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The stratigraphic and tectonic history of the GOM basin is strongly affected by salt tectonics. As a consequence of differential loading of salt by sediment sourced from the North American craton (see [[Great American carbonate bank]], the distribution of salt-cored structures is oldest in the onshore northern margin of the basin where Late Cretaceous and early Cenozoic [[Depocenter#Sediment_supply_rate_and_facies_patterns|progradation]] resulted in salt-structure growth.

The stratigraphic and tectonic history of the GOM basin is strongly affected by salt tectonics. As a consequence of differential loading of salt by sediment sourced from the North American craton (see [[Great American carbonate bank]], the distribution of salt-cored structures is oldest in the onshore northern margin of the basin where Late Cretaceous and early [[Cenozoic]] [[Depocenter#Sediment_supply_rate_and_facies_patterns|progradation]] resulted in salt-structure growth.

Offshore beneath GOM waters, evacuation of salt structures is oldest in the north and is progressively younger toward the south. However, there are Late Jurassic and Early Cretaceous salt-cored structures along the Sigsbee Escarpment. Pliocene and Pleistocene depositional loading has displaced salt basinward and differentially loaded detached salt sills into salt-cored massifs and salt-cored diapirs.

Offshore beneath GOM waters, evacuation of salt structures is oldest in the north and is progressively younger toward the south. However, there are Late Jurassic and Early Cretaceous salt-cored structures along the Sigsbee Escarpment. Pliocene and Pleistocene depositional loading has displaced salt basinward and differentially loaded detached salt sills into salt-cored massifs and salt-cored diapirs.