沉积环境和沉积岩相的研究,在近十几年来有很大发展,它不仅推进了沉积学的发展,而且大大推动了矿床学的发展,成为外生矿床理论的重要支柱之一。我国外生铀矿床分布广泛,并且具有重要的工业意义,深入研究它的形成与沉积环境及沉积岩相的关系,在理论上和实践上都具有重要意义。 Sedimentary environment and sedimentary facies research, in the past ten years have made great progress, it not only advances the development of sedimentology, but also greatly promoted the development of mineral deposits, become extrinsic deposit theory is one of the important pillars. The uranium deposits in our country are widely distributed and have important industrial significance. It is of great significance both in theory and in practice to study the relationship between its formation and sedimentary environment and sedimentary facies.