Problems of dating human bones from the Iron Gates

It is widely recognised that when marine resources form a significant proportion of the human diet, this results in radiocarbon ages for human remains that are significantly older than the contemporary atmosphere. While there has been widespread assessment of marine <sup>14</sup>C reservoir ages, there has been litle study of the freshwater equivalent. However, recent analyses of human bone from archaeological sites in the Danube Valley have confirmed the existence of a large freshwater <sup>14</sup>C reservoir effect