Title: Beijing Xi Shan di qu zhong sheng dai yan jiang zuo yong, bian zhi zuo yong ji qi dui Hua bei dong bu  yan shi quan hou du bian hua de yue shu
Subjects: Magmas, Igneous rocks, Metamorphism (Geology), Magmatism, Paleontology
Places: Western Hills Region (Beijing), China, Manchuria
Time periods: Mesozoic