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Provenance of Upper Miocene sediments in the Yinggehai and …

The Yinggehai and Qiongdongnan basins in the northwestern South China Sea preserve a large volume of Cenozoic sediments. However, their sources are still barely understood. In this paper, we combine rare earth element (BEE) geochemistry, heavy mineral analysis and detrital zircon U-Pb geochronology for samples from potential source areas and basin …

Yinggehai Basin Gas Exploration: Comparison with Jiyang …

Compared with the oil and gas-rich Jiyang depression, Yinggehai basin developed the similar geological background that is favorable to the formation of funnel-shaped …

Spatial distribution and geochemistry of the nearshore gas seepages and their implications to natural gas migration in the Yinggehai …

The Yinggehai Basin is a transform-extensional basin with a northwest trend, and is characterised by a rapid sediment deposition rate of an average of 1.2 mm/year and a very high geothermal ...

World''s 1st large, ultra-shallow gas field in ultra-deep waters has …

The company has estimated that the OGIP of the Yinggehai, Qiongdongnan and Zhujiangkou basins in the South China Sea is more than 1 trillion cubic meters. This …

(PDF) Understanding sedimentation in the Song Hong–Yinggehai …

Understanding sedimentation in the Song Hong–Yinggehai Basin, South China Sea . × Close Log In Log in with Facebook Log in with Google or Email Password Remember me on this computer or reset password Enter the email address you signed up with and ...

Geochemical characteristics and provenance of the detrital …

Hainan Island Source (HIS), Red River Source (RRS), and Central Vietnam Source (CVS) are three potential sources of detrital sediment for the Yinggehai and Qiongdongnan …

Yinggehai basin

The Yinggehai-Song Hong Basin is located on the northwest of the South China Sea, between Hainan Island and the coast of northern Vietnam. [1] [2] It is a large extensional …

Provenance of Upper Miocene to Quaternary sediments in the Yinggehai …

The Yinggehai-Song Hong (Y-SH) Basin, located on the northwestern shelf of the South China Sea, is one of the world''s largest pull-apart basins. In order to identify the provenance of the Upper Miocene to Quaternary sediments of the basin, ten sediment samples were collected from drill cores in the Dongfang gas field.

Geological Structure and Dynamics of the Yinggehai Active Rift …

The Yinggehai Basin is a unique NNW-trending petroliferous basin in the northwestern South China Sea. This paper mainly utilized stratigraphic, tectonic and …

Experimental evidence for the dynamics of the formation of the Yinggehai basin…

The NW-oriented Yinggehai basin lies on the seaward extension of the Red River Fault Zone (RRFZ) (Fig. 1) (1988) believed that Yinggehai basin developed along NW Riedel shear plane under NWW–SEE transtensional stress field. Zhang and Hao (1997), Gong and Li (1997) and Li et al. (1998) proposed that the Yinggehai basin was a dextral pull-apart …

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Seismic geomorphology applied to sediment dispersal patterns and an analysis of the stages of channel-lobe systems in the Yinggehai …

Section snippets Geological background The Yinggehai Basin is a Cenozoic petroliferous basin that developed in the western region of the continental shelf of the northern South China Sea (Fig. 1a). The basin has an approximate area of 12.7 × 10 4 km 2, which is NNW-oriented with a spindle-like shape distribution (Wang et al., 2015; Dai et al., 2019a, Dai et …

Geological Structure and Dynamics of the Yinggehai Active Rift …

The Yinggehai Basin is a unique NNW-trending petroliferous basin in the northwestern South China Sea. This paper mainly utilized stratigraphic, tectonic and seismic data by characterizing the geological structures and conducting the geo-mechanical analysis to study the formation, evolution and dynamics of the Yinggehai Basin. The study indicates …

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Flow dynamics and sedimentation at a turbidity channel confluence in the Yinggehai …

During the Late Miocene, a sinuous submarine channel with sediment processes was discovered in the Yinggehai Basin, northwestern South China Sea. However, process interpretations of the factors that influence the stacking patterns, distribution, and morphology of these sinuous channel deposits in this region are not well understood.

