Rock Explorer: Rocks

Descriere

Did you know there are three different kinds of rock - igneous, sedimentary and metamorphic? Find what our earth is made of and what processes make it a constantly changing environment, in this fun introduction to geology. From how rocks form and their distinguishing features, to whether they are valuable to scarce and where to find them, this accessible guide is full of fascinating facts to uncover, revealing the secrets of the past.