Salt Deformation, Magmatism, and Hydrocarbon Prospectivity in the Espirito Santo Basin, Offshore Brazil
Published:December 01, 2004
Joseph C. Fiduk, Eugene R. Brush, Lynn E. Anderson, Peter B. Gibbs, Mark G. Rowan, 2004. "Salt Deformation, Magmatism, and Hydrocarbon Prospectivity in the Espirito Santo Basin, Offshore Brazil", Salt Sediment Interactions and Hydrocarbon Prospectivity Concepts, Applications and Case Studies for the 21st Century, Paul J. Post, Donald L. Olson, Kevin T. Lyons, Stephen L. Palmes, Peter F. Harrison, Norman C. Rosen
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A combination of 3D pre stack and post-stack time-migrated seismic data was used to examine salt structures, stratigraphy, and hydrocarbon potential in the BES 2, 100, 200 and BMES 1, 2, and 9 blocks of the Espirito Santo Basin, Brazil. Salt structures display a proximal to distal basinward transition from salt rollers, to vertical diapirs, to diapirs with overhangs and alloch-thonous tongues, and finally to salt canopies. The original autochthonous salt thickness increases following a similar proximal to distal basinward gradient.
Deformation, driven by a combination of gravity gliding and gravity spreading, has been a relatively continuous process in...