Bag om A Geological Excursion In The Grand Canyon District (1909)
""A Geological Excursion In The Grand Canyon District"" is a book written by Douglas Wilson Johnson in 1909. The book is a comprehensive guide to the geology of the Grand Canyon District, located in Arizona, United States. The author, a geologist and professor at the University of Minnesota, provides a detailed description of the geological formations, history, and processes that shaped the Grand Canyon. The book is divided into six chapters, each covering a different aspect of the canyon's geology. The first chapter provides an overview of the canyon's history, including its formation and the various geological events that occurred over millions of years. The second chapter focuses on the rocks and minerals found in the canyon, including their composition and how they were formed. The third chapter is dedicated to the fossils found in the canyon and what they reveal about the area's ancient ecosystems. The fourth chapter covers the various geologic structures found in the canyon, including faults, folds, and unconformities. The fifth chapter discusses the processes that continue to shape the canyon, such as erosion and weathering. The final chapter provides a guide to exploring the canyon and includes information on hiking trails, campsites, and other practical considerations for visitors. Overall, ""A Geological Excursion In The Grand Canyon District"" is a valuable resource for anyone interested in the geology of the Grand Canyon. The book is written in a clear and accessible style, making it suitable for both professionals and lay readers. It is also accompanied by numerous illustrations and photographs that help to bring the canyon's geology to life.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.
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