Some Geology Basics - Modesto Junior College

1 Some Geology Basics Geology (geo: earth , logos: knowledge or study of ) is the study of planet Earth. Geology is in many ways the most complex of sciences, as a complete understanding of the workings of the earth requires training in mathematics, chemistry, physics, biology, and astronomy. The study of the Earth brings mathematics, chemistry and physics alive. It provides the opportunity to test many hypothetical and theoretical principles in the real world as we observe chemical reactions in rocks, minerals, water and atmosphere, and physical reactions in earthquakes, landslides and volcanic eruptions.

5 Rock Identification Igneous rocks develop as molten magma cools and crystallizes, either deep underground (plutonic or intrusive igneous) or at the Earth’s surface (volcanic or extrusive). Plutonic rocks can be identified by their coarsely crystalline …

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