C008 Thrust-belt velocity-model interpretation for 3D anisotropic depth migration R. VESTRUM 1 D. MACKIE 2 and A. SCHOEPP 1 Abstract 1 In complex-structure land environments like in the foothills of a major thrust belt velocity-model building is highly interpretive and relies on structural-geology constraints. With steeply dipping anisotropic clastics outcropping at surface an accurate description of the bedding dip and dip azimuth in the subsurface is required if the depth migration is to accurately correct for imaging and position problems on structures below these anisotropic strata. The case history presented here follows the process of interpreting a 3D anisotropic velocity


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