During Neolithic times, the known sources of nephrite jade in China for utilitarian and ceremonial items were the now-depleted deposits in the Ningshao area in the Yangtze River Delta (during the Lian...During Neolithic times, the known sources of nephrite jade in China for utilitarian and ceremonial items were the now-depleted deposits in the Ningshao area in the Yangtze River Delta (during the Liangzhu culture, 3400–2250 BCE) and in an area of the Liaoning province in Inner Mongolia (during the Hongshan culture, 4700–2200 BCE).
