陕北地区中侏罗世延安期古地理特征<sup>*</sup>

王东东, 邵龙义, 李智学, 李兆彬

Palaeogeographic characteristics of the Middle Jurassic Yan′an Age in northern Shaanxi Province

Wang Dongdong, Shao Longyi, Li Zhixue, Li Zhaobin

古地理学报 . 2012, (4): 451 -460 . DOI: 10.7605/gdlxb.2012.04.004