The Sigsbee Escarpment is a major bathymetric feature of the Gulf of Mexico, extending for about . It separates the lower continental slope of the northern gulf from the abyssal plain of the Sigsbee Deep and has up to of relief across it. It has formed as a result of salt tectonics, due to the effects of loading of a thick layer of Jurassic halite (Louann Salt) by Upper Jurassic to Cenozoic sedimentary rocks.
See also List of escarpments
References
External links Video showing more information about the escarpment and its context