| NUMERICAL 3D RESTORATION OF EOCENE FEATURES ACROSS THE CENTRAL PYRENEES (CAMPO-AINSA AREA) | ||
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BABAULT, J.1, URREIZTIETA, M. de2, ROUBY, D.1, REMACHA, E.3, OMS, O.3, and EICHENSEER, H.2, (1) Géosciences Rennes, CNRS, Campus de Beaulieu 35042 Rennes, Cedex, France, MARC.Urreiztieta@elf-p.fr, (2) ELF Exploration & Production, CSTJF Avenue Larribau, 64018 Pau, Cedex, France, MARC.Urreiztieta@elf-p.fr, (3) Dpt. de Geologia (Fac. Ciències), Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain The construction and restoration of the 3D geometrical model of the studied area, between the Campo and Ainsa (Central Pyrenees), provided (1) a validation of the geometrical consistency of the interpretation of the seismic dataset, (2) a quantification the finite displacement and rotation fields. The numerical results are consistent with available paleomagnetic data. From this 3D numerical study, we propose a new structural framework for the area. We suggest that most of the regional shortening (80%) and differential rotations between the Mediano anticline and Foradada area (20°) is accommodated by Los Molinos thrust. The latter is showing a right lateral strike slip component of at least 7 km +/-2 and corresponds, to a lateral ramp of the South-Central Pyrenean Unit (sensu Seguret, 1972). | ||
| Cordilleran Section - 97th Annual Meeting, and Pacific Section, American Association of Petroleum Geologists (April 9-11, 2001) | ||
| Session No. 11 3D Visualization and Geologic Modeling Sheraton Universal: Studio IV 1:40 PM-4:30 PM, Monday, April 9, 2001 | ||