formations (geology)

Looks at what fossils tell us about the Earth, how it was formed, and how it will continue to change in the future.

Describes the various animals, plants, and geological formations found in five North American deserts.

Discusses rock formations and explains the three types of rocks: sedimentary, metamorphic, and igneous. Also defines the terms weathering and erosion. Describes different rock formations including peaks, canyons, mesas and buttes, stacks, monadnocks, and cliffs. Includes a glossary of terms used in the book.