adj.（尤指岩石）火成的
The most common intrusive in the order of igneous rocks is granite.
在火成岩系列中最常见的侵入体是花岗岩.
Igneous rocks do not contain fossils.
火成岩不含化石.
The intrusion sequence for igneous rocks is indicated by crosscutting and inclusion relationships.
火成岩的归入顺序由切割和包含关系来表示.