Seismic stratigraphy and structural analysis of the northern East China Sea Shelf Basin interpreted from multi-channel seismic reflection data and cross-section restoration

Cukur, Deniz; Horozal, Senay; Kim, Dae C.; Han, Hyun C.

doi:10.1016/j.marpetgeo.2011.01.002

Cited by 66 publications

(52 citation statements)

References 26 publications

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“…The basin of the East China Sea shelf, also known as East China Sea Shelf Basin, is the largest Cenozoic sedimentary basin of the East Asia continental margin [2]. There are several sub-basins at the southern end of the East China Sea Shelf Basin (Figure 1b) [11].…”

Section: Geological Backgroundsmentioning

confidence: 99%

“…The formations of the unconformities U1 and U2 shall be related to the tectonic development of the Late Miocene-present sedimentary basin of northern offshore Taiwan, which has been considered as post-rift basin [1,2], back-arc basin [3][4][5], post-collisional basin [6][7][8], and strikeslip basin [10]. Among the four competing models, the strike-slip motion has been proposed for long time, as it may be caused by the formation of the East China Sea Shelf Basin or the opening southern Okinawa Trough [9,10].…”

Section: Late Neogene Basin Of North Offshore Taiwanmentioning

confidence: 99%

“…The northern offshore area of Taiwan is surrounded by different geological units highlighting that several basins have influenced its tectono-sedimentary evolution. It could be the part of the post-rift stage of the Paleogene rift basin in the East China Sea [1,2]. It may also be proposed that it is dominated by relict back-arc basins, which were controlled by a progressive eastward migrating subduction of the Pacific plate and ended up in the present Okinawa Trough [3][4][5].…”

Section: Introductionmentioning

confidence: 99%

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Seismic Stratigraphic Features of the Late Miocene-Present Unconformities and Related Seismic Units, Northern Offshore Taiwan

Chang¹,

Yang²,

Hsu³

et al. 2017

Seismic and Sequence Stratigraphy and Integrated Stratigraphy - New Insights and Contributions

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We investigate the seismic stratigraphic features offshore northern Taiwan by using newly collected multichannel seismic data. Two significant regional unconformities U1 and U2 have been identified, which further subdivide the sedimentary sequence into three seismic units as SU I, SU II, and SU III. The lowermost seismic unit SU I is a pre-late Miocene sequence, while the middle and upper seismic unit SU II and SU III result from the interactions between the rapid fault-controlled subsidence and the stable thermal-controlled subsidence. We consider that the present-day offshore northern Taiwan is under a post-collisional state and the unconformities U1 and U2 represent a response to the mountain collapse and to the cessation of the regional volcano-tectonic activities. It is not until 1.5 Ma that northern offshore Taiwan became a post-collisional basin and started to receive sediments, with a rapid fault-controlled subsidence. Afterward, the basin became dominated by a stable thermal-controlled subsidence at 0.2 Ma. Although the main volcano-tectonic activities in the northern offshore Taiwan are ceased, modern geophysical and geochemical investigations have suggested that the tectonism and the volcanism are still active and represent potential threatening geohazard.

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Section: Geological Backgroundsmentioning

confidence: 99%

Section: Late Neogene Basin Of North Offshore Taiwanmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Seismic Stratigraphic Features of the Late Miocene-Present Unconformities and Related Seismic Units, Northern Offshore Taiwan

Chang¹,

Yang²,

Hsu³

et al. 2017

Seismic and Sequence Stratigraphy and Integrated Stratigraphy - New Insights and Contributions

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“…Seismic profile showing top of acoustic basement and Late-Miocene unconformity correlated with those ofLee et al (2006) andCukur et al (2011). SeeFig.…”

mentioning

confidence: 86%

“…We correlated the top of the acoustic basement and the LateMiocene unconformity in the study area with those identified and mapped by Lee et al (2006) and Cukur et al (2011) (Fig. 4).…”

Section: Seismic Data Interpretationmentioning

confidence: 99%

The geological CO2 storage capacity of the Jeju Basin, offshore southern Korea, estimated using the storage efficiency

Lee

Kim

et al. 2014

International Journal of Greenhouse Gas Control

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Three-dimensional ambient noise tomography across the Taiwan Strait: The structure of a magma-poor rifted margin

et al. 2016

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Rifting along southeastern Eurasia in the Late Cenozoic led to the formation of a magma-poor rifted margin facing the South China Sea to the southeast and the Philippine Sea to the east. Further rifting along the outer part of the margin during the middle to late Miocene was accompanied by an extensive episode of intraplate flood volcanism that formed the Penghu Archipelago. Previous geophysical studies in the area of the strait have focused primarily on the shallow structures of the rift basins and the depth to the Moho. In this study we present the regional-scale 3-D S wave structure of the Taiwan Strait that is derived from a joint Chinese and Taiwanese 3-D ambient noise tomography study. The S wave model shows a thinning of the crust beneath the rift basins where, locally, thin high-velocity layers suggest the presence of intrusive bodies. The rift basin and the foreland basin along the west coast of Taiwan are imaged as low-velocity zones with thicknesses between 5 and 10 km and extending eastward beneath the Taiwan mountain belt. In the upper 10 km of the crust, the basaltic rocks of the Penghu Archipelago are imaged as a high-velocity zone that, with depth, becomes a relatively low-velocity zone. We interpret this low-velocity zone in the lower crust and upper mantle beneath the Penghu Archipelago to image a thermal anomaly related to the still cooling magma feeding system and the melt reservoir area that fed the flood basalts at the surface. Penghu Archipelago and its relationship to what is otherwise defined as a magma-poor rifted margin CHEN ET AL.AMBIENT TOMO ACROSS THE TAIWAN STRAIT 1782

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Seismic stratigraphy and structural analysis of the northern East China Sea Shelf Basin interpreted from multi-channel seismic reflection data and cross-section restoration

Cited by 66 publications

References 26 publications

Seismic Stratigraphic Features of the Late Miocene-Present Unconformities and Related Seismic Units, Northern Offshore Taiwan

Seismic Stratigraphic Features of the Late Miocene-Present Unconformities and Related Seismic Units, Northern Offshore Taiwan

The geological CO2 storage capacity of the Jeju Basin, offshore southern Korea, estimated using the storage efficiency

Three-dimensional ambient noise tomography across the Taiwan Strait: The structure of a magma-poor rifted margin

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