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Review Article

JPAS. 2022; 22(2): 367-379


Seismic Expression of Submarine Channels and Seafloor Morphology, Deepwater Western Niger Delta.

Lucky Osaro lmagbe,Solomon Nehemiah Yusuf,Yaba Daniel Douglas,Ajol A Fube.




Abstract

In this study, analyses of a high-resolution, 3D seismic reflection dataset covering an area of 950km2 was used to characterise and understand interactions between submarine channels and seafloor morphology in the deep-water western Niger Delta. The seafloor bathymetry of the study area revealed the presence of submarine channels, fault scars, pockmarks, and a shale-cored anticlinal fold structure. In terms of geometry, the channels were crescent-shaped, with low-angle gentle dipping walls and characterised by moderate to high-amplitude, discontinuous to continuous seismic reflections. The channels were observed to follow topographic lows, trending downflow, NW-SE of the study area. A major low sinuosity (

Key words: Niger Delta, Seafloor morphology; Submarine channels, 3D Seismic.






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