No, an archaeologist would look for an explanation for the anomaly. Is this a true sealed deposit? Is there rodent intrusion? Tree root intrusion? Are we looking at primary context? Is there evidence for human intrusion - grave robbers - back hoes digging for a parking lot? Seismic disturbance? Water action? There is a whole study of what happens to an artifact upon deposition called taphonomy that you should familiarize yourself with.Genesis Veracity wrote:No, but if a level is thought to be from, say, 3500 B.C., but what looked like a good sample comes back with a date of 2200 B.C., you bet your boots they'll find a way to explain why "it's really a bad sample."
I see you posting here on an archaeology forum but it is evident you are not trained in the discipline.