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About: Dakota Formation     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Tract108673395, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatCretaceousPaleontologicalSitesOfNorthAmericageo:SpatialThingyago:WikicatRockyMountainsyago:GeographicalArea108574314yago:GeologicalFormation109287968yago:Location100027167yago:Mountain109359803yago:NaturalElevation109366317yago:Object100002684yago:PhysicalEntity100001930yago:Region108630985yago:YagoGeoEntityyago:YagoLegalActorGeoyago:YagoPermanentlyLocatedEntitymilitary unityago:Site108651247yago:Tract108673395 New Facet based on Instances of this Class

The Dakota is a sedimentary geologic unit name of formation and group rank in Midwestern North America. The Dakota units are generally composed of sandstones, mudstones, clays, and shales deposited in the Mid-Cretaceous opening of the Western Interior Seaway. The usage of the name Dakota for this particular Albian-Cenomanian strata is exceptionally widespread; from British Columbia and Alberta to Montana and Wisconsin to Colorado and Kansas to Utah and Arizona. It is famous for producing massive colorful rock formations in the Rocky Mountains and the Great Plains of the United States, and for preserving both dinosaur footprints and early deciduous tree leaves.