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The embayment is a topographically low-lying basin that is filled with Cretaceous to recent sediments. The northern end of the embayment appears as an anomalous break in regional geologic structure with Paleozoic sedimentary rocks both to the east in Kentucky and Tennessee and to the west in Missouri and Arkansas. The current sedimentary basin ...
Crowley's Ridge (also Crowleys Ridge) is a geological formation that rises 250 to 550 feet (170 m) above the alluvial plain of the Mississippi embayment in a 150-mile (240 km) line from southeastern Missouri to the Mississippi River near Helena, Arkansas.
In Mississippi, the Smackover Limestone covered over earlier evaporite deposits. A complex stratigraphic sequence formed during the Cretaceous , with the reef limestones, anhydrite and sandstones of the Rodessa Formation, Mooringsport Formation, Paluxy Formation, Gordo Formation and Coker Formation, overlain by the Eutaw Group, Austin Chalk ...
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The Wilcox Formation is a sand formation that is part of the Embayment Megagroup. It runs from southern Illinois to the State of Mississippi. It thickens moving southward, starting at about ~20' thick in outcrops in Illinois to 250' thick in Mississippi. [2]
Mississippi embayment Mississippi River-Gulf Outlet Canal The Mississippi River Alluvial Plain is an alluvial plain created by the Mississippi River on which lie parts of seven U.S. states , from southern Louisiana to southern Illinois (Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, Louisiana).
The Midway Group is a geologic group in the Mississippi Embayment of Tennessee, Arkansas, Mississippi, Louisiana, Texas and Alabama. It preserves fossils dated to the Paleogene period . See also
The Demopolis Chalk is a geological formation in North America, within the U.S. states of Alabama, Mississippi, and Tennessee.The chalk was formed by pelagic sediments deposited along the eastern edge of the Mississippi embayment during the middle Campanian age of the Late Cretaceous. [1]