In June 1908 a massive air burst of a meteor or comet (10-15 megatons TNT – 1000 times as powerful as the bomb dropped on Hiroshima) knocked over an estimated 80 million trees over 800 square miles in Siberia [http://en.wikipedia.org/wiki/Tunguska_event] A Russian scientist Vladimir S...
“There are two functions in OxCal that are used for combining dates from a single inferred event. The ‘R_Combine’ function is used to combine two or more radiocarbon dates from the same source, e.g., a single skeleton203,204. The ‘Combine’ function is used to combine two or more...