SEDIMENTATION CHARACTERISTICS OF THE JURASSIC SLIDING-PRONE STRATUM IN THE THREE GORGES RESERVOIR AREA AND THEIR INFLUENCE ON PHYSICAL AND MECHANICAL PROPERTIES OF ROCK

This paper describes the sedimentation characteristics of the Jurassic sliding-prone stratum in the Three Gorges reservoir area based on analyses of lithofacies paleogeography and evolution of the sedimentation environment. The authors then assess their influence on physical and mechanical properties of rock in the Three Gorges reservoir area. As such, sedimentologic causes for the frequent occurrence of geologic hazards, especially landslides in the Three Gorges reservoir area, are identified.