U-Pb Ages and Compositions of Apollo 14 Regolith Glasses
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Authors
Norman, M.
Nemchin, Alexander
Grange, Marion
Zeigler, R.
Whitehouse, M.
Muhling, J.
Merle, R.
Date
2013Type
Conference Paper
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Norman, M. and Nemchin, A. and Grange, M. and Zeigler, R. and Whitehouse, M. and Muhling, J. and Merle, R. 2013. U-Pb Ages and Compositions of Apollo 14 Regolith Glasses, in Proceedings of the 76th Annual Meeting of the Meteoritical Society, Jul 29-Aug 7 2013. Edmonton, Canada: Lunar and Planetary Institute.
Source Title
METEORITICS & PLANETARY SCIENCE
Source Conference
76th Annual Meeting of the Meteoritical-Society
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Department of Applied Geology
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Abstract
U-Pb compositions of Apollo 14 impact glasses suggests two prominent age groups at 3.7 Ga and less than 1 Ga, with smaller clusters at 2.5 Ga and 1.3 Ga. The range of chemical compositions suggests multiple impact events contributed to these groups.