宁夏固原古近系寺口子组砂岩成因探讨*
杨帆1,2, 李孝泽1

Discussion about origin of the Paleogene Sikouzi Formation sandstones in Guyuan,Ningxia
Yang Fan1,2, Li Xiaoze1
宁夏固原古近系寺口子组典型风成沙丘前积层倾向分点玫瑰花图