Other
Scientific paper
Mar 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28...93b&link_type=abstract
Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. .93.
Other
Ice, Glacial Drift, Meteorites, Weathering, Thermoluminescence, Antarctic Regions, Aeolian Tones, Wind Effects
Scientific paper
We discuss the relative importance of meteorite infall, and ice and aeolian transport in creating meteorite accumulations and the importance of ice and aeolian transport and weathering in removing meteorites at various icefields in Antarctica. The present analysis is confined to equilibrated ordinary chondrites. We use the natural thermoluminescence (TL) to analyze infall and induced TL to examine the effects of weathering. Natural TL is used in combination with size analysis to guage the effects of aeolian transport. Some icefields, especially the Lewis Cliff Ice Tongue, are dominated by wind-transported fragments, while others, including the Far Western field at Allan Hills, have lost fragments. It appears that most Antarctic icefields preserve meteorite collections on time scales of a few tens of thousands of years.
Benoit Paul H.
Sears Derek W. G.
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