Introduction to geological features: Huping Mountain has many exposed geological dating sections and is extremely rich in fossils, especially nautilus fossils and trilobite fossils (swallow stones). The swallow stones in Huping Mountain are tougher in texture, smoother to the touch, brighter in color, and clearer and more vivid in patterns than those in Tai'an, Shandong, and Banpo, Shaanxi. It is a geological science park.