After reading this article you will learn about:- 1. Types of Unconformity 2. Field Evidences of Unconformities 3. Uses. Types of Unconformity: There are mainly three types of unconformity. They are: 1. Disconformity, 2. Angular unconformity, and 3. Nonconformity. 1. Disconformity: The rock beds on opposite sides of a disconformity are parallel as shown in […]
Unconformity in Rocks: Types and Uses | Structural Geology
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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. […]
Procedure for Drawing a Geological Section | Structural Geology
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The procedure of drawing a section consists of three steps: 1. Drawing a Topographic Profile 2. Determination of Dip and Strike 3. Construction of Geological Structures. Step # 1. Drawing a Topographic Profile: Suppose it is required to draw a topographic profile along a XY line on the geological map. The map is first folded […]