The Early Miocene Provenance Shift of ODP Site 1177 and Implications for the Tectonic Evolution of the Shikoku Basin, Philippine Sea Plate

Liu, Wei1,2; Feng, Wanyi2; Gai, Congcong2; Zhou, Yang2; Zhong, Yi2; Cao, Wei2; Li, Yuanjie2; Zhao, Xixi2; Liu, Qingsong2,3

2022-05-24

10.3389/feart.2022.870298

FRONTIERS IN EARTH SCIENCE   影响因子和分区

2296-6463

The Ocean Drilling Program Site 1177 recovered the oldest (similar to 23 Ma) sedimentary records in the Shikoku Basin, northeastern part of the Philippine Sea Plate. Changes in sediment provenances bear important implications for the tectonic evolution of the Philippine Sea Plate, but existing data are still controversial for the early Miocene. By integrating Sr-Nd isotopes, rock-magnetic parameters, diffuse reflectance spectroscopy, and the previous data on the detrital zircons and clay minerals from Site 1177, we found that a significant provenance shift occurred at similar to 16.5 Ma. The sediments of Site 1177 before similar to 16.5 Ma were mainly sourced from the Pearl River and Izu-Bonin Arc, but changed to the Yangtze River and Izu-Bonin Arc sources after that. This provenance shift was strongly linked with the northward motion and clockwise rotation of the Shikoku Basin in the Miocene, which marked the final time of separation between the Shikoku Basin and the South China Sea.

ODP site 1177 provenance shift philippine sea plate tectonic rock-magnetism

SCI

英语

通讯

National Natural Science Foundation of China[92158208,41874076,41874078,42002052,41704068] ; China Postdoctoral Science Foundation[2021M701557] ; Shanghai Sheshan National Geophysical Observatory, Shanghai, China[SSKP202101] ; Shenzhen Science and Technology Program[KQTD20170810111725321]

Geology

Geosciences, Multidisciplinary

WOS:000807518300001

FRONTIERS MEDIA SA

Web of Science

1.Harbin Inst Technol, Sch Environm, Harbin, Peoples R China
2.Southern Univ Sci & Technol, Ctr Marine Magnetism CM2, Dept Ocean Sci & Engn, Shenzhen, Peoples R China
3.Southern Marine Sci & Engn Guangdong Lab Guangzhou, Guangzhou, Peoples R China

Liu, Wei,Feng, Wanyi,Gai, Congcong,et al. The Early Miocene Provenance Shift of ODP Site 1177 and Implications for the Tectonic Evolution of the Shikoku Basin, Philippine Sea Plate[J]. FRONTIERS IN EARTH SCIENCE,2022,10.

Liu, Wei.,Feng, Wanyi.,Gai, Congcong.,Zhou, Yang.,Zhong, Yi.,...&Liu, Qingsong.(2022).The Early Miocene Provenance Shift of ODP Site 1177 and Implications for the Tectonic Evolution of the Shikoku Basin, Philippine Sea Plate.FRONTIERS IN EARTH SCIENCE,10.

Liu, Wei,et al."The Early Miocene Provenance Shift of ODP Site 1177 and Implications for the Tectonic Evolution of the Shikoku Basin, Philippine Sea Plate".FRONTIERS IN EARTH SCIENCE 10(2022).