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About: Arundel Formation     Goto   Sponge   NotDistinct   Permalink

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

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

The Arundel Formation, also known as the Arundel Clay, is a clay-rich sedimentary rock formation, within the Potomac Group, found in Maryland of the United States of America. It is of Aptian age (Lower Cretaceous). This rock unit had been economically important as a source of iron ore, but is now more notable for its dinosaur fossils. It consists of clay lenses within depressions in the upper part of the Patuxent Formation that may represent oxbow swamp facies. It is named for Anne Arundel County, Maryland.