According to the chemical experimental data of residual organic carbon content, kerogen carbon isotope, aliphaltic gas c根据百色盆地周缘大量露头样品的残余有机碳含量、干酪根碳同位素、饱和烃色谱及色质等地球化学实验数据，分析了下三叠统－泥盆系海相烃源岩的有机质丰度、类型、热演化程度。