
Key seismic sections were published by Swiecicki and Maynard (2009):
Seismic expression of rifting events (Swiecicki & Maynard, 2009) shows 2 major rifting episodes:
1) Oligocene- Early Miocene rift system (Oligocene North-South extension)
2) Middle Miocene - Pleistocene rift system (Middle Miocene NW-SE extension)
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Regional cross section
Lan Tay and Hoa Dao structure complex on a NW-SE regional seismic line by Restrepo-Pace (2007).
1st Rift system
Tien Cau syn-rift and Cau post rift as indicated on seismic.
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2nd Post rift deposits
Seismic details on Dua Formation, Early Miocene in age
Mang Cau Syn-Rift 2
Significant thickening towards Hoa Dao high is observed in this seismic section.
Nam Con Son Post Rift 2.
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Bien Dong - Post rift sag phase
Progradational sequence on top of bathyal shales (transparant unit)
Bien Dong - Post rift sag phase
Progradational sequence on top of bathyal shales (transparant unit)
Time slice showing the channel complex.
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Eearly Pliocene (LBD) Channel System
Time slide and seismic section in both strike and dip directions.
Upper Bien Dong progradational system
Petronas Tower as a scale for the canyon system on the left.
Comparing seismic sections and time slice.
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Reference:
Swiecicki, T. and Maynard, K., 2009, Geology and Sequence Stratigraphy of Block 06/94, Nam Con Son Basin, Offshore Vietnam, SEAPEX
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