There are lots of types of rock and each type has different properties and uses. For example, some are strong and hard but others are soft and sandy. Some rocks are harder than others. For example ...

There are three main types of rock: igneous rock ... which generally destroys any fossils that were in the rock before it was metamorphosed. For example, marble is created when limestone is ...

Ask them if they have seen any other similar rock outcrops. Caution: Keep in mind that geologic structures may show evidence of more than one type of deformation. 5. Now tell students they are ...

The rock layers themselves along this fault line are a mixture of different types of rocks. The region the researchers ...