Andesitic-Dacitic Achondrite Northwest Africa 11119: Evidence for Extraterrestrial Silica-Rich Magmatism

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Srinivasan P. * Agee C. B. McCubbin F. M. Ziegler K.

80th Annual Meeting of the Meteoritical Society 2017 [#6129]

abstract (PDF)

“Petrologic and isotopic results for ungrouped achondrite Northwest Africa 11119 shows a possible genetic link to NWA 7325, however, this unique andesitic-dacitic rock displays characteristics of silica-rich volcanism in an oxidized environment. ”

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