What Is Geology?

Geology is a Greek word which means earth and logy means science. So geology is basically a science and knowledge solid matters of earth. To understand the facts and figures of earth is not an easy task, because our earth is not an unchanging mass but rather a dynamic body with a long and complex history.

The nature of earth, its history and different process that are taking place above and under the earth has been focus of studies from centuries. In geology we study the earth by direct observations on rocks which are possible either by bore hole method or by surface exposure method as well.

Geology is traditionally divided into two main branches, one is historical geology and other is physical geology.

Historical geology is mainly concerned with the origin and history of earth, and different kind of changes that are taking place on earth through time. Historical geology  helps to establish orderly chronological arrangements of the multitude of physical and biological changes that have occurred in the geologic past . Whereas Physical geology is concerned with different process that are taking place beneath and above the surface. The study of physical geology precedes the study of earth history. The late 19th century is regarded as birth of modern geology.