Pb-isotopic evidence for an early, enriched crust on Mars

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Pb-isotopic evidence for an early, enriched crust on Mars

Martian meteorite NWA 7533 is a regolith breccia that compositionally resembles the Martian surface measured by orbiters and landers. NWA 7533 contains monzonitic clasts that have zircon with U–Pb ages of 4.428 Ga. The Pb isotopic compositions of plagioclase and alkali feldspars, as well as U–Pb iso...

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Bibliographic Details
Main Authors:	Nemchin, Alexander, Bellucci, J., Whitehouse, M., Humayum, M., Hewins, R., Zanda, B.
Format:	Journal Article
Published:	Elsevier Science BV 2014
Subjects:	Martian crust Pb isotopes Martian geochemistry Mars NWA 7533 Black Beauty
Online Access:	http://hdl.handle.net/20.500.11937/7621

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