Learn how volcanoes and lava make igneous rocks, how heating and cooling caused by energy in the Earth's core creates metamorphic rocks, and how water and other elements break down rocks to create sedimentary rocks.
paleontology, obsession, and the greatest catastrophe in earth's history
Ward, Peter Douglas
2004
Examines the fate of the Gorgons, a little known prehistoric animal that ruled the world long before the Age of Dinosaurs, and speculates on the cataclysmic event that lead to their extinction more than 250 million years ago.
Provides an overview of the theory of plate tectonics, describing its origins, how it challenged prevailing views of the time, and how it became the basis for earth science.
Looks at what happens during a landslide, discusses the causes and effects of erosion and landslides, and examines some of the possible future consequences.