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A rural Ozarks scene. Phelps County, Missouri The Saint Francois Mountains, viewed here from Knob Lick Mountain, are the exposed geologic core of the Ozarks.. The Ozarks, also known as the Ozark Mountains, Ozark Highlands or Ozark Plateau, is a physiographic region in the U.S. states of Missouri, Arkansas, and Oklahoma, as well as a small area in the southeastern corner of Kansas. [1]
The Springfield Plateau is the only Ozark Highland Level IV ecoregion within all four states. [1] The nearly level to rolling Springfield Plateau is underlain by cherty limestone of the Mississippian Boone Formation and Burlington Limestone; it is less rugged and wooded than Ecoregions 38, 39b, and 39c, and lacks the Ordovician dolomite and limestone of Ecoregions 39c and 39d.
the Missouri portion of the Ozark Plateau (areas 14a and 14b) which lies between the Mississippi Alluvial Plain and the Central lowland. The boundary between the northern plains and the Ozark region follows the Missouri River from its mouth at St. Louis to Columbia.
The flights are being conducted in order to collect data on the geology underpinning the Ozark Plateau physiographic region as part of the Earth Mapping Resources Initiative.
The Saint Francois Mountains were formed by igneous activity, whereas most of the surrounding Ozarks are developed on Paleozoic sedimentary rocks as a dissected plateau. The localized vertical relief was caused by erosion following uplift during the Pennsylvanian and Permian periods produced by the Ouachita orogeny to the south.
Part of the Ozarks, the Boston Mountains are a deeply dissected plateau. The ecoregion is steeper than the adjacent Springfield Plateau to the north, and bordered on the south by the Arkansas Valley. The Oklahoma portion of the range is locally referred to as the Cookson Hills. There are several theories of how the mountains were named, though ...
The Boston Mountains of the Arkansas and Oklahoma Ozark Plateaus; the highest point is Wahzhazhe Summit (formerly known as Buffalo Lookout), at 2,561 feet (781 m), 3.4 miles (5.5 km) east of Pettigrew, Newton County, Arkansas. Wahzhazhe is the Osage people’s name for themselves in the Dhegiha Siouan language.
Originally known as the Oklahoma Bat Caves National Wildlife Refuge, Ozark Plateau National Wildlife Refuge was established for the protection of endangered bats and their habitat. The refuge is made up of several parcels of land located in northeastern Oklahoma. These parcels contain numerous caves considered crucial for the bats' survival.