Latitude: 12° 28′ 55.264908″ N
Longitude: 107° 46′ 0.138″ E
Administrative location: Nam Xuân ward, Krông Nô district, Đắk Nông province.
The basalt eruption creating the geographical layer separation here occurred at the third stage of the geographical development history of Krongno Volcano Geopark. The typical geographic condition of this stage is the mass-dividing movement.
The eruptive basalt layer directly spread on and covered the terrigenous sediment layer of La Ngà complex system.