To the west of Momoke are thick sandstones of mixed continental shelf and Littoral facies.To the east is fresh-water carbonate sediments of limited-open platform facies.

• 晚石炭世晚期-早二叠世早期为规模最大的海侵期，也是塔西南碳酸盐岩台地发育的鼎盛时期。