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The Mississippi embayment represents a break in what was once a single, continuous mountain range comprising the modern Appalachian range, which runs roughly on a north–south axis along the Atlantic coast of the United States, and the Ouachita range, which runs on a rough east–west axis west of the Mississippi River.
The Bermuda hotspot is a supposed midplate hotspot swell in the Atlantic Ocean 500–1,000 km (310–620 mi) southeast of Bermuda, [1] proposed to explain the extinct volcanoes of the Bermuda Rise as well as the Mississippi Embayment [2] [3] [4] and the Sabine Uplift southwest of the Mississippi Embayment.
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 ...
A record of this rifting event remains as an indelible mark on the landscape called Mississippi Embayment. It is this embayment that ripped the dramatic gap between the southern Appalachians and the Ouachita-Ozark Highlands. [19] Weathering and erosion prevailed, and the mountains began to wear away. [18]
The term "Mississippi embayment" is sometimes used more narrowly to refer to its section on the western side of the river, running through eastern Arkansas, southeastern Missouri, westernmost Tennessee (east side of the River), westernmost Kentucky (east side of the River) and southernmost Illinois, and excluding northwest Mississippi where the ...
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 the film "Origin," actress Aunjanue Ellis, who was raised in Mississippi, portrays a writer seeking the roots of racism.
The western margin of the basin lies beneath the sediments of the Mississippi embayment where it is contiguous with the Arkoma Basin of northern Arkansas and northeastern Oklahoma. [4] The region existed as a quiescent continental shelf environment through the early Paleozoic from the Cambrian through the Mississippian with the deposition of ...