Fig 1.
A map illustrating the distribution of excavated LXJD sites with radiocarbon dates.
Map was produced in ArcGIS Pro. The digital elevation model was acquired from the Geospatial Data Cloud site, Computer Network Information Center, Chinese Academy of Sciences (http://www.gscloud.cn). 1. Pingdingshan 2. Kangjiatun 3. Xidachuan 4. Xidalizi 5. Xianlingsi 6. Dadianzi 7. Fengxia 8. Redianchang 9. Luoguodi 10. Kalaqinhedong 11. Shuiquan 12. Chengzishan 13. Xiaoyushulinzi 14. Danangou 15. Erdaojingzi 16. Dianjiangtai 17. Location 342 18. Dashanqian 19. Zhizhushan 20. Dongbajia 21. Dongshanzui 22. Xindian 23. Sanzuodian 24. Yantaishan 25. Shangjiyingfangzi 26. Xiliang 27. Kangjiawan 28. Gaojiataizi (Type A) 29. Gaojiataizi (Type B).
Table 1.
Type A: Low-platform earthen sites.
Table 2.
Type B: High hillfort stone sites.
Fig 2.
Single-phase calibration for the ten published Lower Xiajiadian sites.
Fig 3.
Radiocarbon dates for type A and type B locations.
Fig 4.
Summary dates and modeled start and end dates for type A and type B sites.
Fig 5.
Comparison of pottery tripod vessels from Dadianzi (1–9) and Erlitou (10–17).