Geologically, the base is an integrated region comprising hill, river (lake) and plain, and is composed of the fourth epoch (Holocene) alluvial layers, diluvial layer(gravel and breccia) and stagnant thin-layer sandstone.

• 基地地质条件:属丘陵滨江（湖）平原综合性地区，由第四系全新统冲积层、坡积层（砾石及角砾）、滞留系薄层砂岩组成。