2004年3月至2006年12月,郑州大学历史学院考古系在郑州市文物考古研究院的配合下对南洼遗址进行了全面的调查、勘探和发掘,清理了大量的二里头时期至金元时期的遗迹,其中二里头文化的遗存最为丰富,有壕沟2条、墓葬13座、灰坑700余座、水井3处、陶窑7座,出土了大量的遗物,其中有较为丰富的白陶遗存。这些对研究二里头文化的聚落形态提供了重要资料。
From March 2004 to December 2006, Archaeology Department of History Institute of Zheng- zhou University with Zhengzhou Municipal Institute of Cultural Relics and Archaeology carried out an overall investigation, prospecting, excavation to Nanva site, and found a great deal sites from the period of Erlitou to Jin and Yuan dynasties. The relics of Erlitou culture were most abundant, including 2 ditches, 13 tombs, over 700 ash pits , 3 wells, 7 pottery kilns and many white pottery remains. The found in Nanwa site would present important information for research the settlement pattern of Erlitou culture.