According to the body, color and glaze of the wares, they should be produced at Huangye Kiln in Gong County, which provide new materials for studying the white porcelain in the North and the tri β color pottery of Tang Dynasty. At Bianbiandong Site, some baking ground and pits are discovered, and lots of potteries, millstones and stone sticks are unearthed.
But at Huangya Site, only some animal bone and potteries are found. The character of the potteries shows that the date of Huangya Site is near to that of Bianbiandong Site. According to the data of the radio β carbon dating of the skull fragments of human being, the date is about from to years ago. The discovery of the relics of the early Neolithic Culture at Bianbiandong and Huangya provides an important clue for studying the origin and development of the Neolithic Culture in Shandong Province.
The location of the settlements can be divided into hillock type, valley ladder type and plain mesa type etc.. The settlement types are different in different area. According to the defenses discovered or not, the prehistory settlements can be fallen into three stages, these are preliminary development stage, rapid development stage and evolution stage.
The tendency going southbound of Erlitou Culture shows that the city site is exactly situated at the southern rim of Xia Dynasty governed area. The long history of collision and conquest between the South and Central China indicates that the city site is an important military installation at that time.
According to the basic character, and the appearance law of the bronze swords, hooks and musical instrument bo in the big tombs in Central China, the date of the tomb should be the late Spring and Autumn Periods. Because the scale of the tombs are big, the burial objects are very abundant, and some chariot and horse pits are buried with the tombs, at least two owners of the tombs are the ministers of Jin State.
