Evolution of the southern Taiwan-Sinzi Folded Zone and opening of the southern Okinawa trough

Fanchen Kong*, Lawrence A. Lawver, Tung Yi Lee

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

37 引文 斯高帕斯(Scopus)

摘要

Recent interpretation of seismic sections and free-air gravity anomalies in offshore northern Taiwan reveals that the southern Taiwan-Sinzi Folded Zone began to form in late Middle Miocene, though it was mainly constructed in the Late Pliocene with strong reverse faulting and folding. Two westward progradational sequences were deposited in the shelf basin with sediments supplied from the southern Taiwan-Sinzi Folded Zone and the southern Ryukyu Arc. These two structures are displaced by several northwest-striking dextral strike-slip faults that were active in the early Quaternary when the clockwise-rotated southern Ryukyu Arc and the folded southern Taiwan-Sinzi Folded Zone were broken. It is believed that recent extension in the southern Okinawa Trough started in the early Quaternary because uplift on the southern Taiwan-Sinzi Folded Zone continued to latest Pliocene-early Quaternary. Paleogene-Miocene sediments of the East China Sea Shelf in the western part of the southern Okinawa Trough Basin are interpreted to indicate that the East China Sea Shelf Basin extended to the east of the southern Taiwan-Sinzi Folded Zone. (C) 2000 Elsevier Science Ltd. All rights reserved.

原文英語
頁(從 - 到)325-341
頁數17
期刊Journal of Asian Earth Sciences
18
發行號3
DOIs
出版狀態已發佈 - 2000 六月 1

ASJC Scopus subject areas

  • 地質學
  • 地表過程

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