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The AAPG/Datapages Combined Publications Database
AAPG Special Volumes
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Seismic refraction measurements indicate that the transition from rifted continental crust to oceanic crust takes place at a water depth of over 3000 m northwest of Cuba between the Florida and Campeche escarpments. Along the eastern flank of the Mississippi Embayment, the transition occurs at about 2500 m deep and on the embayment itself inboard of the coast. Off south Texas the boundary between the rifted continental crust and oceanic crust is near the shelf's edge, off Mexico the boundary is on the continental slope, and off Campeche Bank the boundary is about 100 km northwest of Campeche Escarpment. In the northern Gulf an oceanic crustal high may lie beneath the upper continental slope. This high served as a foundation for a Mesozoic reef. Maximum sediment ac umulation took place along the contact between the rifted continental crust and oceanic crust.
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