【摘要】 西辽河流域的史前生产工具石磨盘、石磨棒产生于旧石器时代的中晚期的以采集为主的前农业时期,是北方地区谷物加工的主要工具。石磨盘、石磨棒的分布范围广泛,在中国北部以及蒙古国境内都有出土。更多还原

【Abstract】 Prehistoric production tools in the West Liao River Basin——stone millstones and stone grinders appeared in the middle and late period of the Paleolithic period when the pre agricultural period based on collection. As one of the major symbols of the Neolithic age, they are the main tools for grain processing in the north. Stone millstones and stone grinders are widely distributed in northern China and Mongolia.更多还原