The Age and Composition of the Martian Crust from NWA 7533

Humayun, M. and Nemchin, A. and Grange, M. and Kennedy, A. and Zanda, B. and Hewins, R. and Lorand, J. et al. 2013. The Age and Composition of the Martian Crust from NWA 7533, in Proceedings of the 76th Annual Meeting of the Meteoritical-Society, Jul 29-Aug 7 2013, id 5198. Edmonton, Canada: Lunar and Planetary Institute.

Source Title

METEORITICS & PLANETARY SCIENCE

Source Conference

76th Annual Meeting of the Meteoritical-Society

Additional URLs

http://www.hou.usra.edu/meetings/metsoc2013/pdf/5198.pdf

ISSN

1086-9379

School

Department of Applied Geology

URI

http://hdl.handle.net/20.500.11937/15906

Collection

Curtin Research Publications

Abstract

NWA 7533 is a pre-Noachian regolith breccia, containing siderophiles consistent with 5% chondritic impactor, 4.44 Ga zircons, and LILE enrichments implying a crustal thickness of 50 km established in the first 100 Ma of martian history.