List of main volcanoes in the world (For UPSC and other exams) Volcanos are landforms created by the accumulation of solidified lava and volcanic detritus from the earth’s crust. The list of main volcanos in the world and their features are given in the table. (for details about volcanoes- Must Read more…
Volcanoes: Definition, Types, & Facts Volcanoes referred to landforms created by the accumulation of solidified lava and volcanic detritus near the vent. In simple words, a volcano is a rupture in the crust of a planetary-mass object, like Earth, by which hot lava, gases, and volcanic ash escape from the Read more…
Continental Drift Theory Continental Drift Theory: Abraham Ortelius first put forward the speculation that the continent might have ‘drifted’ in 1596. The first comprehensive and fully developed Continental Drift Theory was proposed by a German meteorologist, Alfred Wegener in 1912. Alfred Wegener was the first person who used the phrase Read more…
Metamorphic rocks – Types and Characteristics Introduction: Metamorphic rocks are formed by the transformation of pre-existing rocks (igneous, sedimentary) to a new type of rock and then followed by the process called metamorphism. The pre-existing rock is subjected to high temperatures (greater than 150 to 200 °C), and high pressure, Read more…
Sedimentary rocks Sedimentary rocks are a type of rock formed by the accumulation or deposition of organic particles or minerals and their consolidation at the earth’s surface. The whole process of formation of these rocks is called sedimentation. Types of Sedimentary Rocks These rocks are of the following types: Argillaceous Read more…
The Rocks- Igneous Rocks: Introduction: Rocks are naturally occurring solid masses. These are aggregates of minerals like feldspars, micas, amphiboles, pyroxenes, olivine, quartz, calcite, dolomite, clays, and gypsum. Some rocks also contain mineraloids, which are rigid, mineral-like substances, like volcanic glass, lacking crystalline structure. Rocks form the outer solid layer, Read more…
Indian Independence Act of 1947 (For UPSC) Clement Attlee, the prime minister of Britain declared on 20 Feb 1947, that British rule will end in India by 30 June 1948 and the power would be transferred to Indians. On the third of June 1947, the British government made clear that Read more…
List of Important Wildlife Sanctuaries of India Wildlife Sanctuary? Wildlife Sanctuary is an area comprised of any reserve forest or territorial waters that can be notified by the State Government to constitute a sanctuary if such an area is of adequate ecological, faunal, floral, geomorphological, and natural or zoological significance, Read more…
Lakes of India What are Lakes? Lakes are static bodies of water that are surrounded by land on all sides. They vary in size and depth. Which is the largest lake in the world? The Caspian Sea (The largest inland water body) is the world’s largest lake, followed by the Read more…
What are Biosphere reserves? Biosphere reserves are ‘learning places for sustainable development. They provide support in research and analysis of issues of conservation of sustainable development. They are sites for testing interdisciplinary approaches to understanding and managing changes and interactions between social and ecological systems. Biosphere reserves include the prevention Read more…
