The rocks can be classified into two main varieties, namely, Igneous rocks and Sedimentary rocks. But when these rocks are subjected to prolonged fluctuations of temperature and pressure, they are transformed to a new variety which is termed as Metamorphic rocks. 1. Igneous Rocks: A change of temperature caused the formation of igneous rocks. It […]
Classification of Rocks | Petrology | Geology
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Sedimentary Rocks: Formation, Classification and Uses | Petrology
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After reading this article you will learn about:- 1. Formation of Sedimentary Rocks 2. Classification of Sedimentary Rocks 3. Primary Structures 4. Engineering Uses. Formation of Sedimentary Rocks: The process of formation of sedimentary rocks is as follows: (i) Erosion of the existing rocks, (ii) Transportation of the eroded material, and (iii) Deposition of transported […]
Joints: Definition, Classification and Consideration | Geology
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After reading this article you will learn about:- 1. Definition of Joint 2. Classification of Joints 3. Engineering Consideration. Definition of Joint: Joints are cracks or fracture present in the rocks along which there has been no displacement. Joints occur in all types of rocks. They may be vertical, inclines or even horizontal. Their dip […]