Classification of Rocks: 3 Types
After reading this article you will learn about the three types of rocks. The types are: 1. Igneous Rocks 2. Sedimentary Rocks 3. Metamorphic Rocks. 1. Igneous Rocks: The earth cooled down some 4600 million years ago to form molten silicate material called magma that contained varying amounts of water and highly reactive fluids. The magma rapidly cooled down at [...]