Development of submarine canyons and sediment dispersal system in SW Taiwan margin
Presenter : Jia-Rou Lu Advisor : Shu-Kun Hsu
Abstract
The sediment dispersal system in southwestern Taiwan margin consists of Penghu Submarine Canyon and Gaoping Submarine Canyon.
Penghu Submarine Canyon is north–south direction along the boundary between the active Taiwan margin and the passive Chinese margin. The canyon is parallel to the strike of the Taiwan mountain belt. The Gaoping Submarine Canyon begins at the mouth of the Gaoping River, crosses the narrow Gaoping Shelf and the Gaoping Slope.
Both Penghu Canyon and Gaoping Submarine Canyon finally merge into the Manila Trench. Interpretations of seismic profiles collected the Penghu Canyon and Gaoping Submarine Canyon imply that sediments derived from the uprising Central Range of Taiwan, via the courses of these canyons finally into the Manila Trench, where is the ultimately sink of the sediment from the Taiwan orogeny.
Raferences
Yu, H.-S. and Hong, E. (2006) Shifting submarine canyons and development of a foreland basin in SW Taiwan: controls of foreland sedimentation and longitudinal sediment transport. J. Asian Earth Sci. , 27: 922- 932.
Yu, H.S., Chiang, C.S. and Shen, S.M.(2009) Tectonically active sediment dispersal system in SW Taiwan margin with emphasis on the Kaoping Submarine Canyon. Jour. SCI.Mar. Sys., 76: 369-282