After reading this article you will learn about:- 1. Definition of Fold 2. Parts of a Fold 3. Types 4. Recognition 5. Engineering Considerations. Definition of Fold: It is frequently seen that the strata forming the earth’s crust have been not only tilted out of the horizontal but also bent and buckled into folds. Such […]
Folds: Definition, Parts and Types| Structural Geology | Geology
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Example on Borehole (With Problem) | Structural Geology | Geology
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This article provides an example to illustrate and explain the problem on borehole. Three boreholes are sunk at 3 points of an equilateral triangle whose sides are 480 m each. Is West of Q and R is North of midpoint PQ. Boreholes and R-reach the upper surface of a rich coal seam at 100 m, […]
Igneous Rocks: Formation, Textures and Uses | Petrology
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After reading this article you will learn about:- 1. Formation of Igneous Rocks 2. Classification of Igneous Rocks 3. Forms 4. Textures 5. Engineering Uses. Formation of Igneous Rocks: Igneous rocks are formed by the solidification of magma or lava. At about a depth of 40 kilometres in the earth, the rocks are believed to […]