Notes and Study material for Exams
Three Geological divisions: The peninsular block The Himalayas and other Peninsular Mountains Indo-Ganga-Brahmaputra Plain Peninsualar block is made of gneisses (metamorphic) and granites (igneous). Six physiographic divisions: The Northern and North-eastern Mountains The Northern Plain The Peninsular Plateau The Indian Desert The Coastal Plains The Islands Northern and North-Eastern Mountains Approximate length of … Read more
Understanding Landslides: Causes, Consequences, and Prevention Landslides, also known as slope failures, are a common and often devastating natural hazard. They occur when a mass of rock, soil, or debris moves downhill under the influence of gravity. These events can range in size from small, localized slumps to massive, catastrophic flows that can bury entire … Read more
Faulting and the Rise of Fault Mountains: A Journey into Earth’s Dynamic Landscape The Earth’s surface is not a static entity. It is a dynamic system constantly reshaped by the relentless forces within its core. One of the most dramatic and visible manifestations of this dynamism is faulting, a process that fractures the Earth’s crust … Read more
Orogenic or the mountain-forming movements act tangentially to the earth surface, as in Plate tectonics. Tensions produces fissures (since this type of force acts away from a point in two directions) and compression produces folds (because this type of force acts towards a point from two or more directions). In the Landforms so produced, … Read more
The Unseen Threat: A Deep Dive into Sinkholes Sinkholes, those dramatic and often sudden collapses of the Earth’s surface, are a fascinating and sometimes frightening phenomenon. They can range in size from a few feet to hundreds of acres, and their formation can be gradual or catastrophic. While often associated with dramatic events like the … Read more
The Genesis of Our World: A Journey Through Earth’s Origin and Evolution The Earth, our home, is a dynamic and complex planet with a rich history spanning billions of years. Its formation and evolution are intertwined with the birth and evolution of the solar system itself, a story that begins with the collapse of a … Read more