Geoscience or Earth science refers to the study of planet Earth and its atmosphere. It studies physical and geological characteristics of the earth. Geoscience encompasses the study of the lithosphere, hydrosphere, biosphere and the atmosphere. It builds on the scientific fields of geography, chronology, physics, chemistry, etc. to develop a comprehensive understanding of the earth and its properties. This book presents the theories and concepts related to geoscience in a comprehensive manner, highlighting the significance of the instruments and techniques used in this field. It attempts to understand the multiple branches that fall under the discipline of geoscience and how such concepts have practical applications. Those in search of information to further their knowledge will be greatly assisted by this book.