Chalk, limestone, shale, and sandstone are all examples of sedimentary rocks. All these different sedimentary rocks are formed from the broken remains of other rocks that become joined together.

Formed from white and red sandstone, its horizontal sedimentary stripes feature heavily. Some folks say they see a face in ...

The Coconino Sandstone layer was deposited not by the ... and corals. These layers of sedimentary rock were deposited in Cambrian time, when another shallow sea covered this region.