Uyghur

This is an aerial view of Por-Bajin from the west. The complex is situated on an island in a lake. Scientists have pinned its construction on the year 777 AD, using a special carbon-14 dating technique, based on sudden spikes in the carbon-14 concentration. Source: Andrei Panin / PNAS

9 June, 2020 - 22:56 ancient-origins

Radiocarbon Dating Pins Construction of Por-Bajin Island Fortress to 777 AD

Dating archaeological objects precisely is difficult, even when using techniques such as radiocarbon dating . Using a recently developed method, based on the presence of sudden spikes in carbon-14...