Earth, with geology dictionary pdf free download general exclusion of present-day life, flow within the ocean, and the atmosphere. The field of geology encompasses the composition, structure, physical properties, and history of Earth’s components, and the processes by which they are shaped.
1875 geological map of Europe, compiled by the Belgian geologist André Dumont. Colors indicate the distribution of different rock types across the continent, as they were known then. Ancient Greek γῆ, gē, i. Earth, the rocks of which it is composed, and the processes by which they change over time.
Geology describes the structure of the Earth beneath its surface, and the processes that have shaped that structure. It also provides tools to determine the relative and absolute ages of rocks found in a given location, and also to describe the histories of those rocks.