Other
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27.1053p&link_type=abstract
Lunar and Planetary Science, volume 27, page 1053
Other
1
Australasian Tektite Strewn Field, Microimpacts, Microtektites, Tektites: Ejecta
Scientific paper
Major impacts on earth produce glassy ejecta distributed in widespread strewn fields, a classic example of which are tektites and microtektites. Although several models have been proposed on the process of impacts and ejecta emplacement very little is actually known on the immediate post impact scenario in terms of ground truth. We present here the phenomenon of microimpacts on microtektites which, we suggest here, have taken place within the ejecta plume of the impact which generated the Australasian tektite strewn field. Microimpacts, although have been found on virtually every sq.cm of the lunar soil, they however, formed due to cosmic collisions on the moon. Since tektites and microtektites are the ejecta of major impacts on earth, the microimpacts presented here are the first such occurrence not only on earth but also have not been reported in the ejecta of any other known major impact. This study has importance in understanding cratering mechanics of major impacts on terrestrial planets.
Prasad Shyam M.
Sudhakar Manju
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