Depositional elements associated with a basin floor channel-levee system: case study from the Gulf of Mexico |
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| Institution: | 1. Earth and Environmental Sciences, University of New Orleans, 2000 Lakeshore Drive, New Orleans, LA 70148, USA;2. Department of Geography and Geology, Western Kentucky University, Bowling Green, KY 42101, USA;3. Stone Energy, 1100 Poydras St., Suite 1050, New Orleans, LA 70163, USA;1. Petrochina Hangzhou Research Institute of Geology, Hangzhou 310023, China;2. China National Oil and Gas Exploration and Development Company, Beijing 100031, China;3. Department of Earth and Environmental Sciences, Dalhousie University, Halifax, NS B3H 4R2, Canada;4. Function Laboratory of Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China;5. Qingdao Institute of Marine Geology, China Geological Survey, Qingdao 266071, China |
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| Abstract: | The seismic geomorphology and seismic stratigraphy of a deep-marine channel-levee system is described. A moderate to high-sinuosity channel trending southeastward across the northeastern Gulf of Mexico basin floor, and associated depositional elements are well imaged using conventional 3D multi-channel seismic reflection data. Depositional elements described include channels, associated levees, a channel belt, avulsion channels, levee crevasses, frontal splays, sediment waves, and mass transport complexes. Distinguishing morphologic and stratigraphic characteristics of each depositional element are discussed. These deposits are presumed to be associated with repeated deep-marine turbidity flows and other mass transport processes. |
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