The research activities carried out in the Lengkayap River Pass Gumai Formation of Batuputih Area surroundings. Administratively, this research was conducted in Batuputih Village and its surroundings, West Baturaja District, Ogan Komering Ulu Regency, South Sumatra Province. The research site is divided into nine locations with carbonate sandstone and carbonate mudstone lithologies. The researc…