Continental Drift Theory by Alfred Wegener

Continental drift theory by Alfred Wegener (1912) is regarded as the source of most ideas which lead to formation of plate tectonic theory. Wegener was a climatologist. He found fossils of those animals in a climatic region where they should not be. For instance, if you find fossils of penguins (which live in cold climate) … Read more

Interior of the Earth: Structure and Composition

Based on the evidences of Earth, the scientist has formed a largely uniform opinion about interior of the earth which is as follows: Earth’s interior has three major layers having different composition, density and state. These layers are 1) Crust; 2) Mantle and 3) Core 1. Crust Crust extends to about 5-30 km in case … Read more

Evidences of Interior of the Earth

Since we can not directly observe the interior of the earth, we have to depend upon the evidences of interior of the earth. Scientists have always wondered about the structure, composition, temperature and the state of matter in the interior of the earth. The deepest borewell in the history of human beings is Kola Superdeep … Read more

Definition, Nature and Scope of Geomorphology

What is Geomorphology? Geomorphology is a combination of three words i.e. geo (earth or land) + morphous (shape or form) + logus (study). Combined, this means that geomorphology is the study of different kinds of landforms on the surface of the earth. It also explains the origin of these landforms and rate of change in … Read more