四川广元上寺剖面上二叠统大隆组优质烃源岩发育主控因素初探*
李牛, 胡超涌, 马仲武, 颜佳新

Main control factors of high quality hydrocarbon source rocks of the Upper Permian Dalong Formation at Shangsi section of Guangyuan,Sichuan Province
Li Niu, Hu Chaoyong, Ma Zhongwu, Yan Jiaxin
微量元素及其比值指示的氧化还原条件变化( U元素的数据来自于Zhou et al .,2008 )