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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization... Read More >>
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TRANSLATORS PREFACE - The need of a short presentation of the fundamental principles of petrology as applied to... Read More >>
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization... Read More >>
Whether formed deep underground or created following a volcanic eruption, igneous rocks earn their nickname as fire... Read More >>
Igneous rocks, sedimentary rocks, and metamorphic rocks make up the three main types of rocks and are constantly... Read More >>
Guess which prehistoric creature each of the eight colourful close-ups belongs to, then turn the page for the answer... Read More >>
Tumbled Stones Coloring Books follow the Tumbled Stone Picture Books series. The pictures to color are right out... Read More >>
About 250 million years ago, the first dinosaurs began to roam Earth. Join your friendly prehistoric fish-guide... Read More >>
"""Learn all about the ancient animals known as mammoths and mastodons, from how they lived to how they are related... Read More >>
"""Learn all about the ancient animals known as saber-toothed cats, from what they ate to how they are related to... Read More >>
""Learn all about the ancient animals known as saber-toothed cats, from what they ate to how they are related to... Read More >>
Heat and energy impacts all life on our planet. Energy from the sun helps plants grow and makes it possible for... Read More >>
Introduces sedimentary rocks, which are like time capsules in that each layer contains clues about what life was... Read More >>
The amphibole group is extremely important, widespread, and beautiful, with a structure that can accommodate a bewildering... Read More >>