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Frontiers | Sandbox Modeling of Transrotational Tectonics With Changeable Poles: Implications for the Yinggehai …

FIGURE 1.(A) Tectonic map showing the tectonic units and faults in the Yinggehai Basin. Rectangular frame in the top right corner large-scale map is our study area. The four red dots represent four rotational poles (P1, P2, P3, and P4); (B) seismic profile of the Yinggehai Basin (modified after Lei et al., 2015).

Structure and sediment budget of Yinggehai–Song Hong basin, South China Sea: Implications for Cenozoic tectonics and river basin reorganization ...

The Yinggehai–Song Hong basin formed at the southeastern termination of the largest Tibetan strike-slip lineaments, the Red River fault zone, and is the principal repository of material eroded from the Red River drainage. To the north it is separated from the (Fig. 1 ...

Provenance of Upper Miocene sediments in the Yinggehai and Qiongdongnan basins, northwestern South China …

The Yinggehai-Song Hong Basin in the Gulf of Tonkin ( Fig. 1) has so far provided the most detailed provenance data from offshore Vietnam (e.g., Wang et al. 2014Wang et al., 2019 Cao et al. 2015 ...

The dynamics of Yinggehai basin formation and its tectonic significance

From about 30 Ma, the northwest of the Yinggehai basin began to inverse and nearly NS-trending Lingao uplift formed (Zhong et al., 2003).According to the southward and eastward ...

The sedimentary and tectonic evolution of the Yinggehai–Song …

The Yinggehai basin is the principal repository of material eroded in the Red River drainage and should be sensitive to changes in erosion rate in eastern Tibet, as well as to the loss …

Tectonic Stratigraphic Framework of the Yinggehai‐Qiongdongnan Basins and Its Implication for Tectonics Province Division …

The Yinggehai and Qiongdongnan basins together form one of the largest Cenozoic sedimentary basins in SE Asia. Here we present a prominent regional tectonic revolution boundary T70 in the Paleogene filling sequence based …

Thermal Regime, Interreservoir Compositional Heterogeneities, …

The Dongfang gas field, located in a diapir structure zone, is the largest gas field found in the Yinggehai Basin. A strong thermal anomaly caused by hydrothermal fluid flows occurs …

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ABNORMAL ORGANIC‐MATTER MATURATION IN THE YINGGEHAI BASIN, SOUTH CHINA SEA…

Three superimposed pressure systems are present in the Yinggehai Basin, South China Sea. A number of commercial, thermogenic gas accumulations have been found in an area in which shale diapirs occur. Because the reservoir intervals are shallow and very young, they must have filled with gas rapidly.

A …

. : 2021-06-30. : 2021-08-13. Generation mechanism of overpressure and its implication for natural gas accumulation in Miocene reservoir in …

A distinctive hydrocarbon basin—Yinggehai Basin, South China Sea

Journal of Southeast Asian Earth Sciences, Vol. 6, No. 2, pp. 69-74, 1991 0743-9547/91 $3.00 + 0.00 Printed in Great Britain Pergamon Press plc A distinctive hydrocarbon basin--Yinggehai Basin, South China Sea ZHANG QIMING and ZHANG QUANXING Nanhai ...

Characteristics of mud diapirs and mud volcanoes and their …

Mud diapir and mud volcano have the same formation mechanism and similar development and evolution characteristics, but different geological features and forms. In this study, the development and characteristics of a mud diapir in Yinggehai Basin (northwestern South China Sea) and a mud volcano in Southwest Taiwan Basin (northeastern South China …

Expulsion process of overpressure fluids indicated by vertical venting structures in the Dongfang area of the Yinggehai …

The Yinggehai Basin is a Cenozoic high-temperature and high-pressure basin where diapirism and thermal fluid activities were so strong that the deeply-sourced natural gas accumulated in the ...

Sedimentary characteristics and model of gravity flow depositional system for the first member of upper Miocene Huangliu Formation …

The gravity flow deposit were mainly developed in the lowstand systems tract (LST) of the first member of Upper Miocene Huangliu Formation (Ehl 1) in Dongfang area, Yinggehai Basin, has become a valuable target for gas exploration and production. The gravity flow sedimentary characteristics of lithofacies associations, sedimentary texture, seismic …