The genesis factors and organic petrology of black shale series from the upper Sinian to the lower Cambrian,southwest of China.
湘西震旦—寒武纪黑色岩系的有机岩石学特征及其形成条件

The research of organic matter source and the environment is very important to the study on the biologic and organic ore forming process, and also to the exploration of the oil gas and metal deposits The black shale series of the west Hunan are mainly