"I can't tell. The carbon 14 method is only good to about fifty thousand years before the present era. In organic materials older than that, all the carbon 14 has been converted, just as in this case. So, without knowing the context or having no other material that might be datable by another method, I cannot tell you how old this wood is." He held up the small vial and ruefully frowned at it. "Beyond saying that it is likely more than fifty thousand years old. Perhaps if you gave me more information? Some sample of the sediments in which it was found?"