Waits isn't the iranian chacolithic period 4/5th millennium ? The pastoral neolthic is basically the end of the 4th beginning of the 3rd millennium b.c . How could a pouplation with ancestry similar to the iranian Chalcolithic travel that far of a distance in 1000-1500 years in a period where there was no horses and donkeys has just been domesticated in africa.They also show traces of post-Neolithic MENA ancestry that includes a bit of Iran_ChL-like input,