Thursday, April 10, 2014

Mudstone


We just learned about the igneous rock pumice.

Another type of sedimentary rock is called mudstone.

Just like the name sounds, mud stone is made from mud and clay that has collected over time, dried up and hardened to rock. It usually even still looks like mud that is dried, but it is a hard rock.
mudstone
(from: wikipedia - mudstone)


Kid Facts - Blast from the past: Time