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Baxian Sag

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Journal Article

Filling process and filling characteristic analysis of Paleogene Baxian sag in Bohai Bay basin, China

Zili Zhang, Xiaomin Zhu, Ruifeng Zhang, Sheng Fu, Jing Zhang
Published: 14 April 2020
Canadian Journal of Earth Sciences (2021) 58 (2): 188–208.
DOI: https://doi.org/10.1139/cjes-2019-0158
...Zili Zhang; Xiaomin Zhu; Ruifeng Zhang; Sheng Fu; Jing Zhang In addition to core, logging, and other previous research results, this paper determines the fault development and tectonic evolution process of the Baxian sag with the Paleogene rift stage based on 3D seismic data. The Paleogene tectonic...
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Depositional characteristics of fluvial facies in gentle slope zone of lacustrine rift basins: The third member of the Dongying Formation in the Wen’an Slope of Baxian Sag, Bohai Bay Basin, China

Zili Zhang, Xiaomin Zhu, Qi Li, Ruifeng Zhang, Jing Zhang, Yi Huang
Journal: Interpretation
Published: 06 February 2020
Interpretation (2020) 8 (2): SF37–SF55.
DOI: https://doi.org/10.1190/INT-2019-0125.1
... and channel bar deposits in the middle and downslope cross cut by faults, which are conduits for migration are likely to be the most potential reservoirs in the Bohai Bay Basin. The Baxian Sag is a secondary depression developed in the Mesozoic and Cenozoic in the Jizhong depression of the Bohai Bay Basin...
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Development of two-phase transfer zones during multiphase rifting and their influence on sedimentation in the Baxian Sag, Bohai Bay Basin, northern China

Bingshan Ma, Jiafu Qi, Jiawang Ge
Published: 03 April 2019
Geological Magazine (2019) 156 (11): 1821–1838.
DOI: https://doi.org/10.1017/S0016756819000190
...Bingshan Ma; Jiafu Qi; Jiawang Ge Abstract We investigate the formation and deformation of transfer zones and their impact on sedimentation during multiphase rifting using a three-dimensional seismic dataset in the Baxian Sag, the onshore part of the Bohai Bay Basin, northern China. The fault...
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Oligocene shallow-water lacustrine deltas of the Baxian sag of Bohai Bay Basin, eastern China: Depositional response during rift-to-thermal tectonic subsidence transition

Chuanyan Huang, Hua Wang, Hongwei Zhang, Jianping Wu, Yingjie Liu
Journal: AAPG Bulletin
Published: 01 November 2018
AAPG Bulletin (2018) 102 (11): 2389–2408.
DOI: https://doi.org/10.1306/04251816530
... 3 ) in the Baxian sag, Bohai Bay Basin, eastern China. During the Ed 3 stage, the rift–thermal basin subsidence transition stage, the paleoslope was divided into multilevel slopes by faults along the Wen’an slope with slope angles from approximately 0.19° to 2.02°. The paleogeographic conditions...
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The filling characteristics of the Paleogene in the Baxian sag (see Fig. 1...

Published: 14 April 2020
Fig. 13. The filling characteristics of the Paleogene in the Baxian sag (see Fig. 1 for the location of sections). ( a ) The basin structure and seismic sequence stratigraphic reflection characteristics in line direction of Baxian sag. ( b ) Sedimentary facies profile of over well under
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( a ) Location of the Jizhong subbasin and the Baxian sag. ( b ) Tectonic u...

Published: 14 April 2020
Fig. 1. ( a ) Location of the Jizhong subbasin and the Baxian sag. ( b ) Tectonic units of the Baxian sag. The fault system is also displayed. Black solid lines show the locations of sections used in the article (from L1–L1′ to L3–L3′). ( c ) The basin structure and seismic stratigraphic
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Basin filling style under sequence framework of Baxian sag. The order class...

Published: 14 April 2020
Fig. 2. Basin filling style under sequence framework of Baxian sag. The order classification of sequences is based on the episodic tectonic activity, unconformities, changes in lake level, assemblage biozones, climate, and detailed work of this paper. [Colour online.]
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The pattern of the Palaeogene filling process in the Baxian sag (see Fig. ...

Published: 14 April 2020
Fig. 14. The pattern of the Palaeogene filling process in the Baxian sag (see Fig. 1 for the location of sections). ( a ) Wide gentle slope style, alluvial fan-river, and river-flood plain depositional system. Corresponding initial fault phase I-1 (SQ1), taking SQ1 as an example. ( b ) Flexure
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Fluvial model of the Wen’an Slope in the Baxian Sag. (A and B) The section ...

