Petrology of NWA 7533: Formation by Impacts on Ancient Martian Crust
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Authors
Hewins, R.
Zanda, B.
Humayun, M.
Lorand, J.
Deldicque, D.
Pont, S.
Fieni, C.
Nemchin, Alexander
Grange, M.
Kennedy, A.
Goepel, C.
Lewin, E.
Date
2013Type
Conference Paper
Metadata
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Hewins, R. and Zanda, B. and Humayun, M. and Lorand, J. and Deldicque, D. and Pont, S. and Fieni, C. et al. 2013. Petrology of NWA 7533: Formation by Impacts on Ancient Martian Crust, in Proceedings of the 76th Annual Meeting of the Meteoritical Society, Jul 29-Aug 7 2013. Edmonton, Canada: Lunar and Planetary Institute.
Source Conference
76th Annual Meeting of the Meteoritical-Society
ISSN
School
Department of Applied Geology
Collection
Abstract
NWA 7533 contains FeNi grains (~1μm), up to 4.5% Ni in pyrite, and 500 nm Os-Ir-rich particles. Lithic clasts are pyroxenite, norite and zircon-bearing monzonite. The impact melt can be modeled as a mixture of crystal clasts and is poor in monzonite.