Here is an essay on ‘The Himalayas’ especially written for school and college students. The fauna of Himalayan sub-region resemble of both the Oriental and Palaearctic regions. The animals such as Tiger, Leopard, Bear, Wild pig and Snow leopard are found on both sides of Himalaya in the Palaearctic and Oriental regions. It seems that these animals might have migrated [...]
In this article we will discuss about:- 1. Objectives of Thermal Contraction Theory 2. Mechanism of the Thermal Contraction Theory 3. Evaluation. Objectives of Thermal Contraction Theory: Jeffreys, a strong exponent of contraction theory, postulated his 'thermal contraction theory' to explain the origin and evolution of major reliefs of the earth's surface (continents, ocean basins, mountains, island arcs and festoons) [...]
In this article we will discuss about:- 1. Objective of Geosynclinal Orogen Theory 2. Base of the Geosynclinal Orogen Theory 3. Mechanism 4. Evaluation. Objective of Geosynclinal Orogen Theory: Famous German geologist Kober has presented a detailed and systematic description of the surface features of the earth in his book 'Der Bau der Erde'. His main objective was to establish [...]