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Crater ejecta: Markers of impact catastrophes
Authors:V V Shuvalov  N A Artemieva  M Yu Kuz’micheva  T V Losseva  V V Svettsov  V M Khazins
Institution:1.Institute of Geosphere Dynamics,Russian Academy of Sciences,Moscow,Russia
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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