Jianhua Feng, R. T. Buffler, M. A. Kominz; Laramide orogenic influence on late Mesozoic-Cenozoic subsidence history, western deep Gulf of Mexico basin. Geology ; 22 (4): 359–362. doi: https://doi.org/10.1130/0091-7613(1994)022<0359:LOIOLM>2.3.CO;2
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The deep part of the Gulf of Mexico basin, which is underlain by oceanic crust, has generally been regarded as a tectonically stable part of the basin since its formation by sea-floor spreading and thermal subsidence during the Late Jurassic-Early Cretaceous. Subsequent subsidence is believed to have been caused mainly by thermal cooling and sediment loading. A backstripping study, however, has revealed a tectonic event in the western deep basin with tectonic-loading effect today. One possible explanation is Laramide fold-thrust loading along the western flank of the basin during ∼66-40 Ma.