JUNIOR GEOLOGIST Discovering rocks Minerals and Gems S TAMORPHIC WL JUDY MONROE PETERSON Britannica Educational Publishing IN ASSOCIATION WITH ROSEN EDUCATIONAL SERVICES
CHANGED ROCK Rocks are hard materials made up of one or more minerals Metamorphic rocks are one of the three basic types of rock found on Earth The other two types are sedimentary and igneous Metamorphic rock forms from old igneous or sedimentary rock or other metamorphic rock Very high heat and great pressure Pressure is a weight or force that pushes down heavily on something It is caused by gravity Vocabulary Rocks make up Earth’s land surface The three main types from left to right are igneous metamorphic and sedimentary 4
What Are Metamorphic Rocks?
This resource explains metamorphic rocks, the different ways in which they are formed, and how they change into different metamorphic rocks.
About This Book
By: Judy Monroe Peterson
Illustrated by:
Published by: Rosen Publishing provided by Britannica
