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- Raton_Formation abstract "The Raton Formation is a geological formation of Upper Cretaceous and Paleocene age which outcrops in the Raton Basin of northeast New Mexico and southeast Colorado.The Raton Formation was originally named \"Raton Hills Group\" by Hayden in 1869 for coal beds in the Raton Hills in Colfax County, New Mexico. In 1913, Lee changed the name to Raton Formation. Lee described the formation as a coal with carbonaceous shale with brown to buff sandstone and conglomerate (usually at the base). The Raton Formation is about 1140 feet thick at the type locality. The formation unconformably overlies the Vermejo Formation, and unconformably (?) underlies the Poison Canyon Formation.In 1954, Brown determined that the Raton Formation was of Late Cretaceous and Paleocene age.Pillmore measured the formation thickness as 2000 feet, and divided the Raton Formation into three divisions. The lowest division is a basal sandstone and conglomerate of quartzite, chert and gneiss pebbles and cobbles in a coarse-grained quartzose to arkosi sandstone matrix. The middle division is fine to coarse grained sandstone, with some siltstone, mudstone, and coal. The upper division is coal-bearing and contains sandstone, siltstone, mudstone, shale, and mineable coal.Because the Raton Formation is a well-preserved sequence of rocks spanning the Cretaceous-Paleogene boundary, it has been studied for evidence of a large meteor impact at the end of the Cretaceous that is thought to have caused the Cretaceous–Paleogene extinction event. The boundary is represented by a 1-cm thick tonstein clay layer which has been found to contain anomalously high concentrations of iridium. The boundary clay layer is accessible to the public at Trinidad Lake State Park, among other places in the Raton Basin.".
- Raton_Formation wikiPageID "17253797".
- Raton_Formation wikiPageLength "2401".
- Raton_Formation wikiPageOutDegree "20".
- Raton_Formation wikiPageRevisionID "663921630".
- Raton_Formation wikiPageWikiLink Category:Geologic_formations_of_New_Mexico.
- Raton_Formation wikiPageWikiLink Category:Maastrichtian_geologic_formations.
- Raton_Formation wikiPageWikiLink Category:Paleogene_Colorado.
- Raton_Formation wikiPageWikiLink Chert.
- Raton_Formation wikiPageWikiLink Colfax_County,_New_Mexico.
- Raton_Formation wikiPageWikiLink Colorado.
- Raton_Formation wikiPageWikiLink Cretaceous.
- Raton_Formation wikiPageWikiLink Cretaceous–Paleogene_extinction_event.
- Raton_Formation wikiPageWikiLink Ferdinand_Vandeveer_Hayden.
- Raton_Formation wikiPageWikiLink Gneiss.
- Raton_Formation wikiPageWikiLink Iridium.
- Raton_Formation wikiPageWikiLink Late_Cretaceous.
- Raton_Formation wikiPageWikiLink New_Mexico.
- Raton_Formation wikiPageWikiLink Paleocene.
- Raton_Formation wikiPageWikiLink Quartzite.
- Raton_Formation wikiPageWikiLink Raton_Basin.
- Raton_Formation wikiPageWikiLink Sandstone.
- Raton_Formation wikiPageWikiLink Tonstein.
- Raton_Formation wikiPageWikiLink Trinidad_Lake_State_Park.
- Raton_Formation wikiPageWikiLink Vermejo_Formation.
- Raton_Formation wikiPageWikiLinkText "Raton Formation".
- Raton_Formation wikiPageUsesTemplate Template:Colorado-stub.
- Raton_Formation subject Category:Geologic_formations_of_New_Mexico.
- Raton_Formation subject Category:Maastrichtian_geologic_formations.
- Raton_Formation subject Category:Paleogene_Colorado.
- Raton_Formation hypernym Formation.
- Raton_Formation type MilitaryUnit.
- Raton_Formation type Cretaceou.
- Raton_Formation type Formation.
- Raton_Formation type Landform.
- Raton_Formation comment "The Raton Formation is a geological formation of Upper Cretaceous and Paleocene age which outcrops in the Raton Basin of northeast New Mexico and southeast Colorado.The Raton Formation was originally named \"Raton Hills Group\" by Hayden in 1869 for coal beds in the Raton Hills in Colfax County, New Mexico. In 1913, Lee changed the name to Raton Formation. Lee described the formation as a coal with carbonaceous shale with brown to buff sandstone and conglomerate (usually at the base).".
- Raton_Formation label "Raton Formation".
- Raton_Formation sameAs Q7295894.
- Raton_Formation sameAs m.043mq4b.
- Raton_Formation sameAs Q7295894.
- Raton_Formation wasDerivedFrom Raton_Formation?oldid=663921630.
- Raton_Formation isPrimaryTopicOf Raton_Formation.