Gobekli Ruins Explained

I humbly believe the ruins you mentioned are antediluvian, the main reason it was covered with mud. It was the flood of Noah's day that did the work.

The same fate happened to Thiauanaco in Bolivia, Machu Picchu in Peru, and Osiris & the pyramids in Egypt. This may also explain the 7 large cities submerged underwater around the globe.