| Northview Formation Stratigraphic range: Mississippian | |
|---|---|
| Type | Geological formation |
| Unit of | Chouteau Group |
| Underlies | Pierson Limestone or Burlington Limestone |
| Overlies | Sedalia Formation or Compton Limestone |
| Thickness | up to 80 feet (20 m) [1] |
| Lithology | |
| Primary | Shale |
| Other | Siltstone, argillaceous limestone |
| Location | |
| Coordinates | 37°17′56″N93°00′08″W / 37.29889°N 93.00222°W [2] |
| Region | Missouri (southwest): Springfield Plateau section of the Ozarks |
| Type section | |
| Named for | Northview in Webster County, southwestern Missouri |
| Named by | Stuart Weller |
| Location | Section along old Highway 66 near Northview |
| Year defined | 1899 [1] |
| Coordinates | 37°17′56″N93°00′08″W / 37.29889°N 93.00222°W |
| Region | Webster County, southwestern Missouri |
| Country | United States |
The Northview Formation is a geologic formation in southwest Missouri. Its fauna includes brachiopods and abundant trace fossils of the Mississippian subperiod and Kinderhookian Series. [3]
Missouri is a state in the Midwestern United States. With over six million residents, it is the 18th-most populous state of the Union. The largest urban areas are St. Louis, Kansas City, Springfield, and Columbia; the capital is Jefferson City. The state is the 21st-most extensive in area. In the South are the Ozarks, a forested highland, providing timber, minerals, and recreation. The Missouri River, after which the state is named, flows through the center of the state into the Mississippi River, which makes up Missouri's eastern border.
The Mississippian is a subperiod in the geologic timescale or a subsystem of the geologic record. It is the earliest/lowermost of two subperiods of the Carboniferous period lasting from roughly 358.9 to 323.2 million years ago. As with most other geochronologic units, the rock beds that define the Mississippian are well identified, but the exact start and end dates are uncertain by a few million years. The Mississippian is so named because rocks with this age are exposed in the Mississippi River valley.
