A new study, published today in Antiquity journal, is challenging the previously understood narrative for prehistoric life on Orkney. It was led by Professor Alex Bayliss of Historic England and is based on the interrogation of more than 600 radiocarbon dates, enabling much more precise estimates of the timing and duration of events in the period c.3200-2500 BC.

Source: New scientific dating research unravels the story of life in prehistoric Orkney – The Archaeology News Network