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- https://bio.libretexts.org/Workbench/South_Texas_College_-_Biology_for_Non-Majors/15%3A_Formation_of_New_Species/15.03%3A_Mass_ExtinctionsThe cause of this extinction is now understood to be the result of a cataclysmic impact of a large meteorite, or asteroid, off the coast of what is now the Yucatán Peninsula. The researchers who disco...The cause of this extinction is now understood to be the result of a cataclysmic impact of a large meteorite, or asteroid, off the coast of what is now the Yucatán Peninsula. The researchers who discovered the iridium spike interpreted it as a rapid influx of iridium from space to the atmosphere (in the form of a large asteroid) rather than a slowing in the deposition of sediments during that period.
- https://bio.libretexts.org/Workbench/Evolution_Chapters/03%3A_Macroevolution/3.03%3A_Mass_ExtinctionsThe cause of this extinction is now understood to be the result of a cataclysmic impact of a large meteorite, or asteroid, off the coast of what is now the Yucatán Peninsula. The researchers who disco...The cause of this extinction is now understood to be the result of a cataclysmic impact of a large meteorite, or asteroid, off the coast of what is now the Yucatán Peninsula. The researchers who discovered the iridium spike interpreted it as a rapid influx of iridium from space to the atmosphere (in the form of a large asteroid) rather than a slowing in the deposition of sediments during that period.
- https://bio.libretexts.org/Courses/Lumen_Learning/Biology_for_Non_Majors_II_(Lumen)/18%3A_Module_15-_Ecology_and_the_Environment/18.20%3A_Mass_ExtinctionsThe cause of this extinction is now understood to be the result of a cataclysmic impact of a large meteorite, or asteroid, off the coast of what is now the Yucatán Peninsula. The researchers who disco...The cause of this extinction is now understood to be the result of a cataclysmic impact of a large meteorite, or asteroid, off the coast of what is now the Yucatán Peninsula. The researchers who discovered the iridium spike interpreted it as a rapid influx of iridium from space to the atmosphere (in the form of a large asteroid) rather than a slowing in the deposition of sediments during that period.