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3D seismic interpretation of the Messinian Unconformity in the Valencia Basin, Spain

By
Jose Frey Martinez
Jose Frey Martinez
1
3DLab, School of Earth, Ocean and Planetary Sciences, Cardiff University
,
Main Building, Park Place, Cardiff C 10 3 YE, UK
(e-mail: jose@ocean.cf.ac.uk)
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Joseph A. Cartwright
Joseph A. Cartwright
1
3DLab, School of Earth, Ocean and Planetary Sciences, Cardiff University
,
Main Building, Park Place, Cardiff C 10 3 YE, UK
(e-mail: jose@ocean.cf.ac.uk)
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Peter M. Burgess
Peter M. Burgess
1
3DLab, School of Earth, Ocean and Planetary Sciences, Cardiff University
,
Main Building, Park Place, Cardiff C 10 3 YE, UK
(e-mail: jose@ocean.cf.ac.uk)
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Jose Vicente Bravo
Jose Vicente Bravo
2
Repsol-YPF. Paseo de la Castellana 280
,
4°, 28046, Madrid, Spain
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Published:
January 01, 2004

Abstract

This paper documents the complex three-dimensional geometry of the Messinian Unconformity in the Tarraco concession area on the Ebro Shelf, based on the Tortuga 3D seismic survey. A detailed map of the Messinian Unconformity Surface has been constructed in the survey area, and shows a dendritic drainage pattern with valleys that are around 1 km wide, and 6-7 km in length. The overall morphology of the surface is strongly reminiscent of badlands topography, from semi-arid zone erosion of sandstone-shale sequences. The depth of incision of the valleys into the pre-Messinian clastic sequences is around 400 m. The results obtained confirm previous models of sub-aerial exposure creating erosion of the pre-Messinian shelf and slope sequences that generated the spectacular Messinian Unconformity.

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Contents

Geological Society, London, Memoirs

3D Seismic Technology: Application to the Exploration of Sedimentary Basins

Richard J. Davies
Richard J. Davies
Cardiff University, UK
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Joseph A. Cartwright
Joseph A. Cartwright
Cardiff University, UK
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Simon A. Stewart
Simon A. Stewart
BP, Azerbaijan
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Mark Lappin
Mark Lappin
ExxonMobil Exploration Company, USA
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John R. Underhill
John R. Underhill
The University of Edinburgh, UK
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Geological Society of London
Volume
29
ISBN electronic:
9781862394049
Publication date:
January 01, 2004

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