Crater ejecta: Markers of impact catastrophes |
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Authors: | V V Shuvalov N A Artemieva M Yu Kuz’micheva T V Losseva V V Svettsov V M Khazins |
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Institution: | 1.Institute of Geosphere Dynamics,Russian Academy of Sciences,Moscow,Russia |
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Abstract: | The role of impact crater ejecta in the evolution of the Earth and Solar System planets is considered. Using the methods of
numerical modeling, the accretion and erosion of planets, the redistribution of planetary material due to impacts of large
cosmic bodies and related geospheric interactions, the asymmetrical deposition of ejecta around the crater rim, and the possibility
of nonballistic transportation of ejecta are analyzed. The influence of impact events on the Earth’s envelopes is compared
with the effects of volcanic eruptions. |
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