Journal article
Modern sedimentation in the wave-dominated delta beach bar sedimentary system of the Fenghe River in Jiaonan, Qingdao (Publication with Expression of Concern)
Arabian journal of geosciences, v 13(22), 1210
01 Nov 2020
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Abstract
Detailed analysis of a typical wave-dominated delta beach bar sedimentary system of the Fenghe River, in Qingdao, China, concentrated on identifying the sedimentological characteristics of wave-dominated delta beach bar sedimentary system. The aim of the study was to establish a sedimentological facies model for similar deposits. Using well-established sedimentological criteria for recognizing the characteristic of wave-dominated delta beach bar. This modern sedimentary system mainly hosts front subfacies, as well as sedimentary microfacies like underwater snake-like channel, mouth bar, distal bar, and sheet sand. From the river entrance to the mouth bar, more than 80% of the area is occupied by sheet sand, which is distributed widely across a flat terrain. The sheet sand is dominated by wave-built sedimentary structures, plus a few current-formed sedimentary structures. The sheet sand can be divided into an underwater shoal parallel to the coastline and a stable crescent-shaped above-water bar. The underwater shoal is a long ellipse in the plan and an asymmetric shape that is gentle seawards and steep landwards in the vertical section. The sedimentary structures are dominated by wave-formed ripple marks and cross bedding, overlaid with swash bedding. The above-water bar is composed of two bars formed at different stages. The sedimentary structures are dominated by swash bedding, low-angle wedge bedding, and wind-formed sedimentary structure. Both underwater shoal and the above-water bar are resulted from the transformation and redistribution of the sediments on the delta front sheet sand by waves. The two parts reflect a sedimentary association of genetic significance in the sedimentary environment of wave-dominated delta front.
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Details
- Title
- Modern sedimentation in the wave-dominated delta beach bar sedimentary system of the Fenghe River in Jiaonan, Qingdao (Publication with Expression of Concern)
- Creators
- Longwei Qiu - China University of Petroleum, East ChinaYelei Wang - China University of Petroleum, East ChinaYongjie Hu - Institute of Geology and GeophysicsHonghao Zhao - China University of Petroleum, East ChinaLijiong Chen - Sichuan Manqiao Technol CO LTD, Chengdu 610041, Peoples R China
- Publication Details
- Arabian journal of geosciences, v 13(22), 1210
- Publisher
- Springer Nature
- Number of pages
- 11
- Grant note
- 201310425001 / College Students Innovation and Entrepreneurship Training Program 2011ZX05009-002 / "Reservoir Geology and Evaluation in Key New Field of Oil and Gas Exploration" under the China's National Major Program of Oil and Gas during 12th Five-Year Plan Period U1262203 / National Natural Science Foundation of China; National Natural Science Foundation of China (NSFC)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000593871200007
- Scopus ID
- 2-s2.0-85095832771
- Other Identifier
- 991021931900904721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Geosciences, Multidisciplinary