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 ...

Igneous and metamorphic petrology is the study of rocks formed from molten material ... key findings from recent studies that explore the characteristics and transformations of minerals and ...

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 ...

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, ...