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The Chattanooga Shale is a geological formation in Alabama, Arkansas, Georgia, Kentucky, Missouri and Tennessee. It preserves conodont fossils dating to the Devonian period. [ 1 ] It occurs mostly as a subsurface geologic formation composed of layers of shale .
A more detailed map [1] produced by the National Park Service shows the starting point in central Missouri, further east of the Kansas City Metropolitan Area than is shown in this map. The Osage Indians and other tribes traveled among a variety of routes later named "Osage Trails" by European settlers; the famous Route 66 through southern ...
Major physiographic provinces of Missouri Geologic map of Missouri Missouri , a state near the geographical center of the United States , has three distinct physiographic divisions : a north-western upland plain or prairie region part of the Interior Plains' Central Lowland ( areas Osage Plain 12f and Dissected Till Plains 12e ) known as the ...
The first scientific reports of Alabama's geology were made during field studies by R. T. Brumby in the late 1830s and Sir Charles Lyell in the early 1840s. Michael Tuomey , appointed state geologist in 1847, completed a Geological Map of Alabama and in 1849 and published the first of two comprehensive reports on the state's resources a year later.
The Osage Plains are underlain by soft shales with interbedded sandstones and limestones of late Mississippian to Pennsylvanian ages. Some of the rocks prevalent in the Osage Plains are Mississippian limestone, limestone shale, Ordovician dolomite, and Pennsylvanian coal. Also, clay and shale are found within the Pennsylvanian bedrock. [3]
The Tallahatta Formation is a geologic formation found on the surface in Alabama, Florida, Georgia, and Mississippi.It is also located in the subsurface of Kentucky. [1] The Tallahatta formation is part of the Claiborne Group [2] and contains four members: the Basic City Shale in Mississippi, the Holy Springs Sand Member in Mississippi, the Meridian Sand Member in Alabama and Mississippi, and ...
Between the two zones is the Missouri Gravity Low, or MGL, a mass of low density granite including the Missouri batholith up to 370 miles long and 60 miles wide, identified in gravity surveys. Igneous activity ended around 1.3 billion years ago, with the intrusion of numerous dikes and sills into newly crystallized rhyolite and granite.
The Pomme de Terre River (pronounced pohm de TEHR) is a 130-mile-long (210 km) [3] tributary of the Osage River in southwestern Missouri in the United States. Via the Osage and Missouri rivers, it is part of the watershed of the Mississippi River. Pomme de terre is French for potato, a food Indians harvested in the area. [4]