Mudcracks (left) and ripple marks (right) in rock of the Belt Supergroup. The mudcrack is about 20cm across; the ripple marks are roughly 1m across. (Image ID# belt-sedsrs-pic)
https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png00Marli Millerhttps://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.pngMarli Miller2014-10-01 04:41:482017-09-24 18:49:02Mudcracks and Ripple Marks