gneiss

Baby, you're so gneiss I'll never take you for granite.

宝贝，你是如此的片麻岩，我永远不会把你当花岗岩的。

Granulite - the metamorphic gneiss district level are mostly granulite facies to senior amphibolite facies.

麻粒岩-片麻岩区的变质程度多属麻粒岩相到高级角闪岩相。