The Age and Composition of the Martian Crust from NWA 7533

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.

Bibliographic Details
Main Authors: Humayun, M., Nemchin, Alexander, Grange, M., Kennedy, A., Zanda, B., Hewins, R., Lorand, J., Goepel, C., Lewin, E., Pont, S., Deldicque, D.
Format: Conference Paper
Published: WILEY-BLACKWELL 2013
Online Access:http://www.hou.usra.edu/meetings/metsoc2013/pdf/5198.pdf
http://hdl.handle.net/20.500.11937/15906