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Earth’s Impact Events Through Geologic Time: A List of Recommended Ages for Terrestrial Impact Structures and Deposits

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dc.contributor.author Schmieder, Martin‏ ‎1978-‏
dc.contributor.author https://orcid.org/0000-0002-1458-5148
dc.contributor.author Kring, David A. (David Allen)
dc.coverage.spatial Earth
dc.date.accessioned 2020-02-11T16:38:54Z
dc.date.available 2020-02-11T16:38:54Z
dc.date.issued 2020-01-20
dc.identifier.citation Schmieder M, and DA Kring. 2020. "Earth's Impact Events Through Geologic Time: A List of Recommended Ages for Terrestrial Impact Structures and Deposits". Astrobiology. 20 (1): 91-141. en
dc.identifier.other DOI: 10.1089/ast.2019.2085
dc.identifier.uri https://hdl.handle.net/20.500.11753/1423
dc.description.abstract This article presents a current (as of September 2019) list of recommended ages for proven terrestrial impact structures (n=200) and deposits (n=46) sourced from the primary literature. High-precision impact ages can be used to (1) reconstruct and quantify the impact flux in the inner Solar System and, in particular, the Earth–Moon system, thereby placing constraints on the delivery of extraterrestrial mass accreted on Earth through geologic time; (2) utilize impact ejecta as event markers in the stratigraphic record and to refine bio- and magneto-stratigraphy; (3) test models and hypotheses of synchronous double or multiple impact events in the terrestrial record; (4) assess the potential link between large impacts, mass extinctions, and diversification events in the biosphere; and (5) constrain the duration of melt sheet crystallization in large impact basins and the life time of hydrothermal systems in cooling impact craters, which may have served as habitats for microbial life on the early Earth and, possibly, Mars. en
dc.description.statementofresponsibility Martin Schmieder and David A. Kring
dc.format.extent 51 pages
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher Mary Ann Liebert, Inc. en
dc.relation.ispartofseries LPI contribution ; no. 2217
dc.subject Impact craters en
dc.subject Geochronometry en
dc.title Earth’s Impact Events Through Geologic Time: A List of Recommended Ages for Terrestrial Impact Structures and Deposits en
dc.type Article en
dc.rights.license This Open Access article is distributed under the terms of the Creative Commons License ( http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.


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