Animation showing fault surfaces (various colors) and the salt layer (gray). Grabens form curved, relay, parallel or branching patterns, but their mean trend is roughly perpendicular to the direction of seaward extension and progradation. Fault patterns combine with salt walls to form complex partial barriers that could influence the flow of hydrocarbons. The advantage of using 3-D visualization to help grasping of the geometry of these faults and their relations to the salt structures is evident.
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