26Al-26Mg Systematics of the Ungrouped Achondrite Northwest Africa 11119: Timing of Extraterrestrial Silica-Rich Magmatism

Dunlap D. R. * Wadhwa M. Agee C.

80th Annual Meeting of the Meteoritical Society 2017 [#6268]


“Ungrouped achondrite NWA 11119 has an andesite-dacite bulk SiO2. The high precision 26Al-26Mg internal isochron age is 4564.9 Ma and records the earliest known episode of silicic magmatism in our solar system.”