By Capt. Paul (Eclogite) on Monday, March 9, 2015 - 09:02 pm:
Easy!
The material on top is more resistant to erosion than what is around it, thus you get stems. It's basically the same process that forms hoodoos in places such as Bryce Canyon and elsewhere on the Colorado Plateau.
By Just me (Jaby) on Thursday, March 12, 2015 - 10:28 am:
oh my goodness-these are WONDERFUL pics!!!!!I
especially love the first one but all are simply
awesome!