Ocean Drilling Perspectives on Meteorite Impacts

This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: https://doi.org/10.5670/oceanog.2019.133. This is version 2 of this Preprint.

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Authors

Christopher Michael Lowery, Joanna Morgan, Sean Gulick, Timothy J Bralower, Gail Christeson, Expedition 364 Scientists

Abstract

Extraterrestrial impacts are a ubiquitous process in the solar system, reshaping the surface of rocky bodies of all sizes. On early Earth, impact structures may have been a nursery for the evolution of life. More recently, a large meteorite impact caused the end-Cretaceous mass extinction, causing the extinction of 75% of species known from the fossil, including non-avian dinosaurs, and clearing the way for the dominance of mammals and eventual evolution of humans. Understanding the fundamental processes associated with impact events is critical to understanding the history of life on Earth, and the potential for life in our solar system and ...  more

DOI

https://doi.org/10.31223/osf.io/j9zfk

Subjects

Earth Sciences, Geophysics and Seismology, Oceanography and Atmospheric Sciences and Meteorology, Paleobiology, Paleontology, Physical Sciences and Mathematics, Planetary Geomorphology, Planetary Geophysics and Seismology, Planetary Sciences, Stratigraphy

Keywords

Geophysics, stratigraphy, IODP, Chesapeake Bay Impact Crater, DSDP, End Cretaceous Mass Extinction, K-Pg, ODP, Os Isotopes, Popigai Impact Crater, Scientific Ocean Drilling

Dates

Published: 2018-08-08 13:29

Last Updated: 2018-12-03 19:58

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License

CC BY Attribution 4.0 International