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Badlands are a type of dry terrain where softer sedimentary rocks and clay-rich soils have been extensively eroded. [1] They are characterized by steep slopes, minimal vegetation, lack of a substantial regolith, and high drainage density. [2] Ravines, gullies, buttes, hoodoos and other such geologic forms are common in badlands.
Badlands National Park (Lakota: Makȟóšiča [3]) is a national park of the United States in southwestern South Dakota. The park protects 242,756 acres (379.3 sq mi; 982.4 km 2 ) [ 1 ] of sharply eroded buttes and pinnacles , along with the largest undisturbed mixed grass prairie in the United States.
Badlands National Park. The geology of South Dakota began to form more than 2.5 billion years ago in the Archean eon of the Precambrian.Igneous crystalline basement rock continued to emplace through the Proterozoic, interspersed with sediments and volcanic materials.
United States Geological Survey geologists and paleontologists continued to map out the Chinle Formation through the 20th century, revising the unnamed subunits of Gregory. A basic stratigraphy of the formation was developed for north-central New Mexico by Wood and Northrop (1946), [ 3 ] and stratigraphy in the Four Corners Region was ...
Toadstool Geologic Park is said to be the "badlands of Nebraska" or the "desert of the Pine Ridge." The park is open 24 hours a day. Toadstool Park is north of Crawford, Nebraska; to get to the park, take Nebraska Highway 2/Nebraska Highway 71 to Toadstool Road. There is a 1-mile loop trail within the park.
The southwestern part of North Dakota is covered by the Great Plains, accentuated by the Badlands. There is also much in the way of geology and hydrology . North Dakota is about 340 miles (545 km) east to west and 211 miles (340 km) north to south, with a total area of 70,704 square miles (183,123 km²), making it the 19th largest of the 50 U.S ...
Map of the Hell Creek and Lance Formations in western North America The Hell Creek Formation in Montana overlies the Fox Hills Formation and underlies the Fort Union Formation , and the boundary with the latter occurs near the Cretaceous–Paleogene boundary (K–Pg), which defines the end of the Cretaceous period and has been dated to 66 ± 0. ...
The name El Malpais is from the Spanish term Malpaís, meaning badlands, due to the extremely barren and dramatic volcanic field that covers much of the park's area. It is on the Trails of the Ancients Byway, one of the designated New Mexico Scenic Byways. [4] There are many geologic features, including lava tubes and ice caves.