Petrology of NWA 7533: Formation by Impacts on Ancient Martian Crust

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Petrology of NWA 7533: Formation by Impacts on Ancient Martian Crust

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.

Bibliographic Details
Main 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.
Format:	Conference Paper
Published:	WILEY-BLACKWELL 2013
Online Access:	http://hdl.handle.net/20.500.11937/11731

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