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The AAPG/Datapages Combined Publications Database
AAPG Bulletin
Abstract
AAPG Bulletin, V.
2008. The American Association of Petroleum Geologists. All rights reserved.
DOI:10.1306/07020808020
Major structural elements of the Miocene section, Burgos Basin, northeastern Mexico
J. Javier Hernandez-Mendoza,1 Michael V. DeAngelo,2 Tim F. Wawrzyniec,3 Tucker F. Hentz4
1Pemex Exploracion y Produccion, Casa B Int. Campo Pemex, Col. Medias Lomas, Poza Rica, Veracruz, CP 93387, Mexico; [email protected]
2Bureau of Economic Geology, John A. and Katherine G. Jackson School of Geosciences, University of Texas at Austin, Austin, Texas 78713-8924; [email protected]
3Department of Earth and Planetary Sciences, University of New Mexico, Northrop Hall, Room 141, MSC 03 2040, Albuquerque, New Mexico 87131-0001; [email protected]
4Bureau of Economic Geology, John A. and Katherine G. Jackson School of Geosciences, University of Texas at Austin, Austin, Texas 78713-8924; [email protected]
ABSTRACT
Major Miocene structural elements of the Burgos Basin include a regionwide detachment system that connects extensional fault systems throughout the basin with an active diapir belt downdip, a regionwide pattern of downthrown extensional rollover folds, pervasive secondary faults, and salt and shale diapiric masses in the eastern part of the basin. An interpretation of two-dimensional seismic data suggests that the Burgos Basin Miocene section can be divided into four structural domains: expanded zone, Lamprea trend, Corsair-Wanda trend, and diapir belt. The westernmost unexpanded zone is the footwall of the expanded system part of the basin, which overlies a domain of Oligocene extension. Remaining trends represent an extensional accommodation related to the basinward migration of mobile salt and shale, which has produced a relatively uniform structural style in the Miocene section. The structural style observed in the Burgos Basin appears to define a transitional zone between gravitational collapse in the offshore Laguna Madre-Tuxpan shelf to the south and salt-related raft tectonics of the south Texas Gulf Coast.
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