The project area is the onshore Ugandan Lake Edward-George basin, Albertine rift that is located in the northernmost part of the western arm of East African Rift System (EARS). Dominion Petroleum Ltd carried out petroleum exploration in the Lake Edward basin; i.e., field geological mapping, seismic data acquisition, and interpretation, etc. This resulted in the drilling of the Ngaji-1 well, the only deep well in the entire area. The major aspects of this research are: (1) to evaluate the sedimentology and stratigraphy of different lithologies in this area using ‘lithofacies’ or ‘lithofacies associations,’ (2) revisit the lithostratigraphic framework...