A must-read for anyone interested in the geological sciences, The Journal of Geology Volume 1923 features groundbreaking research and analysis from leading experts in the field. From studies of ancient rock formations to cutting-edge theories of plate tectonics, this volume provides a comprehensive overview of the state of the science in the early 20th century. Whether you're a student, a researcher, or simply fascinated by the natural world, this book will deepen your understanding and appreciation of the Earth. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.