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Abstract

Roman Ramos, J. R., M. A. Cruz Mercado, L. E. Salomon Mora, C. Rosas Lara, F. Sanchez Ferrer, E. Biegert, and E. Bartsch, 2009, Continental-oceanic boundary deep structure in a shear margin: Western main transform, offshore Veracruz, Southern Previous HitGulfNext Hit of Previous HitMexicoNext Hit, in C. Bartolini and J. R. Roman Ramos, eds., Petroleum systems in the southern Previous HitGulfNext Hit of Previous HitMexicoNext Hit: AAPG Memoir 90, p. 409420.

DOI:10.1306/13191094M903416

Copyright copy2009 by The American Association of Petroleum Geologists.

Continental-Oceanic Boundary Deep Structure in a Shear Margin: Western Main Transform, Offshore Veracruz, Southern Previous HitGulfNext Hit of Previous HitMexicoNext Hit

Juan R. Roman Ramos,1 Miguel A. Cruz Mercado,2 Luis E. Salomon Mora,3 Carlos Rosas Lara4 Fernando Sanchez Ferrer,5 Ed Biegert,6 Erik Bartsch,7

1Petroleos Mexicanos (PEMEX), Exploracion y Produccion, Previous HitMexicoNext Hit
2Petroleos Mexicanos (PEMEX), Exploracion y Produccion, Previous HitMexicoNext Hit
3Petroleos Mexicanos (PEMEX), Exploracion y Produccion, Previous HitMexicoNext Hit
4Petroleos Mexicanos (PEMEX), Exploracion y Produccion, Previous HitMexicoTop
5Shell International EampP, Houston, U.S.A.
6Shell International EampP, Houston, U.S.A.
7Shell International EampP, Houston, U.S.A.

ABSTRACT

Gravity, magnetic, and heat-flow data suggest that the western main transform shear margin is associated with a transform deformation zone having considerable lateral extent. Inboard of this zone lays a continental crust, whereas outboard to the east of the large gravity anomaly associated with this structure lays an oceanic crust. The basement complex in the deformation zone is likely to be a heavily modified continental crust intruded with magnetic and higher density crustal material.

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