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- Kentland_crater abstract "The Kentland crater, also known as the Kentland structure or the Kentland disturbed area, is an impact crater located near the town of Kentland in Newton County, Indiana, United States.It was discovered about 1880 when two farmers began to quarry crushed rock there. The presence of shatter cones and deformed bedrock led geologists to conclude by the late 1960s that the Kentland structure is an impact crater, rather than volcanic in origin. Deformation at the site is so great that vertical contacts between normally horizontal rock formations of different ages are common.The crater itself is a circular dome, about 7.24 km (4.50 mi) in diameter, deeply eroded and buried in glacial debris. Its age is estimated to be less than 97 million years (Cretaceous or younger). The Shakopee dolomite at the center of the structure is about 450 million years old (Ordovician period) and is uplifted about 2,000 feet higher than the level of the same rock in the surrounding area. The entire disturbed area is about 13 km (8.1 mi) in diameter.The estimated age is in dispute. ‘’’97 MYA‘’’ Late Cretaceous Period of the Mesozoic Era ‘’’300 MYA‘’’= Bzhelian or Late Pennsylvanian Epoch(Carboniferous Period) of the Paleozoic EraThe crater's structure was studied in 1978. John Weber and his associates presented fission track dating of apatite from the crater. Coesite and shatter cones are found in the uplift near its center. The crater is exposed to the surface, resulting in erosion. It is currently being worked as a quarry.".
- Kentland_crater thumbnail Kentland_IN_rock_deformation.jpg?width=300.
- Kentland_crater wikiPageExternalLink 1978LPSC....9.2609L.
- Kentland_crater wikiPageExternalLink 1993Metic..28..382K.
- Kentland_crater wikiPageExternalLink kentland_indiana.
- Kentland_crater wikiPageExternalLink k.
- Kentland_crater wikiPageExternalLink 2007_Kentland_trip.html.
- Kentland_crater wikiPageExternalLink q432277548352468.
- Kentland_crater wikiPageExternalLink kentland-meteorite-impact-signicant-in-scientic-discovery.
- Kentland_crater wikiPageID "780189".
- Kentland_crater wikiPageRevisionID "558795627".
- Kentland_crater hasPhotoCollection Kentland_crater.
- Kentland_crater subject Category:Cretaceous_impact_craters.
- Kentland_crater subject Category:Geography_of_Newton_County,_Indiana.
- Kentland_crater subject Category:Impact_craters_of_the_United_States.
- Kentland_crater subject Category:Newton_County,_Indiana.
- Kentland_crater point "40.75 -87.4".
- Kentland_crater type CretaceousImpactCraters.
- Kentland_crater type GeologicalFormation109287968.
- Kentland_crater type ImpactCratersOfTheUnitedStates.
- Kentland_crater type Object100002684.
- Kentland_crater type PhysicalEntity100001930.
- Kentland_crater type VolcanicCrater109472413.
- Kentland_crater type YagoGeoEntity.
- Kentland_crater type YagoPermanentlyLocatedEntity.
- Kentland_crater type SpatialThing.
- Kentland_crater comment "The Kentland crater, also known as the Kentland structure or the Kentland disturbed area, is an impact crater located near the town of Kentland in Newton County, Indiana, United States.It was discovered about 1880 when two farmers began to quarry crushed rock there. The presence of shatter cones and deformed bedrock led geologists to conclude by the late 1960s that the Kentland structure is an impact crater, rather than volcanic in origin.".
- Kentland_crater label "Kentland crater".
- Kentland_crater sameAs Kentland.
- Kentland_crater sameAs m.03bt2_.
- Kentland_crater sameAs Q6392052.
- Kentland_crater sameAs Q6392052.
- Kentland_crater sameAs Kentland_crater.
- Kentland_crater lat "40.75".
- Kentland_crater long "-87.4".
- Kentland_crater wasDerivedFrom Kentland_crater?oldid=558795627.
- Kentland_crater depiction Kentland_IN_rock_deformation.jpg.
- Kentland_crater isPrimaryTopicOf Kentland_crater.
