page_title: Raton, New Mexico
section_title: Geology
hierarchical_section_title: Raton, New Mexico / Geography / Geology
caption_attribution_description: English: I took photo in Raton, NM, with Canon camera.
context_page_description: Raton is a city and the county seat of Colfax County in northeastern New Mexico. The city is located just south of Raton Pass. The city is also located about 6.5 miles south of the New Mexico/Colorado border and 85 miles west of Texas.
context_section_description: Raton is one of the famous sites for viewing the Cretaceous–Paleogene boundary, also known as the K-Pg or K-T boundary, or the iridium layer. A well-preserved sequence of rocks spans the K-T boundary in Climax Canyon Park, a Raton city park to the west of town. Geographic Coordinates: 36°54′13.99″N 104°27′0.75″W
  The rocks have been studied for evidence of the iridium anomaly cited as evidence of a large meteorite impact at the end of the Cretaceous. It is interpreted to have caused the Cretaceous–Paleogene extinction event, which killed off nonavian dinosaurs and many other species of flora and fauna 66 million years ago. The K-T boundary is represented in the rock strata by a 1-cm-thick tonstein clay layer which has been found to contain anomalously high concentrations of iridium.
caption: Raton sign located on a hill above the city (summer 2010)
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