Eclogite xenoliths from kimberlite have long been considered as products of crystallization of basaltic magmas within the upper mantle, and the Ca/ (Ca + Mg) and Fe/ (Fe + Mg) values of garnets in ...

Nathan L. Andersen, Brian R. Jicha, Brad S. Singer, Wes Hildreth, Incremental heating of Bishop Tuff sanidine reveals preeruptive radiogenic Ar and rapid remobilization from cold storage, Proceedings ...