JUNIOR GEOLOGIST Discovering rocks Minerals and Gems IHAT ARE SEDMENTARY JENNIFER CULP Britannica Educational Publishing IN ASSOCIATION WITH ROSEN EDUCATIONAL SERVICES
SURFACE ROCK Earth is made of three different types of rock igneous metamorphic and sedimentary Earth’s crust is made mostly of igneous and metamorphic rocks Sedimentary rock lies on top of the crust forming most of Earth’s surface Sedimentary rocks are formed of tiny particles of minerals sand dirt mud and even little bits of animal matter such as bone and the shells of dead sea creatures These particles are moved by weather Tiny particles of sediment add up to form mighty rock structures like this one displaying several different layers deposited over many years 4
What Are Sedimentary Rocks?
An introduction to a physical feature of the environment that tells us about the Earths geological history and the shape of things to come.
About This Book
By: Jennifer Culp
Illustrated by:
Published by: Rosen Publishing provided by Britannica
