26Al Chronology of Erg Chech 002, the Oldest Andesite in the Solar System

M. Chaussidon, Barrat J. A., Yamaguchi A., Beck P., Villeneuve J. et al.

52nd Lunar and Planetary Science Conference (2021), Abstract #2222


26Al chronology shows that the Erg Chech 002 meteorite of andesitic composition is the oldest known differentiated crust of a protoplanet, and that it formed contemporaneously with the formation of the cores in the parent bodies of magmatic iron meteorites.”