Published: 06 February 2020
Figure 16. Fluvial model of the Wen’an Slope in the Baxian Sag. (A and B) The section along the source direction of the fluvial model in the Wen’an Slope of the Ed3. (a-e) Reference location of sample points, thickness, and lithologic in the vertical of section A to B in the fluvial model.
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(a) Location of the Wen’an Slope in the Baxian Sag, Bohai Bay Basin. (b) Th...

Published: 06 February 2020
Figure 1. (a) Location of the Wen’an Slope in the Baxian Sag, Bohai Bay Basin. (b) The structure profile of Paleogene in the Baxian Sag. (c) Palaeogeomorphological map of the Wen’an Slope, before Ed3.
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Simplified structural map of the Baxian Sag and its adjacent areas showing ...

Published: 03 April 2019
Fig. 2. Simplified structural map of the Baxian Sag and its adjacent areas showing the main faults and the main structural units (based on the top basement; refer to the pre-Cenozoic). The major depositional units are blue (the Langgu, Baxian, Maobei, Renxi and Maxi sub-sags); other units include
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Stratigraphy and depositional environments in the Baxian Sag (modified from...

Published: 03 April 2019
Fig. 3. Stratigraphy and depositional environments in the Baxian Sag (modified from Zhao et al. 2015 ). E k – Kongdian Formation; E s – Shahejie Formation; E d – Dongying Formation; N g – Guantao Formation; N m – Minghuazhen Formation; Q p – Pingyuan Formation; Mz – Mesozoic; Pz
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Depth structure map of the bottom of E d in the Baxian Sag and northern Ra...

Published: 03 April 2019
Fig. 8. Depth structure map of the bottom of E d in the Baxian Sag and northern Raoyang Sag (based on the T3 reflection). Top left, formation model of the Oligocene transfer zone, which indicates the relationship of the fault systems locations. MXF – Maxi Fault; NDF – Niudong Fault; RQF – Renqiu
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Tectonic subsidence and thermal subsidence of the Baxian sag in the Bohai B...

Published: 01 November 2018
Figure 2. Tectonic subsidence and thermal subsidence of the Baxian sag in the Bohai Bay Basin, eastern China. The well location is in Figure 1B : W0. The first member of the Eocene Shahejie Formation (Es 1 ) and the Oligocene Dongying Formation (Ed) stage is the rift II, which is the rift
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Generalized stratigraphy of the Baxian sag (modified from Zhai et al., 198...

Published: 01 November 2018
Figure 3. Generalized stratigraphy of the Baxian sag (modified from Zhai et al., 1988 ; Ji et al., 2009 ; Huang et al., 2015 ). The third member of the Oligocene Dongying Formation (Form.) (Ed 3 ) is the studied unit of this paper (the pink area). Ed = the Oligocene Dongying Form.; Ed 1
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Simplified structural map illustrating the regional setting of the Baxian S...

Published: 03 April 2019
Fig. 1. Simplified structural map illustrating the regional setting of the Baxian Sag. (a) Regional tectonic framework and location of the Bohai Bay Basin (BBB) (modified from Suo et al . 2014 ). (b) Tectonic map showing the Cenozoic subdivision of the BBB, including depressions and uplifts
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Spatial distribution of mudstone color of the third member of the Oligocene...

Published: 01 November 2018
Figure 7. Spatial distribution of mudstone color of the third member of the Oligocene Dongying Formation in Baxian sag. The locations of 176 boreholes are indicated by the open circles. The distribution of mudstone color can be divided into three areas in the Baxian sag.
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Formation models depicting the topography and basin architecture of the Bax...

Published: 03 April 2019
Fig. 11. Formation models depicting the topography and basin architecture of the Baxian and Raoyang sags, and locations of the two-phase transfer zones during (a) Eocene and (b) Oligocene time. The full extent of the models is based on Figure 2 . BXS – Baxian Sag; MXF – Maxi Fault; NDF – Niudong
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Basin filling characteristic under the stratigraphic framework of the Paleo...

Published: 06 February 2020
Figure 2. Basin filling characteristic under the stratigraphic framework of the Paleogene in the Baxian Sag.
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Sedimentary facies analysis of W93 in the Wen’an Slope of the Ed3 Baxian Sa...

Published: 06 February 2020
Figure 5. Sedimentary facies analysis of W93 in the Wen’an Slope of the Ed3 Baxian Sag.