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{{publication
| image = exploring-for-oil-and-gas-traps.png
| width = 120px
| series = Treatise in Petroleum Geology
| title = Exploring for Oil and Gas Traps
| part = Critical elements of the petroleum system
| chapter = Sedimentary basin analysis
| frompg = 4-1
| topg = 4-123
| author = John M. Armentrout
| link = http://archives.datapages.com/data/specpubs/beaumont/ch04/ch04.htm
| pdf =
| store = http://store.aapg.org/detail.aspx?id=545
| isbn = 0-89181-602-X
}}
==Discussion==

The GOM basin includes strata beneath the present-day Gulf of Mexico and extends onshore beneath the Gulf coastal plain of Mexico and the United States. Sediment is supplied primarily by fluvial systems draining the ancestral Mississippi River system and smaller river systems draining the Rocky, Ouachita, and Appalachian mountain ranges. Lesser amounts of carbonate sediments are produced locally by biochemical processes. Critical to the understanding of the GOM basin history and the associated [[petroleum system]]s of the northern Gulf of Mexico is the interaction of the Cretaceous-Holocene Mississippi drainage basin and thick salt deposited during the Jurassic.

The figure below shows the geographic distribution of the Neogene Mississippi River drainage basin and distribution of the primary fluvial input systems (arrows). It also shows the interpreted limits of thick Jurassic salt (>1.5 km). The geographic shifts of primary fluvial input have resulted in depocenters of different ages across the GOM Tertiary basin.

[[file:sedimentary-basin-analysis_fig4-2.png|thumb|{{figure number|4-2}}Modified after Winker and Buffler.<ref name=ch04r116>Winker, C., D., Buffler, R., T., 1988, Paleogeographic evolution of the early deep-water Gulf of Mexico and its margins, Jurassic to middle Cretaceous (Comanchean): AAPG Bulletin, vol. 72, p. 318–346.</ref>]]

==See also==
* [[Defining the basin framework]]
* [[How to define the framework of a basin]]
* [[Example: mapping sediment thickness and field location]]
* [[Example: mapping hydrocarbon types]]

==References==
{{reflist}}

==External links==
{{search}}
* [http://archives.datapages.com/data/specpubs/beaumont/ch04/ch04.htm Original content in Datapages]
* [http://store.aapg.org/detail.aspx?id=545 Find the book in the AAPG Store]

[[Category:Critical elements of the petroleum system]]
[[Category:Sedimentary basin analysis]]

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