The distribution of sandstone of basins greatly influenced by the facies control, the Luohe formation is mainly composed of aeolian sandstone with the quite thicker sediment and great variety in the horizontal level.

• 盆地砂岩的分布受相的控制影响明显,洛河组主要为风成砂岩,沉积厚度大,而且在横向上厚度变化较大;