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Sedimentary Rocks Holly Cefrey

Sedimentary Rocks

Holly Cefrey

Published January 9th 2007
ISBN : 9780823964659
Hardcover
24 pages
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 About the Book 

Did you know that the most common rocks on Earths surface are sedimentary rocks? Over millions of years, layers of sand, rock, mud, and shells build up to form sedimentary rocks. Layers of sediment have been building up in the Grand Canyon for 2MoreDid you know that the most common rocks on Earths surface are sedimentary rocks? Over millions of years, layers of sand, rock, mud, and shells build up to form sedimentary rocks. Layers of sediment have been building up in the Grand Canyon for 2 billion years! Readers will learn all about sedimentary rocks in this intriguing book.