The Upper Jurassic Stanleyville Group of the eastern Congo Basin: An example of perennial lacustrine system

The intracratonic Congo Basin, located in the Democratic Republic of Congo (DRC), is the largest sedimentary basin of Africa. The Jurassic strata outcrop along its eastern margin, south of Kisangani (formerly Stanleyville). In the last century, the Upper Jurassic Stanleyville Group was described as a lacustrine series containing a thin basal marine limestone designed as the “Lime Fine” beds. Since the proposal of this early model, the...