Ocean of Knowledge
Tectonic Plates 01 Feb 2021 15 min read Tectonic Plates A tectonic plate (also called lithospheric plate) is a massive, irregularly-shaped slab of solid rock, generally composed of both continental and oceanic lithosphere. The lithosphere includes the crust and top mantle with its thickness range varying between 5-100 km in oceanic parts and about 200…
Pacific Ring of Fire 08 Feb 2021 11 min read The Ring of Fire, also referred to as the Circum-Pacific Belt, is a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes. It is largely a result of Plate Tectonics where massive Pacific Plate interacts with less-dense plates surrounding it. The majority…
Glaciers 15 Feb 2021 9 min read About A glacier is a large, perennial accumulation of crystalline ice, snow, rock, sediment, and water that originates on land and moves down slope under the influence of its own weight and gravity. They are sensitive indicators of changing climate. Out of total water on Earth, 2.1% is…
Deglaciation and Threats 22 Feb 2021 8 min read Deglaciation Glaciers, ice caps and continental ice sheets cover some 10% of the earth’s land surface at the present time, whereas during the ice ages, they covered about three times this amount The present ice cover corresponds to about three-quarter of the world’s total freshwater resources….
Rock Art (Part-1) 01 Mar 2021 10 min read About Rock Arts are ancient, human-made markings/paintings/sculptures made on natural stone. Rock art consists of paintings, drawings, engravings, stencils, prints, bas-relief carvings and figures in rock shelters and caves, on boulders and platforms. India houses one of the largest, richest and most diverse repositories of rock…
Rock Art (Part-2) 09 Mar 2021 14 min read Rock Art (Part-I) Rock-Cut Architecture About: The rock-cut architecture is a type of Rock Art in which a structure is created by carving it out of solid natural rock. Cave temples and monasteries are found in many parts of India, but the largest and most famous…
Dams and Destruction 16 Mar 2021 13 min read Introduction About: A dam is a structure built across a river or stream to hold back water. Over the centuries dams have been built using different materials. Ancient dam builders used natural materials such as rocks or clay while today most dams are built using concrete….
British Conquest for Bengal: Battles of Plassey and Buxar 12 Apr 2021 13 min read Bengal in the 17th-18th Century In Mughal Period: Bengal was the most fertile and the richest province of the Mughal Empire and included present day Bangladesh and states of Bihar and Odisha. The authoritative powers of the province lay in…
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Types of Forests in India 26 Apr 2021 12 min read Introduction Definition of Forest: At present, in India, there is no clear nationally-accepted definition of ‘forest’. States are responsible for determining their definition of forests. The prerogative of the states to define forests stems from a 1996 Supreme Court order called the T.N. Godavarman…
Reforms and Administration under Lord Curzon 10 May 2021 15 min read About Lord Curzon George Nathaniel Curzon (11 January, 1859- 20 March, 1925) born in Kedleston Hall, England was a British statesman and foreign secretary who during his terms in office played a major role in British policy making. Lord Curzon succeeded Lord Elgin…