However,recent explorations have shown that the Zhiluo Formation also has some minable coal seams in a certain area.

• 二道岭矿区侏罗系的成因属鄂尔多斯中生代盆地西缘的陆相碎屑沉积,岩石地层自下而上为富县组、延安组、直罗组和安定组。