Stirred not shaken; critical evaluation of a proposed Archean meteorite impact in West Greenland

• Published in: Earth and Planetary Science Letters
• Main Authors: Yakymchuk, Chris, Kirkland, Christopher L., Cavosie, Aaron J., Szilas, Kristoffer, Hollis, Julie, Gardiner, Nicholas J., Waterton, Pedro, Steenfelt, Agnete, Martin, Laure
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2021
• Subjects: Bolide; Impact; Maniitsoq; North Atlantic Craton; Planar deformation features; Zircon; Greenland; North Atlantic
• Online Access: https://research-portal.st-andrews.ac.uk/en/publications/0d5f1598-ea07-4d83-ba1e-cc63260fd119; https://doi.org/10.1016/j.epsl.2020.116730; https://research-repository.st-andrews.ac.uk/bitstream/10023/21670/1/Yakymchuk_2021_EPSL_stirred_not_shaken_CC.pdf; https://www.sciencedirect.com/science/article/pii/S0012821X20306749?via%3Dihub#se0200

Large meteorite impacts have a profound effect on the Earth's geosphere, atmosphere, hydrosphere and biosphere. It is widely accepted that the early Earth was subject to intense bombardment from 4.5 to 3.8 Ga, yet evidence for subsequent bolide impacts during the Archean Eon (4.0 to 2.5 Ga) is...