Sedimentation Models and Development Mechanisms of Organic-Rich Shales of the Lower Carboniferous Dawuba Formation: A Case Study in the Yaziluo Rift Trough, South of Guizhou Province, Southern China

下石炭统大乌坝组富含有机质页岩沉积模式及发育机理研究——以中国南方贵州省南部亚子洛裂谷槽为例