9th July 2012, 09:55 PM
Dino gave that in reply to my fulacht fiadh suggestion. I'd be pretty sure that's not the type of pit being discussed on this thread since they are usually full to the uxters with nothing but charcoal and fire shattered stones, occasional layer of thin layer of silt in them. Very easily identified, charcoal all over the shop, can't imagine any amount of bioturbation would manage to change that.