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About: Mazon Creek fossil beds     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : umbel-rc:Place, within Data Space : dbpedia.org associated with source document(s)

Type: Thingplacedbo:Locationschema:LandmarksOrHistoricalBuildingsschema:Placeyago:WikicatAnimalsDescribedIn1890yago:WikicatAnimalsDescribedIn1979yago:WikicatCarboniferousPaleontologicalSitesyago:WikicatNationalHistoricLandmarksInIllinoisgeo:SpatialThingyago:WikicatPaleontologicalSitesyago:WikicatPaleontologicalSitesOfNorthAmericayago:Animal100015388yago:GeographicalArea108574314yago:Landmark108624891yago:LivingThing100004258yago:Location100027167yago:Object100002684yago:Organism100004475yago:PhysicalEntity100001930yago:Point108620061yago:Position108621598yago:Region108630985yago:YagoGeoEntityyago:YagoLegalActorGeoyago:YagoPermanentlyLocatedEntityhistoric placeyago:Site108651247yago:Tract108673395yago:Whole100003553umbel-rc:Place New Facet based on Instances of this Class

The Mazon Creek fossil beds are a conservation lagerstätte found near Morris, in Grundy County, Illinois. The fossils are preserved in ironstone concretions, formed approximately 309 million years ago in the mid-Pennsylvanian epoch of the Carboniferous period. These concretions frequently preserve both hard and soft tissues of animal and plant materials, as well as many soft-bodied organisms that do not normally fossilize. The quality, quantity and diversity of fossils in the area, known since the mid-nineteenth century, make the Mazon Creek lagerstätte important to paleontologists, in attempting to reconstruct the paleoecology of the sites. The locality was declared a National Historic Landmark in 1997.