辽宁西部广泛分布着晚中生代火山岩，横跨华北克拉通和兴－蒙造山带两大构造单元，一般认为它们是以在这一地区发育的两条主要断裂－西拉木......

The distribution of Neogene felsic porphyries intruding in earlier granitic batholiths was mainly controlled by north-so......