The sediment comes from eroded rocks carried there by rivers or ice, and from the skeletons of sea creatures. Metamorphic rocks close metamorphic rockMetamorphic rocks are those rocks which have ...

What FACTS ABOUT ROCKS do you know? They are abundant on earth, and yet little is known about them. These facts will increase your knowledge of the rocks.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Why don’t rocks burn? – Luke, age 4, New Market, ...

Think of it as recycled rock that has been pushed together to form a new material. Metamorphic rocks are also formed because of change in their environment - they are created by great heat or ...

The characteristics of the rocks that hold fossils can be as informative as the fossils themselves. There are three main types of rock: igneous rock, metamorphic rock, and sedimentary rock. Almost all ...

background information on the structure and forces affecting the Earth in relation to rock formation a more practical hand-specimen guide with examples of rock samples commonly found in the United ...

By Becky Nelson I have been a rockhound since I was old enough to pick up a pretty rock. My kitchen sink-shelf has several ...