Originally Posted by
jensdad
Hi I42. No, the country in which this airfield is situated doesn't have any current or recent volcanic activity. Although I did think those marks on the landscape would be a nice red herring
Looks like another clue is needed... The marks on the ground are, I believe, shingle that has been deposited in this location over a long period. I say 'I believe' as I have never actually been in this location. The photo was taken from an international flight.