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Geology (from Ancient Greek γῆ (gê) 'earth', and λoγία 'study of, discourse') is a branch of natural science concerned with the Earth and other astronomical objects, the rocks of which they are composed, and the processes by which they change over time.
- Structural Geology
Structural geology is the study of the three-dimensional...
- Portal:Geology
The Geology Portal. Geology (from Ancient Greek γῆ (gê)...
- Structural Geology
In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition , and the way in which it is formed.
Geology is the study of the nonliving things that the Earth is made of. Geology is the study of rocks in the Earth's crust. People who study geology are called geologists. Some geologists study minerals (mineralogist) and the useful substances the rocks contain such as ores and fossil fuels. Geologists also study the history of the Earth.
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For broader coverage of this topic, see History of Earth. The geological history of the Earth follows the major geological events in Earth's past based on the geological time scale, a system of chronological measurement based on the study of the planet's rock layers ( stratigraphy ).
