Fig. 18From: Changes and continuity in pottery production and use at Wujiafentou in the core zone of Youziling and Shijiahe cultures in central ChinaBiplot showing chemical variations among the Youziling-period and Shijiahe-period pottery unearthed at Wujiafentou (a excluding the Shijiahe-period hong tao bei, b including Shijiahe-period hong tao bei). Drawn with an 80% confidence ellipseBack to article page