
and this close up shows the reason why I was there...

Max
The panhandle does continue quite a bit but eventually disappears in deep sea before hitting the mainland I think. Some of the maps here show this:
Thank's to Andreas map (Lofos-5) I believe that the rocks on my pics belong to the Mamonia volcanics. In one large rock next to it, I found also layers of fossilized wood... here a photo from it.