Abstract
The post-impact history of the Popigai impact crater structure includes three main interrelated processes (1) weak tectonic deformation including numerous vertical block displacements of the crater base and overlying impact formations; (2) denudation of impact-generated and deformed target rocks; (3) deposition of loose Pliocene and Quaternary sediments. A period of disintegration and re-deposition of the impact rocks continued during the Neogene and Quaternary, when the modern relief was formed. Post-impact sediments peak 102 m thick but they vary considerably in thickness and genesis. As a whole, the post-impact modification influences insignificantly to the Popigai crater, which retains the main features of its original structure.
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References
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Naumov, M.V. (2019). Post-impact Geological Evolution Within the Crater and in Its Surroundings. In: Masaitis, V. (eds) Popigai Impact Structure and its Diamond-Bearing Rocks. Impact Studies. Springer, Cham. https://doi.org/10.1007/978-3-319-77988-1_3
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DOI: https://doi.org/10.1007/978-3-319-77988-1_3
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