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Monument Rocks (also Chalk Pyramids) are a series of large chalk formations in Gove County, Kansas, rich in fossils. The formations were the first landmark in Kansas chosen by the U.S. Department of the Interior as a National Natural Landmark. The chalk formations reach a height of up to 70 ft (21 m) and include formations such as buttes and ...
The region is sparsely populated with numerous communities of varying size, but no large cities. The two largest communities in the Smoky Hills region are Salina, Kansas and Hays, Kansas. Elevations in the Smoky Hills range from about 1,200 feet (370 m) in the river valley near Salina to about 2,400 feet (730 m) at the western edge of the ...
Niobrara Chalk was weathered and opalized in the Valentine phase of the Ogallala Formation. The Niobrara Formation / ˌ n aɪ. ə ˈ b r ær ə /, also called the Niobrara Chalk, is a geologic formation in North America that was deposited between 87 and 82 million years ago during the Coniacian, Santonian, and Campanian stages of the Late ...
For many decades, it was a tourist trap called the Indian Burial Pit or Salina Burial Pit. [7] [5] It was declared a U.S. National Historic Landmark in 1964. [2] [3] In 1989, the state of Kansas purchased the site. In 1990, the pit was filled with sand and covered with a concrete cap to protect it, then covered with dirt and grass.
Castle Rock is a 70 ft (21 m) tall chalk pillar landmark in Gove County, Kansas, United States. The formation and the nearby badlands are located in the Smoky Hills region of Kansas, which is approximately 11 mi (18 km) south of I-70 near Quinter, Kansas.
The geology of Oklahoma is characterized by Carboniferous rocks in the east, Permian rocks in the center and towards the west, and a cover of Tertiary deposits in the panhandle to the west. The panhandle of Oklahoma is also noted for its Jurassic rocks as well.
A broken concretion with fossils inside; late Cretaceous Pierre Shale near Ekalaka, Montana. Monument Rocks (Kansas), located 25 miles south of Oakley. By the late Cretaceous, Eurasia and the Americas had separated along the south Atlantic, and subduction on the west coast of the Americas had commenced, resulting in the Laramide orogeny, the early phase of growth of the modern Rocky Mountains.
The Wellington Formation is an Early Permian geologic formation in Kansas and Oklahoma. [2] The formation's Hutchinson Salt Member is more recognized by the community than the formation itself, and the salt is still mined in central Kansas. [3]