Monday Geology Picture: Mud Cracks Evelyn Mervine Monday Geology Picture, mud 6th Jul 2015 1 Minutes Mud cracks, with foot for scale, southern Africa, June 2015. For this week’s Monday Geology Picture, here’s a picture of some impressive mud cracks that I saw during a recent hike. Share this:TwitterFacebookLike Loading... Related Published by Evelyn Mervine View all posts by Evelyn Mervine Published 6th Jul 2015