Oceanol, Qingdao 266071, Peoples R China 2.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Mineral Resources, Qingdao 266237, Peoples R China 3.Univ Chinese Acad Sci, Sch Marine Sci, Beijing 100049, Peoples R China
第一作者单位	中国科学院海洋大科学研究中心
通讯作者单位	中国科学院海洋大科学研究中心
推荐引用方式 GB/T 7714	Sun, Weidong,Zhang, Lipeng,Liu, Xi. The Rotation of the Pacific Plate Induced by the Ontong Java Large Igneous Province[J]. JOURNAL OF EARTH SCIENCE,2022:8.
APA	Sun, Weidong,Zhang, Lipeng,&Liu, Xi.(2022).The Rotation of the Pacific Plate Induced by the Ontong Java Large Igneous Province.JOURNAL OF EARTH SCIENCE,8.
MLA	Sun, Weidong,et al."The Rotation of the Pacific Plate Induced by the Ontong Java Large Igneous Province".JOURNAL OF EARTH SCIENCE (2022):8.

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