Besides the solid rock xenoliths in basalt, writers found the glass xenoliths, which is different from both host basalt and solid rock xenoliths. Glass xenoliths consist mainly of K riched nepheline crystals and glass and they are unequilibrium with the Na riched host basalt magma, enhancing the K content of basalt.
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杜乐天,王文广.2012.山东栖霞大方山玄武岩中地幔熔体玻璃捕虏体岩相学及岩石化学研究[J].地质论评,58(4):757-762,[DOI]. .2012. Petrographical and Petrochemical Study on the Mantle Glass Xenoliths in Dafangshan Basalt, Qixia, Shandong[J]. Geological Review,58(4):757-762.
