By Anne Marie Helmenstine, Ph.D., About.com Guide
Geology is the scientific study of the earth and the matter of which it is made.
Jon ZanderA B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Definition: geology is the scientific study of the earth and the matter of which it is made. It includes the study of volcanoes, rocks, minerals, gemstones, earthquakes, fossil fuels, metals, and tectonics. Geologists seek to understand how the earth was formed, the processes that affect it, its properties, and its structure.
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