https://scholars.lib.ntu.edu.tw/handle/123456789/510073
標題: | The extrusion of south-west Taiwan: An offshore-onshore synthesis | 作者: | Deffontaines, B. Char-Shine, L. Rou-Fei, C. |
關鍵字: | Extrusion; Interferometry; Neotectonics; Sismic profiles; Structural geology; SW Taiwan | 公開日期: | 2015 | 出版社: | Springer International Publishing | 卷: | 6 | 起(迄)頁: | 153-160 | 來源出版物: | Engineering Geology for Society and Territory - Volume 6: Applied Geology for Major Engineering Projects | 摘要: | Neotectonic Interpretation of the different marine surveys (ACT,…) swath bathymetry and different onshore-offshore sismic profiles combined to classical structural fieldwork, geodetic, seismological and interferometric studies lead us to propose a global structural scheme and confirm the regional escape tectonics affecting both onshore-offshore of SW Taiwan. First, it is highlighted here the difficulty to only interprete the swath bathymetry even in the northern tip of the Manila accretionnary prism which is a rather simple geological context but affected by both (1) a strong amount of sedimentation due to the Taiwan mountain belt erosion, and (2) to the submarine erosion of the giant Penghu canyon. Second point, is the importance of the seismic interpretation in order to get the offshore bedding and structural data combined with the swath bathymetry and to the photointerpretation of the digital Terrain Model combined to the accurate geological maps to precisely delineate the blocks that is inferred to be submitted to a classical escape tectonic. Third, the precise study of the two new major structural boundaries Fangliao and Young-An structures which guides the SW Taiwan extrusion. Combined with onshore studies (e.g. interferometry (DINSAR), geodetic, seismology and field work) which gives (1) locations, characterization and quantification on the interseismic displacements and (2) lead us to modify our view of the global tectonic structures of the SW Taiwan. To conclude, it is highly recommended to combine both approach on and offshore geology in order to better understand geology and active structures in that part of the world. © Springer International Publishing Switzerland 2015. |
URI: | https://ntu.primo.exlibrisgroup.com/permalink/886NTU_INST/14poklj/alma991021357369704786 https://scholars.lib.ntu.edu.tw/handle/123456789/510073 |
ISBN: | 9783319090603 9783319090597 |
DOI: | 10.1007/978-3-319-09060-3_26 | SDG/關鍵字: | Bathymetry; Erosion; Extrusion; Geodesy; Interferometry; Seismology; Tectonics; Active structures; Digital terrain model; Neotectonics; Seismic interpretation; Sismic profiles; Structural boundary; Structural scheme; SW Taiwan; Structural geology |
顯示於: | 海洋中心 |
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