Using Rocks
Geography: KS3, topic 2.1.3
Using Rocks
Different types of rock are used for different purposes.
Igneous rocks
- Granite is used as kerbstones and in kitchen worktops because it is extremely durable.
- Basalt is often crushed and used as a base for making roads.
Sedimentary rocks
- Limestone can be used as building blocks or to produce cement.
- Limestone is easily quarried.
- Some limestones are softer and easy to carve.
- Gritstone is used to make grinding wheels as it is very abrasive.
Metamorphic rocks
- Slate is used on roofs as it is easy to split, durable and impermeable (water does not pass through it).
Test yourself on Using Rocks
Why is granite often used to make kitchen worktops?
Why is slate used to make roof tiles?