This article will help you to learn about the rock cycle with diagram. The change of one rock into another type under different conditions of heat, pressure, weathering and erosion is known as rock cycle. Initially, all minerals originated from igneous rocks. As soon as igneous rocks are exposed they are weathered and eroded by […]
Rock Cycle: With Diagram | Petrology | Geology
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Classification of Rocks | Petrology | Geology
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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 […]
Metamorphic Rocks: Classification, Structures and Uses | Petrology
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After reading this article you will learn about:- 1. Classification of Metamorphic Rocks 2. Structures in Metamorphic Rocks 3. Engineering Uses. Classification of Metamorphic Rocks: 1. Metamorphic rocks may be classified on the basis of foliation into two types. They are: (a) Foliated rocks: This group includes the rock that can split into thin sheets. […]