"The Facts On File Dictionary of Earth Science contains more than 3,000 entries that explain, clearly and concisely, the most frequently used terms in Earth science. Given the constant and often unexpected changes in our global environment, the dictionary is an ideal resource for understanding how these events impact our planet and our lives.". "More than 100 line drawings illustrate many complex concepts, and extensive cross-references guarantee that no student, teacher, or Earth science professional will waste time searching for the right definition."--BOOK JACKET.