This book investigates the fundamental principles governing the Earth's physical processes and structure. It aims to provide a comprehensive overview of geology, drawing on established scientific understanding and observational data. The text likely covers topics such as plate tectonics, rock formation, geological time, and the forces shaping the planet's surface.

As a textbook on physical geology, this work is likely regarded as a foundational resource for students and educators in the field. Its comprehensive scope suggests it aims to cover the core concepts necessary for a solid understanding of Earth science. The publication date indicates it would present established theories and data available up to the early 1990s.