Oppugns on ancient nephrite jade at Yin Ruins

In light of geology,in combination with the studies on the origin of ancient jade in the Neolithic Age and its inheriting relations with the ancient jade in the period of Yin-Shang Dynasty,the author made comparisons with the jade mining standards in Central China and Xinjiang region,regarded that there was no road of ancient jades and stones.Ancient jades at Yin Ruins inherited the source of the late period of the Neolithic Age,they belonged to"obtain material from local sources"or"obtain material from nearby sources".